Search Results: "math antics - scientific notation"

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03:54 Popular
What's The Best Soup Can Size? The Optimal Cylinder Puzzle

800 views / 0 likes - added 7 years ago

A cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h
08:44
What is a Singularity, Exactly?

672 views / 1 likes - added 6 years ago

What is a Singularity? Find out what black holes have to do with the AI explosion. Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and computer science videos every week! *SUBSCRIBE TO UP AND ATOM* https://www.youtube.com/c/upandatom A big th
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Dashes | Punctuation | Khan Academy

518 views / 0 likes - added 6 years ago

Dashes are like little actors—they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introduction-to-the-
11:48 Popular
Top 10 Amazing Ideas Scrapped By Pixar

743 views / 2 likes - added 6 years ago

Pixar is an animation powerhouse: we love to watch their imaginative storylines and hilarious characters. Ideas, characters and stories get changed all the time, here are a few examples! Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https:/
05:10 Popular
Prepositions Of Space | Prepositions | The Parts Of Speech | Grammar

1,117 views / 0 likes - added 8 years ago

Some prepositions help describe relationships between objects and their locations in space. David explains how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the nex
05:16 Popular
Prepositions Of Time | Prepositions | The Parts Of Speech | Grammar

1,318 views / 0 likes - added 8 years ago

Some prepositions help describe moments in time. Learn more and enhance your powers of time wizardry! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the next lesson:
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This map of a Grand-Canyon-sized chasm off California took 15 years to create

440 views / 1 likes - added 3 years ago

Just offshore from the small town of Moss Landing, Calif.once an important West Coast fishing hub and now a center of oceanographic researchstretches one of the countrys most magnificent but little-known geologic features: Monterey Canyon. Please visit ou
07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

945 views / 0 likes - added 6 years ago

A worked example using Le Chatelier's principle to predict how concentrations will shift for different perturbations. Example includes changes in reaction vessel volume, changing amount of solid product, adding inert gas, and adding a catalyst. Chemistry
07:40 Popular
Can You Solve The 21 Flags Game From Survivor?

891 views / 1 likes - added 7 years ago

Contestants on the TV show "Survivor" faced off in a series of challenges for a grand prize of $1 million. Most of the challenges were physical like hiking many miles or diving underwater. But one challenge was mathematical. The game had 21 flags and cont
03:43 Popular
BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

854 views / 0 likes - added 6 years ago

David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm
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What is a sentence? | Syntax | Khan Academy

568 views / 0 likes - added 6 years ago

A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:
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BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

467 views / 0 likes - added 6 years ago

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a
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The 10 Weirdest Things in the Solar System

600 views / 0 likes - added 7 years ago

Pierogi moons, rubber duckie comets and spewing ice balls: We have some very strange neighbors among the myriad planets, moons and objects that circle our sun. Scientific American editors Lee Billings and Michael Lemonick pick the pasta shaped moons Pan a
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Using quotation marks in titles | Punctuation | Khan Academy

568 views / 0 likes - added 6 years ago

Learn how to use quotation marks to title things like poems, songs, and episodes of TV shows. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-quotes/ Watch the next lesson:
05:23 Popular
Is Telekinesis Real? - Emma Bryce

2,493 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/is-telekinesis-real-emma-bryce Telekinesis, the ability to manipulate matter with the mind alone, is a trait exhibited by some of the most iconic fictional characters, including Neo, Yoda, and, of course, Carrie
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01:00 Popular
Jupiter's Red Spot Is Red Hot

904 views / 2 likes - added 7 years ago

What Jupiter’s spot is not, is tranquil. New infrared images taken by Boston University scientists on a NASA telescope in Hawaii show that whereas Jupiter’s north and south poles are heated by strong magnetic fields, its large, stormy red spot generates i
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"The Hypercube: Projections and Slicing" 1978 Award-winning computer animation

112 views / 0 likes - added 1 year ago

"The Hypercube: Projections and Slicing" 1978 Award-winning computer animation. Fantastic tutorial of how to visualize hypercubes.I cleaned up the audio. Original was BETAMAX. Copied from web."The Hypercube: Projections and Slicing"by Thomas Banchoff and
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Three Incorrect Laws of Motion

371 views / 0 likes - added 3 years ago

Newton's Three Laws of Motion are a landmark achievement in physics. They describe how all objects move. Unfortunately most people do not really understand Newton's Laws because they have pre-existing ideas about the way the world works. This film is abou
01:32 Popular
Easy Puzzle - But can you solve it?

1,429 views / 0 likes - added 7 years ago

Solve this puzzle by cutting the piece of wood into two pieces. Both pieces must fit exactly into the hole. Can you solve this easy puzzle? Watch the video and find out. My name is Chris and my passion is to teach math. Learning should never be a struggle
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Three ways to end a sentence | Punctuation | Khan Academy

588 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a
03:29 Popular
Mind blowing brain teaser - Folding paper to the moon

922 views / 1 likes - added 7 years ago

Can you solve this mind blowing brain teaser? How many times can you fold a piece a paper before it reaches the moon? Find out the solution in this brain teaser in this video. My name is Chris and my passion is to teach math. Learning should never be a st
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Visualizing The Medical Data Explosion - Anders Ynnerman

624 views / 0 likes - added 8 years ago

Today medical scans produce thousands of images and terabytes of data for a single patient in mere seconds, but how do doctors parse this information and determine what's useful? In this talk, scientific visualization expert Anders Ynnerman shows us sophi
03:02 Popular
Can you solve the never ending square root?

3,006 views / 0 likes - added 7 years ago

This never ending square root can actually be solve using basic alegra. Find the exact value of this never square root. This problem is much easier than it looks. My name is Chris and my passion is to teach math. Learning should never be a struggle which
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Teaching metric measurements suggestion --- length. // Homemade Science with Bruce Yeany

600 views / 0 likes - added 4 years ago

Actively learning physical science requires that students be able to collect data for analysis, being able to measure correctly is an important step in that process. Since the international system of measurements (metric system) is almost universally the
09:50 Popular
Can You Solve This 6th Grade Geometry Problem From China?

1,263 views / 1 likes - added 7 years ago

What is the total area of the red spots? The diagram involves a rectangle with dimensions of 10 and 20. Inside the rectangle one of its diagonals is connected. There are two circles of equal size that are tangent to each other and the rectangle. The video
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02:46 Popular
Introduction to Grammar | Grammar | Khan Academy

970 views / 0 likes - added 6 years ago

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa
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Parentheses | Punctuation | Khan Academy

412 views / 0 likes - added 6 years ago

Parentheses set off extra information (such as a writer's remarks, an interruption, or a reference) from the rest of a sentence. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneo
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If a tree falls in the forest and no one is there to hear it, does it make a sound?

682 views / 0 likes - added 5 years ago

Answering the age old philosophical question, if a tree falls in the forest and no one is there to hear it, does it make a sound? Check out the video we did over on Alie's channel! https://youtu.be/lf1wPcF-fXw Subscribe to NeuroTransmissions! https://www.
08:13
Inside the Lab Where Robots Run Their Own Experiments

285 views / 0 likes - added 3 years ago

Recent breakthroughs in automation and active machine learning are taking laboratory science to the next level. What will the laboratories of the future look like? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Point | https://bit.ly/
18:25 Popular
The SAT Question Everyone Got Wrong

1,671 views / 3 likes - added 6 months ago

How an SAT question became a mathematical paradox. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.I invented Snatoms, a molecule modeling kit where the atoms sn
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10:15
17 FAST MATHS TRICKS YOU MUST KNOW

469 views / 0 likes - added 6 years ago

Wanna be a Math genius? Check out these tricks! They're garanteed to upgrade your Math skills and bring you on another level! ;) Subscribe to 5-Minute Crafts GIRLY: https://goo.gl/fWbJqz Subscribe to 5-Minute Workouts: https://goo.gl/67owiQ 5-Minute Craft
02:06 Popular
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

3,484 views / 0 likes - added 7 years ago

Can you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7-segment numbers (the block
00:57 Popular
How Do You Multiply Numbers in Brackets?

1,272 views / 0 likes - added 5 years ago

How Do You Multiply Numbers in Brackets?. Part of the series: Math Help With Multiplying. Multiplying numbers in brackets requires a very specific procedure. Multiply numbers in brackets with help from a mathematics educator in this free video clip. Read
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Searching for Life at the Bottom of the Arctic

575 views / 0 likes - added 7 years ago

Creatures living among the hydrothermal vents burbling under the Arctic Ocean's ice layer have been historically difficult to study, but an underwater vehicle, the Nereid Under Ice, can get close to the vents to peek in at the animals and their homes with
10:42 Popular
Top 10 Puzzles Only The Smartest 2% Can Solve

1,596 views / 1 likes - added 5 years ago

These amazing top 10 puzzles are the best way to challenge and grow your mind to become smarter than you are. There are also few riddles and some tricky brain teasers which only 2% of the people were able to solve. So, it's a great chance to see if you ar
04:30 Popular
How Much Tea Would it Take to Turn the Boston Harbor into Tea?

900 views / 1 likes - added 5 years ago

We wanted to know if enough tea was dumped in Boston harbor during the Boston tea party to turn the entire thing to tea. So we did some math. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSR
09:52
The real experiments that inspired Frankenstein

420 views / 0 likes - added 5 years ago

When Mary Shelley published her iconic novel in 1818, raising the dead seemed to be the near-future. Join the Video Lab! http://bit.ly/video-lab Mary Shelley’s Frankenstein has been reimagined onscreen hundreds of times and is a staple of pop culture. The
02:20 Popular
How to Solve Sine & Cosine Equations

1,706 views / 0 likes - added 5 years ago

How to Solve Sine & Cosine Equations. Part of the series: Equations. Sine and cosine equations need to be solved in a very specific way. Learn how to solve sine and cosine equations with help from an experienced math tutor in this free video clip. Read mo
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A Miraculous Proof (Ptolemy's Theorem) - Numberphile

299 views / 0 likes - added 3 years ago

Featuring Zvezdelina Stankova... Want more? Part 2 (bringing in Pentagons and the Golden Ratio) is at: https://youtu.be/o3QBgkQi_HAMore links & stuff in full description below Zvezda's Numberphile playlist: http://bit.ly/zvezda_videosZvezda's webpage: htt
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Can Machines Be Conscious?

510 views / 0 likes - added 6 years ago

Can machines be conscious? What is exactly is consciousness? In this video, we'll take dive into the possibilities of artificial consciousness and what it means for the future of AI and humanity. Hi! I'm Jade. Subscribe to Up and Atom for new physics, mat
07:09 Popular
How Close Are We to Downloading the Human Brain?

1,052 views / 0 likes - added 5 years ago

Downloading your brain may seem like science fiction, but some neuroscientists think it's not only possible, but that we’ve already started down a path to one day make it a reality. So, how close are we to downloading a human brain? How Close Are We to Fu
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Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

608 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
08:20 Popular
Resonance Experiment! (Full Version - With Tones)

710 views / 1 likes - added 8 years ago

WARNING: Please lower your volume. The audio in this clip could cause hearing damage. Add me on Facebook - (click LIKE on Facebook to add me) http://www.facebook.com/brusspup Original edited video with music: http://www.youtube.com/watch?v=wvJAgrUBF4w Thi
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Lattice Multiplication

473 views / 0 likes - added 3 years ago

This math video tutorial provides a basic introduction into lattice multiplication - another way of multiplying two numbers! Subscribe: https://www.youtube.com/channel/UCEWpbFLzoYGPfuWUMFPSaoA?sub_confirmation=1 Access to Premium Videos: https://www.patre
05:07 Popular
Complex sentences | Syntax | Khan Academy

779 views / 0 likes - added 6 years ago

Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple
03:50
Adjectives and commas | Adjectives | Khan Academy

700 views / 1 likes - added 6 years ago

When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-
01:27 Popular
The Easiest Brain Teaser that will rack your brain

926 views / 0 likes - added 7 years ago

This is the easiest brain teaser that will rack your brain. 5 people can build 5 houses in 5 days. How long will it take 100 people to build 100 houses? My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I m
04:55 Popular
Solve the right triangle - Trigonometry Brain Teaser

1,697 views / 0 likes - added 7 years ago

A square is inside of a right triangle. The length of each side of the triangle is 3-4-5. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne
03:04 Popular
Trick Question - Find the missing dollar

758 views / 1 likes - added 7 years ago

Trick question! Three friends are overcharged for their hotel room. The hotel decides to refund the difference. After the hotel issues the refund one dollar has mysteriously disappeared. Where is the missing dollar? Find the solution to this trick questio
01:36 Popular
Are you smart enough to solve this simple brain teaser?

775 views / 0 likes - added 7 years ago

This simple brain teaser is not so easy. A virus is doubling every singe day. On the 67th day the virus has reached its max population. When will the virus reach half of its max population. My name is Chris and my passion is to teach math. Learning should
1:08:50
Richard Feynman: Fun to imagine bbc

692 views / 0 likes - added 8 years ago

Richard Feynman was one of the greatest physicists in the world and a great communicator. His view on how he imagines things and his excitement for physics is really amazing. He had a special ability to explain complex scientific facts in simple ways anyo
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Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

565 views / 0 likes - added 6 years ago

Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch
01:07 Popular
The Easiest Brain Teaser You Might Get Wrong

944 views / 4 likes - added 7 years ago

Try and solve the easiest brain teaser you might get wrong. The chicken costs $1.00 more than the egg, and together they cost a total of $1.06. How much does the egg cost? My name is Chris and my passion is to teach math. Learning should never be a strugg
01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

512 views / 0 likes - added 6 years ago

Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha
04:35
Why you shouldn't trust successful people's advice

537 views / 0 likes - added 8 years ago

Sources for scientific journals are provided below. New videos come out every Sunday so subscribe for more videos. Visit my Facebook page for more bite sized tips and psychology information https://www.facebook.com/BiteSizePsych Also, if you like the musi
07:57
Sounds of Survival | bioGraphic

610 views / 0 likes - added 5 years ago

Deep in the emerald cloud forests of Cusuco National Park of Honduras, scientists are on a quest to record the never-before-heard call of the endangered “exquisite spike-thumb frog” (Plectrohyla exquisita). What ensues is both a delightful por
04:27 Popular
The Hidden Worlds Within Natural History Museums - Joshua Drew

906 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-hidden-worlds-within-natural-history-museums-joshua-drew When you think of natural history museums, you might picture exhibits filled with ancient lifeless things, like dinosaurs or meteorites. But behind th
02:31
Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

533 views / 1 likes - added 6 years ago

David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe
07:36
Secrets of Sesame Street Songwriting (Featuring Usher) | NYT

401 views / 0 likes - added 4 years ago

Sesame Street has been teaching the ABCs for 50 years with music. Elmo, Usher and the writing team tell us how they create some of the best-known songs in educational media.Subscribe: http://bit.ly/U8Ys7nMore from The New York Times Video: http://nytimes.
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How To Calculate The Sales Price After Discount

284 views / 0 likes - added 3 years ago

This math video tutorial explains how to calculate the sales price after a discount is applied.My Website: https://www.video-tutor.netPatreon: https://www.patreon.com/MathScienceTutorAmazon Store: https://www.amazon.com/shop/theorganicchemistrytutor
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

941 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
06:18 Popular
Can You Solve The Diluted Wine Puzzle?

766 views / 1 likes - added 7 years ago

A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it
07:52
Why we have blind spots and how to see inside your own eye!

377 views / 0 likes - added 4 years ago

I've made a lot of videos about juggling (and will continue to!) as well as minecraft. This is the first video I've made about a passion of mine that's larger than the other two combined - science! I hope to create videos which explain scientific phenomen
07:25 Popular
Algebra Word Problem - Factoring

1,708 views / 0 likes - added 7 years ago

Learn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.
10:09 Popular
How Close Are We to a Complete Map of the Human Brain?

886 views / 0 likes - added 5 years ago

If we could fully map the inner workings of our brain, we could understand disease, consciousness, and what it is that makes us human. Only catch? There are more connections in the human brain than there are stars in the Milky Way. So, how close are we to
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Molecular Visualizations of DNA - Original High Quality Version

613 views / 0 likes - added 5 years ago

These DNA molecular visualizations were created for the multifaceted 'DNA' project, celebrating the 50th anniversary in 2003 of the discovery of the double helix. The 'DNA' project includes a five-part documentary series, museum film and 'DNAi' online res
15:45
How do Spacecraft Photograph the Planets & get the Images Back to Earth?

376 views / 1 likes - added 4 years ago

https://brilliant.org/CuriousDroidEver wondered how we can take those amazing images of the planets from spacecraft and get them back to earth for scientific study and just to see what they really look like. Well in this video we do just that and see how
01:34 Popular
What Happens When a Fraction Is Multiplied by Its Reciprocal?

866 views / 0 likes - added 5 years ago

What Happens When a Fraction Is Multiplied by Its Reciprocal?. Part of the series: Math Help With Multiplying. When a fraction is multiplied by its reciprocal a very specific thing occurs. Learn what happens when a fraction is multiplied by its reciprocal
10:12 Popular
21-card trick - Numberphile

985 views / 0 likes - added 5 years ago

A simple trick with some neat math behind it. More on Numberphile cards at: http://www.bradyharanblog.com/numberphile-playing-cards More links & stuff in full description below ↓↓↓ More cards video: http://bit.ly/Cards_Shuffling This vi
03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy

827 views / 0 likes - added 6 years ago

Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t
59:45
The Interactional 'Nudge' - Talking About Talk

475 views / 0 likes - added 8 years ago

Elizabeth Stokoe shows how conversation analysis works to provide a scientific understanding of talk, and how it can be harnessed to make people do what you want. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the Q&A here: https://
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Easy algebra word problem - But can you solve it?

1,446 views / 0 likes - added 7 years ago

Two workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy

1,285 views / 0 likes - added 6 years ago

Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat
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Subject-verb agreement | Syntax | Khan Academy

632 views / 0 likes - added 6 years ago

Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc
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How Nancy Pelosi Became the Most Powerful Woman in U.S. Politics | NYT News

470 views / 0 likes - added 5 years ago

For more than 15 years, Representative Nancy Pelosi has been a powerhouse fund-raiser for her party and a lightning rod for the right. Here’s how she’s done it. Subscribe: http://bit.ly/U8Ys7n More from The New York Times Video: http://nytimes.com/video -
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Four Steps to Solve a Absolute Value Equation

1,061 views / 0 likes - added 5 years ago

Four Steps to Solve a Absolute Value Equation. Part of the series: Help With Equations. Solving a absolute value equation requires you to complete four distinct steps. Learn the four steps to solve an absolute value equation with help from an experienced
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Candy Science - Sick Science! #139

349 views / 1 likes - added 3 years ago

To Discover Why This Happens: http://www.stevespanglerscience.com/experiment/floating-lettersM&Ms have the slogan of melting in your mouth, but not in your hands. You wanna know something cool? The special melting property is totally scientific. The resul
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HUMAN CALCULATOR vs CALCULATOR #shorts

242 views / 0 likes - added 1 year ago

WHAT???? Watch "10 People vs Human Calculator!" https://youtu.be/-KttdsAnNRkSubscribe to Michelle: https://www.youtube.com/channel/UCc-WbFxYCQUdFkgEuJF19zwWatch "I Solved The World's Longest Math Problem!" https://youtu.be/ggH4EfCC-r0Business Inquiries: i
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What is baking powder, and how is it different from baking soda?

311 views / 0 likes - added 3 years ago

Thanks to Kove for sponsoring this video! Use my code AR64 to get more than 60% off the Kove Audio Noise Canceling Headphones here: http://koveaudio.com/ar64Discount/free U.S. shipping subject to change after July 14."Baking Powder Wars: The Cutthroat Foo
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Pendulum Snake | Build Your Own Exploratorium

510 views / 0 likes - added 3 years ago

The Pendulum Snake exhibit blends art and science into a mesmerizing visual display of physics and timea swinging series of pendulums that reveals a remarkable pattern found in nature. Join Senior Scientist Julie Yu in exploring the math behind this beaut
07:09 Popular
What Is the RNA World Hypothesis?

1,216 views / 0 likes - added 5 years ago

Click this link to take a survey about the video: https://www.surveymonkey.com/r/VS8SNBH All living creatures today reproduce and evolve using a complex gene-enzyme cycle. If we look at a cell, for example, information encoded in its genes is used to prod
02:56
Will We Ever Be Able to Colonize the Moon?

617 views / 0 likes - added 5 years ago

Revelations about the moon’s past is giving some scientists reason to believe it might make a better future home than we thought. Watch More Space Crafts! | https://bit.ly/2w0YKD1 Read More: Lunar volcanism produced a transient atmosphere around the ancie
05:38 Popular
Algebra word problem - System of Equations

1,926 views / 0 likes - added 7 years ago

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My
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Exclamations | Syntax | Khan Academy

480 views / 0 likes - added 6 years ago

An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http
02:09 Popular $What is a fractal? A lens to infinity$
What is a fractal? A lens to infinity

1,246 views / 1 likes - added 5 years ago

A fractal pattern is a kind of equation occurring all around us in nature. So what's a fractal and what does it have to do with nautiluses, romanesco broccoli, Star Trek II: The Wrath of Khan, peacocks, and predicting diseases? SUBSCRIBE! for more Popular
04:14 Popular
Compound-complex sentences | Syntax | Khan Academy

852 views / 0 likes - added 6 years ago

Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com
03:59 Popular
How to Easily Memorize the Multiplication Table I The Great Courses

1,013 views / 0 likes - added 7 years ago

Most of us, when faced with math problems like these, immediately reach for a calculator or a pen. But imagine if you could perform these and other seemingly difficult—but surprisingly easy—calculations right in your head. Seems like an imposs
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08:19
Spinning Ink out of Pens in Slow Motion - The Slow Mo Guys

458 views / 2 likes - added 4 years ago

Using the scientific force known as "the spinnies," Gav and Dan make some splatter paintings using a drill. Gav asked Dan to get some cheap, knock-off felt pens, but he went full Crayola. This video is not sponsored by Crayola. Follow us on Instagram! htt
08:28 Popular
Why Is That Song Stuck In My Head?!

748 views / 0 likes - added 8 years ago

Why do songs get stuck in our heads? And what can we do to get rid of them!? Michael Aranda explains current scientific thought on the subject (and also does a pretty good Shia LaBeouf impression). Hosted by: Michael Aranda ---------- Dooblydoo thanks go
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Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

467 views / 0 likes - added 6 years ago

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p
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Who Decided We Needed to Take Vitamins? (Part 1 of 3)

524 views / 0 likes - added 5 years ago

Take your vitamins! You've probably head a parent tell you that, but really, why should we take them to begin with? And who decided vitamins were a good idea? Read More: Vitamins 101: Know What You Need https://www.good.is/articles/know-what-you-need Toda
01:48 Popular
How to Multiply Negative Mixed Numerals

1,306 views / 0 likes - added 5 years ago

How to Multiply Negative Mixed Numerals. Part of the series: Math Help With Multiplying. Multiplying negative mixed numerals quires you to keep a few very important things in mind. Find out how to multiply negative mixed numerals with help from a mathemat
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We’re Losing the War Against Bacteria, Here’s Why | NYT

324 views / 0 likes - added 5 years ago

Bacteria are rebelling. They’re turning the tide against antibiotics by outsmarting our wonder drugs. This video explores the surprising reasons. Read the full story: https://nyti.ms/2G7LzXa Subscribe: http://bit.ly/U8Ys7n More from The New York Times Vid
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Three types of sentence | Syntax | Khan Academy

643 views / 0 likes - added 6 years ago

Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig
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How to Add Square Roots to Numerator Fractions

1,005 views / 1 likes - added 5 years ago

How to Add Square Roots to Numerator Fractions. Part of the series: Math Problems. Adding square root numerator fractions requires you to keep the terms in the problem separate. Add square root numerator fractions with help from a mathematics educator in
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Dividing / Division Of Integers

670 views / 0 likes - added 8 years ago

Dividing / Division of Integers. In this example, I do some basic examples of dividing integers. For more free math videos, visithttp://JustMathTutoring.com
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Why Did NASA Cancel the Apollo Program? | Apollo

440 views / 0 likes - added 5 years ago

NASA had grand plans for the Moon during the Apollo program, but those dreams were cut short a few years after the first landing. Apollo 17 would mark the last time humans ventured to the Moon. Check out the entire Apollo series here!: https://bit.ly/2ApS
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Parallel structure | Syntax | Khan Academy

660 views / 0 likes - added 6 years ago

Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr
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The Coin Hexagon - Numberphile

386 views / 0 likes - added 6 years ago

Featuring Alex Bellos. See the accompanying Dudeney Pentominoes video: https://youtu.be/wZ1E_CM7MqA More links & stuff in full description below ↓↓↓ More Alex Bellos videos: http://bit.ly/Bellos_Playlist Coin playlist: http://bit.ly/coins_videos Box of Pu
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The present tense | The parts of speech | Grammar | Khan Academy

810 views / 0 likes - added 6 years ago

How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse
03:58
How Much Does a Thought Weigh?

681 views / 3 likes - added 6 years ago

How Much Does a Thought Weigh? a.) As much as an electron b.) As much as a water molecule c.) As much as a mosquito Subscribe on YouTube: https://www.youtube.com/WhatThePhysics?sub_confirmation=1 ↓Want more info?↓ SCIENTIFIC NOTES: * The relationship betw
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08:37
Body Code

629 views / 0 likes - added 5 years ago

Body Code is a selection of biomedical animations that explore the human body at the microscopic and molecular scale. Body Code was designed for museum and art gallery exhibition, with the goal of reaching public audiences who do not usually seek out or a
07:11
Lightning Struck Apollo 12... Twice, Here’s How Mission Control Reacted | Apollo

520 views / 0 likes - added 5 years ago

Like the astronauts, NASA’s mission control had to be ready to solve any problem, but during Apollo 12, the team was faced with a shocking scenario that no one expected. Check out the entire Apollo series here!: https://bit.ly/2ApSfg9 Read More: How Curio
03:20 Popular
The Higgs Field, Explained - Don Lincoln

775 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-higgs-field-explained-don-lincoln One of the most significant scientific discoveries of the early 21st century is surely the Higgs boson, but the boson and the Higgs Field that allows for that magic particle
04:10 Popular
Rosalind Franklin: DNA's Unsung Hero - Cláudio L. Guerra

1,060 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/rosalind-franklin-dna-s-unsung-hero-claudio-l-guerra The discovery of the structure of DNA was one of the most important scientific achievements in human history. The now-famous double helix is almost synonymous
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BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

517 views / 0 likes - added 6 years ago

You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif
02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy

930 views / 0 likes - added 6 years ago

When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=
02:03
What would happen if you flew an airplane on all 8 planets

657 views / 0 likes - added 7 years ago

In the book "What if?: Serious Scientific Answers to Absurd Hypothetical Questions" by Randall Munroe, it is possible to picture some unpractical scenarios by using science. According to the book, we are able to understand what would happen to an ordinary
03:16 Popular
The Science of the Perfect Grilled Cheese Sandwich

756 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Consider this a chemical ode to one of the finest comfort foods ever created, the grilled cheese sandwich. Cheese making is an incredibly complex chemical process, and at a certain point, you may have learned the hard
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Humphry Davy's Potassium Volcano

599 views / 0 likes - added 6 years ago

Join this free online course on FutureLearn to learn more about Davy, his scientific achievements and his role as a romantic poet.: http://bit.ly/2whg9G0 Subscribe for regular science videos: http://bit.ly/RiSubscRibe Humphry Davy is one of the best know
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02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

966 views / 0 likes - added 6 years ago

When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca
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Dangling modifiers | Syntax | Khan Academy

595 views / 0 likes - added 6 years ago

A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne
04:12 Popular
The left brain vs. right brain myth - Elizabeth Waters

1,136 views / 2 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/the-left-brain-vs-right-brain-myth-elizabeth-waters The human brain is visibly split into a left and right side. This structure has inspired one of the most pervasive ideas about the brain: that the left side c
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11:57
The Wallis Formula For π

586 views / 0 likes - added 7 years ago

Start with the pair of fractions (2/1)(2/3). Now increment each number by 2 to get the pair of fractions (4/3)(4/5). Repeat this to get the next pair, and repeat this infinitely many times. If you then multiply all the fractions, you get a marvelous value
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy

927 views / 0 likes - added 6 years ago

A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract
01:21
World's First Images of Newborn White Shark?

76 views / 0 likes - added 4 months ago

In light of the recent press regarding this shark, I'm releasing some select footage of this encounter that occurred off on July 9th, 2023. I have over 18 minutes of footage of this little creature. You can read the corresponding research paper in the sci
02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy

829 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a
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The Science of snowflakes with Professor Brian Cox | the Royal Society

13 views / 0 likes - added 1 week ago

Join us for a wintery deep dive into the wonderful world of snowflakes voiced by Professor Brian Cox. Made in partnership with BBC Ideas. https://www.bbc.co.uk/ideas/playlists/made-in-partnership-with-the-royal-society#snow #snowflakes #physics #briancox
02:08 Popular
Tutorial for Adding & Subtracting Fractions

2,032 views / 0 likes - added 5 years ago

Tutorial for Adding & Subtracting Fractions. Part of the series: Adding and Subtracting Fractions. Adding and subtracting fractions is a lot like riding a bike - once you know how, you never forget. Get a tutorial for adding and subtracting fractions with
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

781 views / 0 likes - added 6 years ago

An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c
09:14
How Einstein's Eclipse Changed the Course of Physics Forever

451 views / 0 likes - added 4 years ago

Two intrepid astronomers embarked on a scientific quest to photograph a solar eclipse, and in turn launched Einstein into an international celebrity. Subscribe to Seeker! http://www.youtube.com/subscription_c... Watch more Focal Point | https://bit.ly/2ST
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Let's Blow Up Some Barrels of Ping Pong Balls | Street Science

635 views / 0 likes - added 7 years ago

Street Science | Premieres Wed Jan 11 at 10/9c We're making a bona fide scientific mess! See what happens when liquid nitrogen builds up pressure in a barrel full of ping pong balls! More Street Science! http://www.sciencechannel.com/tv-shows/street-scien
02:32
Why is blood red? | Anna's Science Magic Show Hooray!

662 views / 0 likes - added 5 years ago

In the animal kingdom, blood comes in a rainbow of colors. Subscribe to Anna's Science Magic Show Hooray! https://bit.ly/2LLNAci Many thanks to Drs. Susan Perkins, John Tymoczko, and Jürgen Markl for their scientific expertise! Do you have a science quest
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The Race to Invent the Periodic Table

1,180 views / 0 likes - added 6 years ago

This week on Reactions, we look at the chemistry of gallium, the science behind the holes in the periodic table, and the history of how the elements fell into place. Some chemists might see the periodic table of elements as a holy testament to the power o
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08:56
Being cut off from other humans changes your brain. Here's the science on how.

394 views / 0 likes - added 3 years ago

Over the past few months, the phrase social distancing has entered our lexicon. Many of us have found ourselves separated from family and friendsor at least from our normal social lives. As humans grapple with pandemic-induced isolation, science is starti
11:26
Does Sugar Make Kids Hyper?! Debunked

634 views / 0 likes - added 5 years ago

Parents have been telling us for years, that if you give a child candy and cola it will hype them up and make them go nuts! But, how much truth is there to the 'sugar rush', and how much of it is just in the parents perception? Thanks for watching and sup
03:48
Recognizing fragments | Syntax | Khan Academy

496 views / 0 likes - added 6 years ago

A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan
04:51 Popular
Do Elephants Really Never Forget? Here’s How Their Brains Are Different From Ours

725 views / 0 likes - added 5 years ago

Elephants have large brains and great memory, but what's exactly going on in that massive head of theirs? Here’s what we know. Catch the latest episode of Dodo Heroes on Saturday at 9pm EST on Animal Planet! You can also stream ALL episodes, available on
04:38
Run-ons and comma splices | Syntax | Khan Academy

605 views / 0 likes - added 6 years ago

A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,132 views / 0 likes - added 6 years ago

We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/
10:24 Popular
The Real Meaning Of E=mc² | Space Time | PBS Digital Studios

1,668 views / 0 likes - added 8 years ago

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Let us know what topics you want to le
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Can You Solve The Bridge Riddle? - Alex Gendler

2,071 views / 3 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/can-you-solve-the-bridge-riddle-alex-gendler Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn’t s
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02:34
Subjects and predicates | Syntax | Khan Academy

663 views / 0 likes - added 6 years ago

A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id
05:27 Popular
Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

959 views / 0 likes - added 7 years ago

"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d
01:26 Popular
Can You Churn Butter In The Time It Takes To Toast Your Bread?

712 views / 0 likes - added 6 years ago

#Outrageous_Acts Find out what scientific process combined with some strong arms allow for some legen-dairy homemade butter-making. Full Episodes Streaming FREE: https://www.sciencechannel.com/tv-shows/outrageous-acts-of-science/ Subscribe to Science Chan
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14:48
28 SIMPLE STUDY TRICKS THAT WILL COMPLETELY CHANGE YOUR LIFE

571 views / 0 likes - added 5 years ago

FANTASTIC STUDY HACKS AND IDEAS School can be real fun, especially if you just learn a couple of our awesome ideas and life hacks. I promise, our amazing school crafts can help to make your studies even brighter and smarter. You'll learn how to cope with
16:36 Popular
Writing: Informative — How-to Example | Reading & Writing | New SAT | Khan Academy

921 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Informative passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-narrative?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mis
03:05
What's the Best Way to Cook Pasta?

527 views / 0 likes - added 7 years ago

Take the PBS Digital survey! https://www.surveymonkey.com/r/pbsds2017 Subscribe! http://bit.ly/ACSReactions Pasta noodles contain only three ingredients: eggs, water and flour. But how can you achieve a tasty result every time? Cooking pasta chemically ch
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More uses for commas | Punctuation | Grammar | Khan Academy

807 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c
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Billie Eilish Makes Music Differently, Here's How | Diary of a Song

689 views / 1 likes - added 5 years ago

The fastest-rising pop star of the moment is 17 and writes off-kilter hits with her older brother from their parents’ house. Breaking down Billie Eilish’s “Bury a Friend,” we show a new model for making it big. Subscribe: http://bit.ly/U8Ys7n More from Th
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Linking verbs | The parts of speech | Grammar | Khan Academy

1,660 views / 0 likes - added 6 years ago

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs
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Writing: Argument — How-to Example | Reading & Writing | New SAT | Khan Academy

776 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Argument passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-informational-passage?utm_source=YT&utm_medium=Desc&utm_campaign=N
01:46 Popular
Multiplication / Multiplying Integers

1,975 views / 0 likes - added 8 years ago

Multiplication / Multiplying Integers. Here I look at a couple of quick examples dealing with multiplication of integers. The only things we have be really careful of is the sign we get after multiplying. Otherwise, it is the same as multiplying all posit
05:54
The X3 Ion Thruster Is Here, This Is How It'll Get Us to Mars

398 views / 1 likes - added 5 years ago

The X3 is made possible thanks to a collaboration among NASA, Aerojet Rocketdyne, the Caltech Jet Propulsion Laboratory, and the University of Michigan. It's a new type of propulsion engine that smashed records during test firings. This engine and other e
04:44 Popular
Relative clauses | Syntax | Khan Academy

753 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
06:14
Will Robots Become Conscious?

611 views / 0 likes - added 6 years ago

What makes a brain or machine conscious? Will robots become more conscious than we are? One theory, which can actually calculate consciousness, is beginning to provide some answers. Subscribe: http://youtube.com/whatthephysics?sub_confirmation=1 ↓Want mor
03:37 Popular
The Time Value Of Money - German Nande

933 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-to-calculate-the-future-value-of-your-cash-german-nande We've all heard the phrase "Time is money." But what do these two things actually have to do with one another? German Nande explains the math behind in
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

970 views / 0 likes - added 6 years ago

Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
09:51
How to Spot an Alien, According to NASA!

503 views / 0 likes - added 5 years ago

We often think of aliens as space monsters or little green men with laser guns, but what might alien life actually be like? Here we take a look at NASA's definition of life, and see how it's being used in the exploration of the cosmos, as well as in the c
09:48
How Close Are We to Building a Moon Base?

526 views / 0 likes - added 5 years ago

For decades, humans have fantasized about living on the moon, but we haven't sent anyone there since 1972. So, how close are we to a moon base? Apollo - https://www.youtube.com/watch?v=9wo1jasvnUg&list=PL6uC-XGZC7X6t9SWSCN0ETF6HWcxy6bVc How Close Are We?
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,526 views / 0 likes - added 6 years ago

A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
02:50
These researchers are putting fly babies into virtual reality

296 views / 0 likes - added 3 years ago

Bugs and fish dont play video games or attend teleconferences, but they can still explore virtual realitycomplete with visual effects, tastes and smells. A new system called PiVRnamed after the low-cost Raspberry Pi computer that runs its softwarecreates
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Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,153 views / 0 likes - added 6 years ago

Introduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s
02:28 Popular
How To Visualize One Part Per Million

910 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-to-visualize-one-part-per-million-kim-preshoff-the-ted-ed-community “Parts per million” is a scientific unit of measurement that counts the number of units of one substance per one million units of another.
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02:23 Popular
Tricks to Learn When Multiplying and Dividing Fractions With Mixed Numbers

1,776 views / 0 likes - added 5 years ago

Tricks to Learn When Multiplying and Dividing Fractions With Mixed Numbers. Part of the series: Math Help With Multiplying. When it comes to learning multiplying and dividing, a few tricks can make things easier. Learn about tricks to getting the hang of
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

932 views / 0 likes - added 6 years ago

Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
05:39
How you've been making tea WRONG your entire life - BBC

134 views / 0 likes - added 1 year ago

Subscribe and to the BBC https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer https://bbc.in/iPlayer-Home Cherry Healey gets some scientific tips on making the best possible cup of tea with a tea bag. Inside The Factory | Series 3 'Tea Bags' | BBC
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Introduction to verbs | The parts of speech | Grammar | Khan Academy

618 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

997 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,096 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

834 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
04:56 Popular
How Do We Know the Age of the Earth?

827 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Head to www.acs.org/ncw30years to find out more about National Chemistry Week! The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there’s no “established in” pla
01:23
Static Flyer - Sick Science! #129

377 views / 0 likes - added 3 years ago

Read the full experiment here http://www.stevespanglerscience.com/experiment/static-flyer-flying-bagWho needs a magic wand to create levitating objects when you have a balloon? In the Static Flyer experiment, we'll teach you how understanding certain scie
13:57
Pythagoras Would Be Proud: High School Students' New Proof of the Pythagorean Theorem [TRIGONOMETRY]

178 views / 0 likes - added 1 year ago

Calcea Johnson and Ne’Kiya Jackson are two high school students at St. Mary's Academy in New Orleans who recently presented a new proof of the Pythagorean theorem at the Spring Southeastern Sectional Meeting of the American Mathematical Society. The
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

911 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
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Watch the moon landing disaster speech that never happened...happen, thanks to a deepfake

274 views / 0 likes - added 3 years ago

What can former U.S. president Richard Nixon possibly teach us about artificial intelligence today and the future of misinformation online? Nothing. The real Nixon died 26 years ago. But an AI-generated likeness of him shines new light on a quickly evolvi
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,170 views / 1 likes - added 6 years ago

“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
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Who versus whom | The parts of speech | Grammar | Khan Academy

598 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
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Appositives | Punctuation | Grammar | Khan Academy

633 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
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Personal pronouns | The parts of speech | Grammar | Khan Academy

654 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
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Skunk-like mammal, Orretherium tzen, co-existed with dinosaurs | CBC Kids News

246 views / 0 likes - added 2 years ago

Paleontologists in Chile have found a fossil jawbone with teeth.The fossil comes from a skunk-like mammal that lived more than 70 million years ago.The discovery was published in the journal Scientific Reports in April 2021.Scientists say it could help an
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How China Creates Cancer Refugees | NYT News

581 views / 0 likes - added 5 years ago

A rural resident in China is 30 percent more likely to die after a cancer diagnosis than an urban resident. Three rural families trying to beat these odds — “cancer refugees” — share their stories of battling the disease far from home and the financial ru
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How Did NASA Engineer a Car for the Moon? | Apollo

668 views / 1 likes - added 5 years ago

NASA’s first car to drive on the Moon revolutionized space exploration, giving astronauts the ability to travel farther than ever before. Check out the entire Apollo series here!: https://bit.ly/2ApSfg9 Read More: The Lunar Rover was Almost as Badass as t
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Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,015 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
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Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,250 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
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3 optical illusions that exploit your visual system

742 views / 0 likes - added 7 years ago

Sources for scientific journals are provided below. New videos come out every Sunday so subscribe for more videos. Visit my Facebook page for more bite sized tips and psychology information https://www.facebook.com/BiteSizePsych Also, if you like the musi
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Astrology isn’t science, but it’s more real than you think

441 views / 0 likes - added 5 years ago

Astrology isn't real science, but there's more to the zodiac than ancient superstition. Before it was popularly debunked, astrology drove scientific discoveries for thousands of years. And researchers say that astrology still has a lot to contribute today
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This Is How the Apollo Program Began

389 views / 0 likes - added 5 years ago

During World War II, German scientists created the first missile capable of reaching space, and it became the catalyst for humanity's venture into the unknown. To celebrate NASA’s 60th birthday, starting October 20th, Seeker is going back in time to reliv
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Why Do Onions Make Us Cry? - Instant Egghead #62

1,156 views / 0 likes - added 8 years ago

Anyone that's chopped into an onion is familiar with the noxious fumes and irritating pain induced by an otherwise delicious vegetable. Scientific American editor Ferris Jabr explains how this bulbous member of the allium genus can bring us to tears. -- W
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Punctuating a list | Punctuation | Grammar | Khan Academy

585 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
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Can We Really Touch Anything?

231 views / 0 likes - added 3 years ago

Can we really touch things? Well if by touch we mean exchange a force-carrying particle with, then yes. The photon is the force-carrier of the electromagnetic interaction. But if the photon is also a particle of light then why aren't magnets glowing? Beca
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The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,034 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
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How Does Toothpaste Work? (+ WHO ARE YOU?!) - Reactions Q&A

923 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions You use it everyday, hopefully twice, but do you know how toothpaste works? In another installment of our Reactions Q and A series, we talk about what gets your chompers clean. Plus, many of you have asked what we loo
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The Crazy Things Astronauts Did to Survive the First Moon Landing | Apollo

737 views / 1 likes - added 5 years ago

NASA’s first astronauts were pushed to dangerous and deadly extremes while training to survive on the Moon. Check out the entire Apollo series here!: https://bit.ly/2ApSfg9 Read More: Apollo 11's Scariest Moments: Perils of the 1st Manned Moon Landing htt
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Coin Tower - Sick Science! #205

730 views / 0 likes - added 8 years ago

Check out cool science kits and toys: http://www.stevespanglerscience.com/ When it comes to scientific muses, Sir Isaac Newton is definitely near the top of our list. Our favorite laws to break involve physics, movement, and motion! That’s why we came up
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How NASA Plans to Return to the Moon | Apollo

584 views / 1 likes - added 5 years ago

NASA hasn't sent humans back to the Moon in almost 50 years, but in the next decade, the agency has ambitious plans for a lunar revival. Check out the entire Apollo series here!: https://bit.ly/2ApSfg9 Read More: What’s Really Changed—and What Hasn’t—Abou
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Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)

385 views / 0 likes - added 5 years ago

Fractals aren’t just crazy cool mathematically infinite shapes. They might just have the capacity to revolutionize modern electronics as we know it. Thumbnail image courtesy of Sander Kempkes. There’s a Subterranean Biosphere Hiding in the Earth’s Crust a
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Spinning Water Droplets That Seemingly Defy Physics | ScienceTake

361 views / 0 likes - added 5 years ago

Chinese researchers have discovered a new way to make water droplets spin, creating a potential new kind of hydropower. Read the story here: https://www.nytimes.com/2019/03/26/science/water-droplets-dance.html Subscribe: http://bit.ly/U8Ys7n More from The
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Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

589 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
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Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,134 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
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Addition / Adding Integers By Using A Number Line

2,131 views / 0 likes - added 8 years ago

Addition / Adding Integers by Using a Number Line. Using a number line is one way to think about what we are doing when adding / subtracting integers. I like it as it provides a nice visual representation of what we are doing. For more free math videos, v
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Helping verbs | The parts of speech | Grammar | Khan Academy

1,152 views / 0 likes - added 6 years ago

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
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Meet the Ranchers Who Claim the Brazilian Amazon is Theirs to Burn | The Dispatch

372 views / 0 likes - added 4 years ago

Welcome to the lawless heart of the Brazilian Amazon. Here, cattle ranchers and loggers emboldened by President Jair Bolsonaro are clearing huge swaths of rainforest every minute. All in the name of progress.Assista ao vdeo com traduo selecionando legenda
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Subtracting / Subtraction Of Integers

1,314 views / 0 likes - added 8 years ago

Subtracting / Subtraction of Integers. Here we look at some examples of subtracting integers. In these examples, we create a subtraction statement from a number line. For more free math videos, visithttp://JustMathTutoring.com
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Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

540 views / 0 likes - added 6 years ago

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
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Simplifying Complex Fractions - Ex 1

1,035 views / 0 likes - added 8 years ago

Complex number worksheet with detailed solutions made by me! http://www.teacherspayteachers.com/Product/Complex-Numbers-Adding-Subtracting-Multiplying-Dividing Simplifying Complex Fractions - Ex 1 In this video, I simplify a complex fraction by getting co
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Emphatic pronouns | The parts of speech | Grammar | Khan Academy

893 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
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The virtually indestructible tardigrade

368 views / 0 likes - added 6 years ago

This tardigrade, or "water bear," came back to life and reproduced after being frozen for 30 years. These microscopic animals can survive in the harshest of environments. Scientists are still trying to discover the secrets to their incredible survival abi
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On its 30th Birthday, the Hubble Telescope has a simple wish for the world

334 views / 0 likes - added 4 years ago

I have seen 160,000 sunrises and sunsets, more than anyone could hope for. Circling hundreds of miles above the surface of our big blue marble for 30 years, Ive had a remarkable view of the universe. I havent always been comfortable up here, but thanks to
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How to Add and Subtract Mixed Numbers and Show the Work

2,160 views / 1 likes - added 5 years ago

How to Add and Subtract Mixed Numbers and Show the Work. Part of the series: Adding and Subtracting Fractions. When adding and subtracting mixed numbers it is always important to remember to show your work. Add and subtract mixed numbers and show the work
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What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,078 views / 0 likes - added 6 years ago

Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q
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How Apollo 8 Survived the Risky Trip to the Far Side of the Moon | Apollo

576 views / 1 likes - added 5 years ago

A last minute shake up in 1968 sent a manned crew outside of Earth’s orbit for the first time. The crew of Apollo 8, in a very short amount of time, would have to learn how to reach our nearest celestial neighbor and then return safely to Earth. Check out
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Animated Science. Episode 5. Periodic Table

936 views / 0 likes - added 4 years ago

2019 has been declared the International Year of the Periodic Table (IYPT 2019) by the United Nations, to commemorate the 150th anniversary of the creation of the periodic table of chemical elements. In this fifth chapter of Animated Science, we see the m
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Making Sense Of Irrational Numbers

2,129 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/making-sense-of-irrational-numbers-ganesh-pai Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or dis
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