Search Results: "recycling symbol numbers meaning"

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02:23
Immigration in America Isn’t What the Politicians Tell You

492 views / 0 likes - added 7 years ago

Politicians make a lot of wild claims about undocumented immigrants in the United States. Our advice? Take a deep breath and have a look at what the numbers tell you. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRE
03:22
A Giant Salamander's Second Chance | Maddie About Science

457 views / 2 likes - added 6 years ago

Eastern hellbenders live throughout the Appalachian region in the United States. Their ancestors have been on earth for around 160 million years, but in the last several decades their numbers have dropped dangerously in several states, primarily due to ha
06:49
Useful Diamonds - Periodic Table Of Videos

622 views / 0 likes - added 9 years ago

More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/
08:00
24 ft Crawler Crane made entirely of LEGO really works!

558 views / 0 likes - added 4 years ago

See video of 7.3m configuration: https://youtu.be/JJyhYmm1Yhw Remote controlled model of Liebherr LR 11000. 1:24 scale, ~27 kg weight, 4 EV3 bricks, 9 motors, 7 light sensors, 1 touch sensor. Gallery: https://flic.kr/s/aHsktA4fiA Videos of other cranes fr
10:20 Popular
SURPRISING Coin Flipping Probability - Flips To HH Versus HT

876 views / 0 likes - added 7 years ago

What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri
04:13 Popular
Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

846 views / 0 likes - added 7 years ago

These homework problems were given to 10 year old children (Year 5) in England (Glossop, Derbyshire) and they were posted to Facebook when some adults found them to be difficult. One person claimed the problems were impossible to solve. Can you figure the
07:10
TOUGH Interview Question - Ways To Give 11 Coins To 3 People

614 views / 0 likes - added 7 years ago

How many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of non-negat
23:08 Popular
A Rare Interview With The Mathematician Who Cracked Wall Street | Jim Simons | TED Talks

876 views / 0 likes - added 8 years ago

Jim Simons was a mathematician and cryptographer who realized: the complex math he used to break codes could help explain patterns in the world of finance. Billions later, he’s working to support the next generation of math teachers and scholars. TED’s Ch
02:41
This Turkish Language Isn't Spoken, Its Whistled

324 views / 1 likes - added 4 years ago

For three centuries, farmers living in the remote mountains of northern Turkey have communicated great distances by whistling. Its a language called ku dili that is still used to this day, though fewer people are learning it in the age of the cell phone.
08:57 Popular
Researchers have decoded prairie dog language

787 views / 6 likes - added 7 years ago

This program discusses Prairie Dog Language -- the most sophisticated animal language decoded so far. Con Slobodchikoff, Ph.D., and his students at Northern Arizona University in Flagstaff, researched the Gunnison's prairie dogs Alarm Calls for over 30 ye
08:58
How Close Are We To Hypersonic Travel?

441 views / 0 likes - added 5 years ago

Flying at hypersonic speed could revolutionize transportation, but there are incredible engineering and logistical challenges we need to get through first. So, how close are we to hypersonic travel? How Close Are We? Playlist - https://youtu.be/ZW_YCWLyv6
07:42 Popular
The Useless Number - Numberphile

1,092 views / 0 likes - added 9 years ago

One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless". Featuring Barry Mazur. Extra footage from this interview: http://youtu.be/i4GCd2xOCDg Barry's book on this topic: http://bit.l
12:02 Popular
How to make a Wildlife Camera (using a Raspberry Pi!) | Maddie Moate

789 views / 0 likes - added 5 years ago

For a long time I've really wanted to get stuck in with a Raspberry Pi project and the My Naturewatch Camera has been something I've been meaning to make for AGES. This video is a detailed step by step instructional video, something that I couldn't find o
02:57 Popular
Viral Facebook Math Problem

1,293 views / 1 likes - added 7 years ago

This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t
03:04
Kelly Clarkson - Love So Soft (Lyrics / Lyric Video)

257 views / 0 likes - added 11 months ago

Kelly Clarkson - Love So Soft (Lyrics / Lyric Video) Could you support Royal Music by hitting subscribe? Turn on notifications to stay updated with new uploads! Kelly Clarkson's new single 'Love So Soft' released with 'Move You part of her upcoming album
11:50
Natural Language Processing: Crash Course Computer Science #36

643 views / 0 likes - added 6 years ago

Today we’re going to talk about how computers understand speech and speak themselves. As computers play an increasing role in our daily lives there has been an growing demand for voice user interfaces, but speech is also terribly complicated. Vocabularies
05:43 Popular
How to order 43 Chicken McNuggets - Numberphile

764 views / 0 likes - added 6 years ago

We're exploring the world of Chicken Nuggets and Frobenius numbers. 43 has long been a special number in the world of McNugget mathematics, but 11 is also important! More links & stuff in full description below ↓↓↓ This video features D
08:27
Can You Solve The 3 Cards Riddle?

681 views / 0 likes - added 7 years ago

There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place
05:17
Farewell B11 - Periodic Table Of Videos

491 views / 0 likes - added 9 years ago

Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/chemistry/index.aspx Periodic Videos films are by
03:31 Popular
How Logical Are You? The Irrationality Illusion Tricks Most

805 views / 0 likes - added 7 years ago

This video relates a cognitive bias ("irrational" decision) to an optical illusion (picture at 1:45). For more, check out my new book, "The Irrationality Illusion: How to Make Smart Decisions And Overcome Bias" http://amzn.to/1o3FaAg Blog post (text and i
04:46
The Vampire Squid, a Living Fossil of the Abyss

289 views / 0 likes - added 3 years ago

The vampire squid is a peculiar creature, with its deep red colour, icy blue eyes, and webbed tentacles. Vampire squid are remarkably well-suited for a life at these depths. The isolated environment around it has changed little in 300 million years, meani
12:01 Popular
The Civil War, Part I: Crash Course US History #20

1,326 views / 11 likes - added 9 years ago

In which John Green ACTUALLY teaches about the Civil War. In part one of our two part look at the US Civil War, John looks into the causes of the war, and the motivations of the individuals who went to war. The overarching causes and the individual motiva
04:12 Popular
Interpret Dog Tail Wags: How to Understand Dog's Body Language

1,111 views / 0 likes - added 3 years ago

In this video, we'll explain the meaning of each dog's tail signs.The position of a dog's tail can reveal a lot about what that dog is thinking and feeling. The speed of the wag, the pattern of movement, and the breadth of each tail sweep can all give inf
03:59
Movie Geometry - Shaping the Way You Think

598 views / 0 likes - added 5 years ago

Shapes have meaning. That may sound crazy, but hear me out. Let's explore how cinematographers and directors create shapes inside the frame to add visual storytelling to their films. Twitter: http://bit.ly/1QvLI0H Patreon: http://bit.ly/1UaO9MU Music: htt
04:52
These Hybrid Metallic Crystals Are Chemistry’s New Miracle Materials

371 views / 0 likes - added 5 years ago

This chemistry experiment conducted 4200 meters above Melbourne, Australia, could revolutionize how we scrub greenhouse gases or deliver targeted drugs. Why Do Rocks the Size of Cars Suddenly Break From Cliffs? - https://youtu.be/8WIAYqU2r9s _____________
09:19 Popular
Monetary And Fiscal Policy: Crash Course Government And Politics #48

827 views / 0 likes - added 8 years ago

Today, Craig is going to dive into the controversy of monetary and fiscal policy. Monetary and fiscal policy are ways the government, and most notably the Federal Reserve, influences the economy - for better or for worse. So we’re going to start by lookin
23:48
Around the Globe: We Travel To The North Pole | Nightly News: Kids Edition

86 views / 0 likes - added 1 year ago

Happy Holidays! Heres what you need to know if you are flying to be with family this week. The meaning behind Hanukkah: We look at the history behind this holiday. Tracking Santa! We share how you can track Saint Nick on Christmas Eve. Plus, Around the Gl
03:57
What Does It Take To Enrich Uranium?

467 views / 0 likes - added 4 years ago

We're constantly hearing about nuclear enrichment in the news, but what does it mean and when should we be concerned? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seek
02:39 Popular
The Mind-Blowing Mathematics Of Sunflowers - Instant Egghead #59

738 views / 0 likes - added 8 years ago

Why do the number of spirals in a sunflower match up with the integers 34, 55, 89 and 144 -- numbers found in the famous Fibonacci Sequence? Scientific American editor John Matson explains. -- WATCH more Instant Egghead: http://goo.gl/CkXwKj SUBSCRIBE to
10:03
The mystery of 0.577 - Numberphile

633 views / 0 likes - added 7 years ago

The harmonic series and the elusive Euler–Mascheroni constant. Featuring Dr Tony Padilla. Audible: http://www.audible.com/numberphile (check out Just Six Numbers) Extra footage: https://youtu.be/eRGN8ThZfhU Videos about -1/12: http://bit.ly/minus_twelfth
02:33 Popular
What Is Love? | The Amazing World Of Gumball | Cartoon Network

1,958 views / 7 likes - added 8 years ago

The residents of Elmore search for the meaning of love. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNGumball About The Amazing World of Gumball: Gumball, the amusing blue cat with a giant head, and his best
04:59
Quantum Computers Are Making Classical Ones Faster, Here's How

471 views / 0 likes - added 5 years ago

Quantum computing may be all the rage, but it turns out that the classic computers we use today may have some tricks up their sleeve. We’re Close to a Universal Quantum Computer, Here’s Where We're At - https://youtu.be/6yaY4Fw-ovM Get 20% off http://www.
04:51 Popular
Three Gears Are Possible - Numberphile

1,383 views / 0 likes - added 7 years ago

Henry Segerman (mathematician and 3D printing guru) discusses how to make three gears work together. Skew dice: https://youtu.be/uAnCL3vhVIs Prime Numbers Playlist: http://bit.ly/primevids Prime Machine: https://youtu.be/8UqCyepX3AI You can buy the gears
04:19 Popular
Who decides what art means? - Hayley Levitt

704 views / 0 likes - added 5 years ago

Find out how students can share their ideas as TED Talks here: http://bit.ly/2zpAQUc View full lesson: https://ed.ted.com/lessons/who-decides-what-art-means-hayley-levitt There is a question that has been tossed around by philosophers and art critics for
02:45 Popular
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

708 views / 0 likes - added 7 years ago

This puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri
02:23
This SAT Math Question Has A Mistake

669 views / 0 likes - added 7 years ago

This question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the test-makers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk-4
03:40 Popular
Comparing Decimals Visually Example | 4th Grade | Khan Academy

980 views / 0 likes - added 8 years ago

Learn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals-visually/e/comparing-decimals-visually?utm_source=
11:56
23 CRAZY FUN HACKS AND CRAFTS

521 views / 0 likes - added 4 years ago

AMAZING HACKS TO TRY WITH FRIENDSHello crafters! You know what time it is, right? Its time to get your creativity working with the fantastic hacks and crafts we have for you today. Get all your crafting materials ready, because this is about to go wild. F
11:04
FULL EPISODE: Mystery Girl | Clarence | Cartoon Network UK

47 views / 0 likes - added 3 months ago

After Clarence and pals call random numbers as a prank, Clarence ends up connecting with a girl - and they strike up a friendship. But will this long distance phone pal last?Welcome to the official Cartoon Network UK YouTube channel!Get ready to laugh out
04:30
Losing Fingers To Chemistry - Periodic Table Of Videos

648 views / 1 likes - added 9 years ago

The Prof is back in the lab with a Potassium Dichromate reaction and a story of lost fingers! More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvid
10:48 Popular
The True Nature Of Matter And Mass | Space Time | PBS Digital Studios

1,358 views / 0 likes - added 8 years ago

Are matter, mass, and time real? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime We know that mass is energy… but what is energy? And where
05:09 Popular
Can You Solve The Snake Eyes Probability Riddle?

844 views / 0 likes - added 7 years ago

You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s
02:28
(TV) Pitch Perfect | Teen Titans Go! | Cartoon Network

209 views / 0 likes - added 2 years ago

Having watched everything on TV, the Titans decide to make their own show but end up pitching to Toy Master, who brings a different meaning to the word 'pitch.'Episode: The Perfect Pitch?SUBSCRIBE: https://bit.ly/3I6u2LoAbout Cartoon Network:Welcome to Ca
05:56
Contains Loud Bangs - Periodic Table Of Videos

505 views / 0 likes - added 9 years ago

It's detonation vs deflagration. More slow motion at http://bit.ly/chemslomo More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the Scho
04:06 Popular
Why is the Statue of Liberty Green?

1,506 views / 4 likes - added 6 years ago

Check out BrainCraft here: https://www.youtube.com/braincraft The Statue of Liberty is an iconic blue-green symbol of freedom. But did you know she wasn’t always that color? When France gifted Lady Liberty to the U.S., she was a 305-foot statue with reddi
04:23
How Do Robots Dismantle Bombs?

381 views / 0 likes - added 5 years ago

Over 100 million unexploded bombs hide around the globe. These robots help the U.S. Air Force dispose of them remotely. What Happens When an Aircraft Catches Fire? - https://youtu.be/MEoYNHDUKMQ ____________________ Science In The Extremes ventures to the
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Blippi's Colorful Slime Science Experiments with Emily Calandrelli! Educational Videos for Kids

408 views / 2 likes - added 1 year ago

Blippi meets Emily Calandrelli, an engineer, for some fizzy, flying science experiments. Learn all about science and engineering as they experiment with slimey oobleck, DIY rockets and MORE! It's perfect day to have some messy fun outside! They even take
06:57
When Is Christmas? Mentally Convert Date To Day Of The Week

532 views / 0 likes - added 7 years ago

January 1, 2016 is a Friday. When will Christmas be in 2016? What about Christmas in 2055? You can do this in your head! Blog post (text explanation): http://wp.me/p6aMk-4qQ Doomsday Rule (previous video): https://www.youtube.com/watch?v=UsStBxY9STw Calcu
06:19
Can you solve the rogue submarine riddle? - Alex Rosenthal

308 views / 1 likes - added 2 years ago

Practice more problem-solving at https://brilliant.org/TedEd--Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override a little harder. And youve got a problem: you dont have the override code. You
03:06 Popular
Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

1,262 views / 0 likes - added 8 years ago

Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-
06:55 Popular
Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

1,175 views / 1 likes - added 8 years ago

Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut
05:07
Memory Champion Teaches You How To Memorize Anything

555 views / 0 likes - added 8 years ago

Joshua Foer can remember anything, including the first 100 digits of Pi. The former U.S.A. Memory Champion explains how he—and you—can memorize anything using the major system technique, which converts numbers into words and images. SUBSCRIBE for more vid
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10:40
Shining a laser through a light bulb can reveal the structure of DNA

100 views / 0 likes - added 1 year ago

Get 2 months of Skillshare Premium for free at: https://skl.sh/stevemould5 Photo 51 is the famous image created by Rosalind Franklin and analysed by James Watson and Francis Crick. They used it to figure out the structure of DNA. It's an x-ray diffraction
05:39 Popular
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

794 views / 0 likes - added 5 years ago

Thanks to Eric from Miami for suggesting this problem and sending a solution! The diagram shows a quadrilateral ABCD with the values for some angles and the length of AB. Can you figure out the area of ABCD? Subscribe: https://www.youtube.com/user/MindYou
09:43 Popular
Smelly Chemistry - Periodic Table Of Videos

850 views / 0 likes - added 9 years ago

Mercaptans - or Thiols - are some of the smelliest chemicals around. We didn't dare open the bottle. PsyFile: https://www.youtube.com/psyfile More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos
06:48
Rubidium, Water And Indicator (slow Motion) - Periodic Table Of Videos

586 views / 0 likes - added 9 years ago

We drop Rubidium into water - but with Phenolphthalein in the water to act as an indicator. Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Tw
10:01
Turning Trash into EDIBLE Gifts | How To Cook That Ann Reardon

243 views / 0 likes - added 3 years ago

In this week's episode, I have a challenge to re-use trash to make edible gifts. With thanks to the sponsor of this episode: https://CuriosityStream.com/howtocookthatSUBSCRIBE on youtube: http://bit.ly/H2CThat Support: https://patreon.com/h2ctRecipe: http
02:18
The Ghosts Of Black Friday Present I Teen Titans Go I Cartoon Network

679 views / 3 likes - added 8 years ago

Starfire is visited by three ghosts and shown the true meaning of Black Friday. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen Titans GO!: TEEN TITANS GO! is a comedy featuring the beloved DC h
03:34 Popular
Why Does Milk Curdle When It Goes Bad?

1,737 views / 1 likes - added 8 years ago

Most foods fall apart when they go bad - so why does milk clump together? The answer is bacterial poop, and Lauren can explain. Learn more at HowStuffWorks.com: http://science.howstuffworks.com/innovation/edible-innovations/yogurt2.htm Share on Facebook:
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10:26
Skewes' Massive Number - Numberphile

569 views / 0 likes - added 8 years ago

Dr James Grime on the epic Skewes' Number. Lynda free trial (worth a look): http://www.lynda.com/numberphile Prime numbers: http://bit.ly/primevids Graham's Number: http://bit.ly/GrahamsNumber A small bit we chopped from this video: https://youtu.be/qgN6D
01:37 Popular
SpongeBob SquarePants | Can Patrick Star be a STAR in SpongeBob's Commercial? | Nick

1,073 views / 2 likes - added 7 years ago

Patrick Star gives his last name a whole new meaning! Watch him step into the spotlight as he becomes the face of the Frozen Krabby Patty in this original short, and catch more 'SpongeBob' on Nick! #Nick #Nickelodeon #SpongeBob #SpongeBobSquarePants Subsc
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Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios

1,251 views / 0 likes - added 7 years ago

To check out any of the lectures available from Great Courses Plus go to http://ow.ly/K9mK301cRdj and get ready to learn about everything from cooking to calculus. Previous episode on Quantum Tunneling and the de Broglie Wavelength: https://www.youtube.co
05:09
What Are We Doing to Prepare for the Next Big Oil Spill?

349 views / 0 likes - added 5 years ago

Unfortunately it's only a matter of time before we're faced with the next oil spill disaster. That's why first-response teams like the Oiled Wildlife Care Network focus on what we can learn from past spills, and evaluate long-term impacts of oil and chemi
05:21 Popular
Can Computers Read Your Mind?

852 views / 1 likes - added 8 years ago

Nowadays it’s not unusual for a search engine to autofill search terms, for streaming music services to suggest new music based on your past preferences, and for advertisers to automatically target you for specific products. But how far can this practice
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04:16
Caesium In Water (slow Motion) - Periodic Table Of Videos

561 views / 0 likes - added 9 years ago

Everyone's favourite alkali metal - Caesium - reacts with water. Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com
01:15
The Tiny Mossy Frog Clings for Survival

597 views / 3 likes - added 6 years ago

This little guy is a mossy frog. Located predominantly in the flooded caves of Vietnam, these tiny amphibians have a very unique camouflage to ward off prey. With their blotchy green and brown skin, they can easily hide in plain sight by blending in with
16:56
32 GENIUS WAYS TO RECYCLE PLASTIC

391 views / 0 likes - added 3 years ago

AMAZING WAYS TO REPURPOSE THINGSNowadays its super important to find sustainable ways to live, and recycling plastic to create incredible crafts is one of them! Today were going to show you how you can take the junk you have at home and repurpose it into
04:29
Countries With Most Nuclear Warheads 1945 - 2022

221 views / 0 likes - added 2 years ago

Because of the current situation I decided to create a data visualization video on the state of nuclear weapons throughout the world. I not only show the numbers of nuclear weapons but also some of the devices and their destructive power. Some of these te
05:26 Popular
Liquid Oxygen (slow Motion) - Periodic Table Of Videos

708 views / 0 likes - added 9 years ago

Dropping hot charcoal into liquid oxygen - filmed with a high-speed camera. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the Schoo
13:45
17 STUNNING DIY FLOWERS YOU CAN CREATE IN 2 MINUTES

613 views / 0 likes - added 6 years ago

This video is all about the flowers, whether the real or fake ones!These flower ideas are extremely creative and fun! You can make beautiful floral prints for your clothes, floral letters and numbers for room decoration for a party or any other kind of ev
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,396 views / 2 likes - added 7 years ago

This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video
15:15
Moving Faster Than The Speed Of Light? Special Relativity Velocity Addition Formula

687 views / 0 likes - added 7 years ago

If train A is moving towards train B, and each train moves at 75% the speed of light (relative to the ground), will an observer on train A think that train B is moving at 150% the speed of light? But nothing moves faster than the speed of light, so what i
04:53 Popular
Can You Solve The Friendship Riddle?

1,309 views / 0 likes - added 7 years ago

In a group of 6 people, you might find that some people are friends on Facebook, or you might find out that no one is friends on Facebook. Show that there is always a group of 3 people in which either: (a) all 3 people are mutual friends or (b) the 3 peop
07:02
Discovering the Past Through Dinosaur Poop

556 views / 0 likes - added 5 years ago

Please support our videos http://www.patreon.com/scifri Although the praire outside of Choteau, Montana is best known as the fossil quarry that provided definitive paleontological insights into the parenting habits of dinosaurs, it’s also the perfec
02:44
Explosives Legend - Periodic Table Of Videos

523 views / 0 likes - added 9 years ago

The Professor oversees the installation of a "blue plaque" for the late great Colonel BD Shaw. See out-takes from this video (and why Brady gets angry at truck drivers) at: http://www.youtube.com/watch?v=LN7BLUWBuBI More chemistry at http://www.periodicvi
13:03
5 REAL Possibilities For Interstellar Travel | Space Time | PBS Digital Studios

623 views / 1 likes - added 8 years ago

Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime The prospect of interstellar travel is no longer sci-fi. It COULD be achievable within our l
01:49 Popular
This Matchstick Puzzle Is

858 views / 1 likes - added 7 years ago

This classic matchstick/toothpick puzzle is making the rounds because it is supposedly "extremely hard" for adults. Can you make 3 squares by moving 3 matchsticks? You cannot break any of the sticks, the resulting squares must be of equal size, and each t
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05:37
The Hardest Mandelbrot Zoom in 2017 - New record, 750 000 000 iterations!

539 views / 1 likes - added 3 years ago

A Mandelbrot is a mathematical formula that can be represented mathematically as:The Mandelbrot set can be explained with the equation zn+1 = zn2 + c. In that equation, c and z are complex numbers and n is zero or a positive integer (natural number). Star
03:25 Popular
Why Do Dogs Tilt Their Heads?

1,226 views / 3 likes - added 8 years ago

Is this adorable behavior rooted in sensory necessity or purposeful gesticulation? We explore what may be the cutest research ever. Learn more at HowStuffWorks.com: http://animals.howstuffworks.com/pets... Share on Facebook: Share on Twitter: Subscribe: h
06:02
What If Ice Did Not Float? - Periodic Table Of Videos

490 views / 0 likes - added 9 years ago

The Professor muses on a world in which ice sinks to the bottom!? See also what if the universe is just a computer simulation: http://www.youtube.com/watch?v=YOxDb_BbXzU Made to coincide with YouTube's Geek Week. More chemistry at http://www.periodicvideo
05:43 Popular
Sodium V Water (slow Motion) - Periodic Table Of Videos

1,046 views / 0 likes - added 9 years ago

A water droplet lands on a piece of molten sodium - you know the rest! Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitt
06:49 Popular
Gold Bullion Vault - Periodic Table Of Videos

884 views / 1 likes - added 9 years ago

We're INSIDE a Gold Bullion Vault. The Bank of England protects about £197 billion ($315bn) worth of gold, according to the mostly recently published figures. Film by Brady Haran. Featuring Professor Martyn Poliakoff. The vaults are off limits, but the Ba
07:49 Popular
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

1,079 views / 0 likes - added 7 years ago

This problem has been shared millions of times on Twitter/Facebook with the claim "99% fail" to solve it and that only a genius could find the correct answer. If 9 = 72, 8 = 56, 7 = 42, 6 = 30, 5 = 20, then 3 = ? In this video I explain what many people b
08:25
English vs. German vs. Dutch vs. Afrikaans | West Germanic Language Comparison

305 views / 0 likes - added 1 year ago

Is Afrikaans similar to Dutch? How similar are German and English? Let's compare four of the most spoken Germanic languages - English vs. German vs. Dutch vs. Afrikaans. This Germanic language comparison will help you understand the difference in spelling
06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained

11.8k views / 1 likes - added 7 years ago

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video presents what
01:15
Lighting A Splint (slow Motion) - Periodic Table Of Videos

505 views / 0 likes - added 9 years ago

Just a quick one, but one of Professor Pete Licence's favourite reactions - a glowing splint lights in Oxygen. (yes, Professor!) More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitte
05:31
In The Footsteps Of Tizard - Periodic Table Of Videos

562 views / 0 likes - added 9 years ago

Prof T-shirts: http://dftba.com/product/14y/The-Professor-Shirt The Professor discusses the life and work of war-time chemist Henry Tizard - who went to the same school as him! The duo went to Westminster School. More chemistry at http://www.periodicvideo
09:09
The Impossible Hugeness of Deep Time

361 views / 0 likes - added 5 years ago

You can learn more at https://curiositystream.com/smart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Humans have a hard time with really big numbers, especially when it comes to DEEP TIME. The history
04:03
How Do Sunflowers Face The Sun?

409 views / 0 likes - added 3 years ago

Young sunflowers face the sun when it rises in the east and then track its motion in the sky throughout the day till it sets in the west in the evening. The process repeats the next day, as sunflowers return to their starting position, i.e. facing east. A
03:29
Meet the Man Protecting Venezuela’s Eagles

618 views / 0 likes - added 6 years ago

Alexander Blanco Márquez is a veterinary doctor going to great heights to save the harpy eagles of Venezuela. As victims of poaching and deforestation, these beautiful birds have been diminishing in numbers over the years. Watching their species destroyed
09:53 Popular
Radon - Periodic Table Of Videos

737 views / 0 likes - added 9 years ago

Here is a new video from us about Radon, including a look at a historic letter and a German cloud chamber! With thanks to the Royal Society and GSI. For those with annotations, the caption at the end for Radon should clearly be Rn, not Ra - sorry! More ch
11:13 Popular
Redox Reactions: Crash Course Chemistry #10

1,135 views / 0 likes - added 9 years ago

All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from atom to atom, they c
12:32
How They Found The World's Biggest Prime Number - Numberphile

599 views / 0 likes - added 8 years ago

Featuring Matt Parker... See part one at: https://youtu.be/tlpYjrbujG0 Part three on Numberphile2: https://youtu.be/jNXAMBvYe-Y Matt's interview with Curtis Cooper: https://youtu.be/q5ozBnrd5Zc The previous record: https://youtu.be/QSEKzFGpCQs Mersenne Nu
08:09
Chemistry Dubstep (behind The Scenes)

598 views / 0 likes - added 9 years ago

How Dave and Adam created out chemistry dusbtep video - see the main video at http://www.youtube.com/watch?v=TcvZL6fx-lU Visit Dave and Adam's channel at: http://bit.ly/boyinaband More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at h
02:09 Popular
Brush Teeth Song | BRAND NEW! | Little Baby Bum Nursery Rhymes & Kids Songs | Songs for Children

2,544 views / 1 likes - added 5 years ago

SUBSCRIBE for new videos every week!►https://www.youtube.com/user/LittleBabyBum?sub_confirmation=1 Songs About Numbers, ABC's and shapes: https://www.youtube.com/watch?v=wwdqK_XNBNM&list=PL0VE_cI7-AYRotjbI1cGFg8zscyzgFClS LBB TV: https://www.youtube.com/w
04:53 Popular
Old Movie Stars Dance to Uptown Funk

818 views / 0 likes - added 5 years ago

If you like this video, please support these film preservation charities: The British Film Institute, https://goo.gl/iwTkD7 The George Eastman Museum, http://eastman.org/donate The Film Foundation, http://www.film-foundation.org/donation My inspiration ca
07:25 Popular
Can You Solve The Race To December 31 Riddle?

717 views / 0 likes - added 7 years ago

Here's a fun game you can play with another person. The game starts on January 1. Each of two players takes turns calling out another date. The new date has to be a later date in the year with either the same month OR the same day (from January 1, a playe
14:56
How San Francisco erased a neighborhood

389 views / 0 likes - added 4 years ago

A hotel at the heart of San Franciscos housing warsBecome a Video Lab member! http://bit.ly/video-labWith an explosion of tech companies and startups in recent decades, San Francisco has struggled with a massive affordable housing crisis. But the beginnin
03:21 Popular
Can You Solve A Puzzle That Fooled Richard Feynman?

711 views / 0 likes - added 5 years ago

What is the radius of the circle, in simplest terms involving a, b, and c? I read that even the great mind Richard Feynman made a mistake. Watch the video to learn the common mistake and what the correct answer is. Source Feynman story http://web.media.mi
05:48
What Is The Area? "You Should Be Able To Solve This"

509 views / 0 likes - added 5 years ago

Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi
16:21
32 Simple Camping Ideas And Hacks For Your Next Trip

537 views / 1 likes - added 3 years ago

MIND-BLOWING OUTDOOR HACKSHello everyone! If youre the type of person that loves the outdoors and going out on hikes, then you will absolutely love todays video. Weve put together many, many simple yet incredible camping ideas for you to try on your next
12:25
Fantastic Quaternions - Numberphile

503 views / 0 likes - added 8 years ago

Dr James Grime discusses a type of number beyond the complex numbers, and why they are useful. Extra footage: https://youtu.be/ISbJ9S0fzwY NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Number
04:54 Popular
7 Everyday Things You Didn’t Know The Purpose Of | FactoFusion

808 views / 1 likes - added 5 years ago

Here are 7 everyday things you didn't know the purpose of. There are lots of little things in products and items we use in our daily life, that we don't quite pay attention to and hence don't know the use for. But these things are present for a reason and
10:06
We Tried To Make Pizzas With Zero Waste

356 views / 0 likes - added 5 years ago

"Good night, dough babies." Subscribe to Goodful's YouTube channel: https://www.youtube.com/channel/UCEMArgthHuEtX-04qL_8puQ Vegan cheese recipe inspired by Minimalist Baker https://minimalistbaker.com/how-to-make-vegan-parmesan-cheese/ Follow Rie @thedes
01:16
Don’t Mess with the Texas Horned Lizard

655 views / 2 likes - added 6 years ago

This vicious-looking guy is a Texas horned lizard. They’re defensive critters, with the horns to prove it. Frequently preyed upon by other animals, their distinct coloration and ability to inflate or flatten their bodies allow these lizards to hide in pla
03:10
NASA’s Crazy Plan to Send a Space Submarine to Titan

562 views / 0 likes - added 6 years ago

Titan, Saturn’s largest moon, is home to the first lakes discovered beyond Earth, and NASA wants to build a submarine to explore them. Read More: Calm Seas on Saturn's Moon Titan Offer a Smooth Landing for Future Missions https://www.seeker.com/space/plan
00:38 Popular
Sesame Street:“The Best of Elmo 3” Preview

1,001 views / 0 likes - added 9 years ago

It’s all Elmo all the time in this collection of the best moments with everyone’s favorite furry red monster - Elmo! Elmo sings and dances his way through letters, numbers, vocabulary, and emotions with his Sesame Street pals. A few of Elmo's famous frien
13:40 Popular
BEST Way To Play Memory (Card Game) - WIN Using Math

955 views / 0 likes - added 7 years ago

The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game mathematically. You can le
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06:24
Iodine Clock (slow Motion) - Periodic Table Of Videos

581 views / 0 likes - added 9 years ago

See the famous Iodine Clock reaction filmed with a high-speed camera. Explained by Professor Martyn Poliakoff. Also featuring Dr Samantha Tang. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideo
07:38
What's Special About 196?

447 views / 0 likes - added 8 years ago

Free audio book offer: http://www.audible.com/numberphile Dr James Grime delves into the largely unresolved world of Lychrel Numbers? James Grime: https://twitter.com/jamesgrime For audio books by Numberphile stars, go to Audible and search these names; H
03:43 Popular
A Black Friday Carol I Teen Titans Go! I Cartoon Network

750 views / 3 likes - added 8 years ago

The ghost of Black Friday past shows Starfire the true meaning of the holiday. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen Titans GO!: TEEN TITANS GO! is a comedy featuring the beloved DC he
01:31 Popular
All blue-eyed people have a single ancestor in common

1,360 views / 0 likes - added 6 years ago

New research shows that all blue-eyed people share a common ancestor. This person lived more than 6,000 years ago and carried a genetic mutation that has now spread across the world. The exact cause remains to be determined, but scientists do know that ey
03:17
Can YOU Solve It? This Question Stumped 75% Of PhD Economists

610 views / 0 likes - added 7 years ago

Introductory economics courses cover the concept of an opportunity cost. Can you figure out the opportunity cost for the problem in the video? This video presents a question that surprisingly more than 75% of PhD economists did not answer correctly. Paper
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
03:58
What is the biggest number? | Your Questions | We The Curious

593 views / 0 likes - added 4 years ago

What is the biggest number in the world? Do dreams have a purpose? Nerys and Sarah are back with some of the answers to your questions. Got a question you want answered? Leave it in the comments below!What do you dream about? Do you think it means anythin
09:11 Popular
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

855 views / 0 likes - added 7 years ago

Start with a unit square (a rectangle with both sides equal to 1, call it R1). Attach a rectangle of area 1 to its right side, then attach a rectangle of area 1 to its top. The border of this new shape is another rectangle, call it R2. We can repeat the p
03:48 Popular
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

1,478 views / 0 likes - added 7 years ago

The Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for $216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch
01:43 Popular
NERF Dart Breaks the Sound Barrier, yes really

777 views / 2 likes - added 7 years ago

How fast is the fastest Nerf dart? Will it break the sound barrier? Well... Yes, it does, 2.3 times the speed of sound at standard conditions. Pretty insane... In this episode, I Mythbuster up and measure the speed the dart travels. The hight speed camera
08:05 Popular
Can You Solve The Hardest Easy Geometry Problem?

1,274 views / 1 likes - added 7 years ago

In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you
08:46
Oxygen Gas Is NOT Flammable !?!?

684 views / 0 likes - added 6 years ago

SUBSCRIBE!: http://bit.ly/1G97GmA SHARE THIS VIDEO: https://youtu.be/n_t7CIf0Svs Sometimes in science you think you know exactly what you’re talking about, others not at all! In this experiment we capture Hydrogen gas from adding sodium hydroxide to alumi
04:47
Make Edible Glass Hearts!

368 views / 0 likes - added 3 years ago

Glass is really cool, but where does it come from? Jessi and Squeaks have a pretty sweet activity to show you how glass is made----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you have
05:57 Popular
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

1,131 views / 1 likes - added 7 years ago

This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad
06:40
Barking Dog (slow Motion) - Periodic Table Of Videos

667 views / 0 likes - added 9 years ago

Barking Dog reaction at 3000 frames per second. More about filming & editing this video: http://youtu.be/vfKUG11FKGE The Barking Dog is combustion of nirous oxide (laughing gas) and sulfur dioxide. This video features Martyn Poliakoff, Pete Licence and Da
03:51 Popular
Can You Solve This MIT Admissions Question? Geometry Problem, 1869

951 views / 0 likes - added 7 years ago

The Massachusetts Institute of Technology (MIT) is one of the top ranked universities in the world. This question appeared on its admissions exam nearly 150 years ago. "The perpendicular dropped from the vertex of the right angle upon the hypotenuse divid
18:55
4.669 - Numberphile

494 views / 0 likes - added 7 years ago

Binge on learning at The Great Courses Plus: http://ow.ly/Z5yR307LfxY The Feigenbaum Constant and Logistic Map - featuring Ben Sparks. Ben Sparks: https://twitter.com/SparksMaths Random numbers: https://youtu.be/SxP30euw3-0 Mandelbrot Set: https://youtu.b
06:24
Can You Solve The Missing Sock Puzzle?

619 views / 0 likes - added 7 years ago

A statistician keeps a simple wardrobe. He only purchases pairs of black socks and white socks, and he keeps all of the socks in a pile in the drawer. Recently one of the socks was lost in the laundry. The socks have a mathematical property. If you select
09:03
Seaborgium - Periodic Table Of Videos

578 views / 0 likes - added 9 years ago

We're at Berkeley for filming of a new video about Seaborgium - a synthetic element named after the legendary Glenn Seaborg. With thanks to Darleane Hoffman and Alexander Pines at the University of California, Berkeley, and to the Lawrence Berkeley Nation
02:51 Popular
The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

1,728 views / 2 likes - added 7 years ago

A lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:
11:27 Popular
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained

3,056 views / 1 likes - added 7 years ago

If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I present what many
03:16 Popular
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

1,004 views / 0 likes - added 7 years ago

What is angle A in the star-shaped figure? This problem appeared on the 1999 AMC 8 test (intended for 8th grade students in the US). Approximately 75% of test-takers did not mark the correct response. Can you figure it out? Watch the video for a solution.
07:09
Iridium - Periodic Table Of Videos

512 views / 0 likes - added 9 years ago

Up close with some big samples of real Iridium. Our thanks to Johnson Matthey. See all the elements at http://bit.ly/118elements Naming Iridium: http://www.youtube.com/watch?v=fe6SjQRzxZQ Gold Vault: http://www.youtube.com/watch?v=CTtf5s2HFkA More chemist
05:26
Can You Solve The Red Ball Lottery Puzzle?

673 views / 0 likes - added 7 years ago

(Same video without the music: https://youtu.be/sz5oLEpc8xE) This problem involves 100 red balls, 100 blue balls, and 2 urns. First you distribute all the balls between the 2 urns, placing at least 1 ball in each urn. Next, you select an urn at random, an
08:24 Popular
Double-Sided Flicker X Boomerang - Origami

1,489 views / 3 likes - added 4 years ago

[Rather Easy] How to fold an origami X-shaped Flicker that flies well and can boomerang if you throw it at the correct angle. It could also be called a Red Cross Flicker, Addition Flicker, Propeller Flicker, Helicopter Flicker or any other name that you l
13:11
The Country That Doesn't Exist - Transnistria

493 views / 0 likes - added 4 years ago

Welcome to the post-soviet country in Europe that doesn't exist. On the border of Moldova and Ukraine sits the breakaway Republic of Transnistria - a country that isn't recognised by any sovereign state in the world. Thanks to Soviet Wastelands for the ep
05:46
Neptunium - Periodic Table Of Videos

561 views / 0 likes - added 9 years ago

We get a close-up look at Neptunium during a visit to the National Nuclear Laboratory at Sellafield. This video features Mark Sarsfield from NNL - and periodicvideos regulars Steve Liddle and Martyn Poliakoff from the University of Nottingham. With thanks
03:22 Popular
How Lions Say Hello | The Lion Whisperer

959 views / 2 likes - added 6 years ago

This year marks 2 DECADES of Kevin's relationships with the lions. Here are some highlights of how the good friends say hello! Subscribe here: http://bit.ly/LionWhispererTV and help #SaveLions Website: http://www.lionwhisperer.co.za Twitter: https://twitt
12:59 Popular
20 GORGEOUS AND EASY DIY FLOWERS FOR YOUR MOM

748 views / 0 likes - added 6 years ago

These are gorgeous and easy DIY flowers for your Mom! This video is all about the flowers, whether the real or fake ones!These flower ideas are extremely creative and fun! You can make beautiful floral prints for your clothes, floral letters and numbers f
09:52 Popular
Boiling Water - Periodic Table Of Videos

1,087 views / 0 likes - added 9 years ago

Original Everest video: http://www.youtube.com/watch?v=JTL4dj3Gx1o This video features Martyn Poliakoff, Samantha Tang and Neil Barnes. Thanks to Buddhi Rai and Chandra Rai for all theri help with the Everest boiling. More chemistry at http://www.periodic
03:44
Something Special About 399 (and 2015) - Numberphile

627 views / 0 likes - added 9 years ago

It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland. More about Ed's real work: http://bit.ly/CopelandGoesLong With thanks to these Patreon supporters: Herschal Sanders (from Susan) Today I Found Out Lê OK Merli Alex Bozzi Thomas J Petersen
07:21 Popular
Can You Solve The Magical Pond Puzzle?

1,036 views / 1 likes - added 7 years ago

(Same video with music: https://youtu.be/nF-Gpk0ZpRk) You visit a shrine that has 3 temples. Before each temple, you have to swim in a magical pond. Your path is pond-temple1-pond-temple2-pond-temple 3. Each time you swim, the pond magically triples the n
02:37 Popular
Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?

800 views / 0 likes - added 7 years ago

How hard are math tests? A survey asked 2,000 UK adults to answer sample GCSE test questions intended for 15 year old students. On average, the survey questions were missed by about 40% of adults. Can you solve them? The video presents 2 questions that ma
03:09
Can You Solve The Marriage Logic Problem? 80% Fail

680 views / 0 likes - added 7 years ago

Surveys have found 80 percent get this logic problem wrong. Alice is looking at Bob, and Bob is looking at Charlie. Alice is married; Charlie is not. Is a married person looking at an unmarried person? Answer choices are A) Yes, B) No, and C) Cannot be de
04:13 Popular
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

911 views / 0 likes - added 7 years ago

A marshmallow has the shape of a cylinder with diameter 5 and height 3. A dessert is made with 24 marshmallows: there are two stacked layers of marshmallows, and each layer has 3 rows of 4 marshmallows. The gaps between the marshmallows are filled with ch
1:12:01 Popular
"Baby Star" Colors for Children to Learn with Songs, Shapes, ABCs & Nursery Rhymes by Busy Beavers

1,319 views / 0 likes - added 7 years ago

Learn Colours, Shapes, ABCs & More in this Children's Compilation of Songs & Lessons by Busy Beavers. Our Catchy Songs & Colorful Animation Make Education So Much Fun Kids' Forget they're Learning. Super Circus 3D Color Cars Jump (Red Car) 00:04 The Bus i
13:15
The Problem Newton Got Wrong

389 views / 0 likes - added 3 years ago

Watch my newest video, "Could a Toothpaste Sandwich Brush Your Teeth?": https://youtu.be/OdeiWhETqQYGo to https://buyraycon.com/vsauce2 for 15% off your order!Brought to you by Raycon.Isaac Newton was right about everything from gravity to the calculus, b
09:56
How To Make No-Bake Pudding Bars With Your Family From Hannah Williams Tasty

354 views / 1 likes - added 4 years ago

Join Hannah and her family as they make no-bake pudding bars at home! The perfect way to spend time with your kids.Shop Tasty's Choco Mocha No-Bake Desserts: http://bzfd.it/ChocoMoTreatShop Tasty's Confetti Cake No-Bake Desserts http://bzfd.it/FettiTreat
02:57 Popular
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

1,099 views / 0 likes - added 7 years ago

In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an intuitive solution. Techn
07:33
Why Zero-Waste Grocery Shopping Matters | One Small Step | NowThis

389 views / 1 likes - added 4 years ago

Shopping for food can be one of the most wasteful parts of our lives here are some tips and tricks for going waste-free at the grocery store. Subscribe to NowThis Future: https://go.nowth.is/Future_SubscribeAccording to the EPA, 23% of the trash Americans
02:29 Popular
Preserving Prehistoric Lizards With the Iguana King

814 views / 2 likes - added 6 years ago

We’ve all met a crazy cat lady or maybe a neighbor with an insane collection of pet turtles. Now, let us introduce you to Ramón Medina Archundia: the iguana guy. Archundia loves iguanas so much that he fosters hundreds of them in his front yard in Manzani
04:39
Famous Science Spectacles - Periodic Table Of Videos

528 views / 0 likes - added 9 years ago

Joseph Priestley made a famous discovery - but it seems his eyesight wasn't too good? Royal Society (Romantic Chemistry Exhibition until June 14): http://royalsociety.org/events/2012/romantic-chemistry/ Professor Martyn Poliakoff is Foreign Secretary of t
03:54 Popular
What's The Best Soup Can Size? The Optimal Cylinder Puzzle

802 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
05:15
Gumball | The Butterfly Effect | Cartoon Network

648 views / 0 likes - added 5 years ago

Gumball learns the true meaning of The Butterfly Effect. ► Subscribe to The Amazing World of Gumball - http://bit.ly/2gjL91J Follow us for all the latest Gumball news! ► Website - http://www.theamazingworldofgumball.com/ ► Facebook - http://bit.ly/2foqTcO
06:39
New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile

598 views / 0 likes - added 8 years ago

Matt Parker on the latest Mersenne Prime to take the title of "world's biggest prime". He had it printed! More from this interview very soon, including details of how the prime was found. PART TWO: https://youtu.be/lEvXcTYqtKU PART THREE on Numberphile2:
13:01 Popular
12 BEST DIY MOTHER'S DAY GIFT IDEAS

882 views / 1 likes - added 6 years ago

Check out these amazing Mother's Day gift ideas! This video is all about the flowers, whether the real or fake ones!These flower ideas are extremely creative and fun! You can make beautiful floral prints for your clothes, floral letters and numbers for ro
01:46
Red-Hot Platinum Ingot - Periodic Table Of Videos

622 views / 0 likes - added 9 years ago

Casting a 4kg platinum ingot. It's worth... well, that depends on today's platinum price! More from our visit: https://www.youtube.com/watch?v=Fg2WzCzKpYU Subscribe to computerphile - http://bit.ly/XqEDYi Filmed at Johnson Matthey - our thanks to them. Mo
07:40 Popular
Can You Solve The 21 Flags Game From Survivor?

892 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
1:12:01 Popular
Color Songs Collection Vol. 2 | Learn Colors, Teach Colours, Baby Toddler Preschool Nursery Rhymes

1,541 views / 1 likes - added 7 years ago

Toddlers will Learn Colors, Shapes, The Alphabet, Counting, Nursery Rhymes & More with this Long-Play Busy Beavers Collection. Children Love Our Catchy Songs & Cute Characters but the Best Thing about Busy Beavers is that Kids have so Much Fun they don't
06:20
Simulated Mars landing

656 views / 0 likes - added 7 years ago

For the European Space Agency (ESA), tomorrow will hold a nerve-shredding 6 minutes. At 14:42 local time, the agency’s Mars lander Schiaparelli will begin its furious descent through the Red Planet’s thin atmosphere. Six minutes later, mission managers wi
02:41 Popular
Saving South America’s Only Bear Species

901 views / 0 likes - added 8 years ago

The Andean bear, also known as the spectacled bear, is sometimes called the Paddington bear, after the fictional bear in children's books written by Michael Bond. The spectacled bear is the only bear species in South America, and its numbers are dwindling
04:45
Improve Your Memory: A 4 Minute Guide

479 views / 0 likes - added 6 years ago

Do you feel like you have a bad memory? This short video will guide you through strategies to improve your memory, so you don't forget your significant other's birthday again. Following is a transcript of the video. Jessica Orwig: We all wish we were bett
03:14
Why So Many Fast Food Logos Are One Color

604 views / 1 likes - added 6 years ago

McDonald's. Arby's. Wendy's. Burger King. Jack in the Box. In-N-Out and more all use the color red heavily in their logos, why? The answer goes back thousands of years. Tech Insider tells you all you need to know about tech: gadgets, how-to's, gaming, sci
01:51 Popular
The Skip Counting by 8 Song | Silly School Songs

1,130 views / 2 likes - added 3 years ago

Kids will have a blast learning how to skip count by 8 with this fun and upbeat song! For more music and information, visit http://sillyschoolsongs.com. Thanks for watching!Lyrics:We're learning how to skip count by 8We want you to participateWe're learni
03:08
What Can You Do RIGHT NOW To Save The Earth?

542 views / 1 likes - added 6 years ago

Our climate is changing drastically and quickly, so what steps can YOU take to stop it today? Seeing this film is taking action, get tickets to see it in select theaters now & everywhere Aug. 4th: https://fandan.co/2ucigMW #BeInconvenient Support Life Nog
04:55 Popular
Can Plastic Be Composted?

779 views / 0 likes - added 5 years ago

Thanks to the demands of eco-conscious consumers, biodegradable and compostable plastics are cropping up everywhere. Are these green plastics the solution to our throwaway lifestyle? Well -- it’s complicated. Subscribe! http://bit.ly/ACSReactions Facebook
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08:51 Popular
The Viral Balloon Puzzle - The REAL Answer Explained (Using Ph.D. Level Math)

772 views / 0 likes - added 5 years ago

They say only geniuses can solve this puzzle, and this time they are correct. Thanks to all patrons! Special thanks to: Shrihari Puranik Yildiz Kabaran Kyle My blog post for this video https://wp.me/p6aMk-82U Sources https://puzzling.stackexchange.com/que
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You'll Feel Tiny Seeing True Size of the Universe

319 views / 0 likes - added 3 years ago

When you learn facts about the solar system and universe, you get all these unimaginable numbers. Millions and billions of light-years! It's hard to really take it all in. So let's scale things waaay down. The Earth is now the size of a grain of sand, and
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Large Gaps between Primes - Numberphile

476 views / 0 likes - added 6 years ago

James Maynard on discoveries about large gaps between prime numbers. More links & stuff in full description below ↓↓↓ More Maynard videos: http://bit.ly/JamesMaynard Prime Playlist: http://bit.ly/primevids The 20 August paper: https://arxiv.org/abs/1408.4
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Old School Professor - Periodic Table Of Videos

611 views / 0 likes - added 9 years ago

Professor Martyn Poliakoff visits Westminster School, where he scored 6 out of 10 on his first chemistry experiment! The Prof gave the annual Tizard Lecture. More at: http://www.youtube.com/watch?v=4CK4WHElb4Q Here is his Nyholm Lecture: http://www.youtub
08:29 Popular
The Uncracked Problem With 33 - Numberphile

712 views / 0 likes - added 8 years ago

33 is the lowest unsolved problem in the world of "summing three cubes". But 30 was also a tough nut to crack! Featuring Tim Browning from the University of Bristol. Taxi Cab Numbers: https://youtu.be/LzjaDKVC4iY Fermat's Last Theorem: https://youtu.be/qi
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Here's what you can do to help protect the planet in light of Earth Day | Nightly News: Kids Edition

107 views / 0 likes - added 1 year ago

We are celebrating planet Earth! We explain the meaning behind Earth Day and what you can do to help protect the planet. Including: composting! Meet the students who are turning garbage into garden gold in a win-win for the environment. Then, we talk abou
08:56 Popular
How America became a superpower

801 views / 0 likes - added 7 years ago

From a colony to a superpower in 200 years. Subscribe to our channel! http://goo.gl/0bsAjO 2:07 Correction: Cuba seceded from the US in 1902. With over 800 military bases around the globe, the US is easily the most powerful nation on earth. But it wasn't
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Water Boiling At Everest - Periodic Table Of Videos

545 views / 0 likes - added 9 years ago

Boiling water at various altitudes on the trek from Lukla to Everest Base Camp. Part Two: https://youtu.be/sCh2T9axLyY Nepal Flag: http://bit.ly/10G3Ef3 Everest 8848: http://bit.ly/11ilGvs More scenic clips from Brady's trip: http://bit.ly/12di1M8 Special
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How Close Are We to a Complete Tree of Life?

321 views / 0 likes - added 4 years ago

Nearly 90% of all life on Earth is unaccounted for, but how close are we to discovering all life on Earth before it disappears? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close Are We | http://bit.ly/HCAWplaylist Follow Olivia on In
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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05:52 Popular
Can You Solve The "MEANEST" SAT Test Question Ever?

705 views / 0 likes - added 5 years ago

On the SAT exam, you have about 2 minutes to read and solve each math question. This one about averages can send you in a loop, unless you approach it systematically. In the video I also explain a shortcut to help you solve this type of problem quickly. S
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Meet the microbes that could eat your trash - Tierney Thys and Christian Sardet

158 views / 0 likes - added 1 year ago

Explore the possibility of plastivores organisms that can eat and break down plastic helping reduce the plastic waste on Earth.--Each year humanity produces roughly 400 million tons of plastic, 80% of which is discarded as trash. Of that plastic waste, on
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Palladium - Periodic Table Of Videos

510 views / 0 likes - added 9 years ago

For our updated Palladium video, we are mining the Royal Society archives for the story of its discovery - a tale of money, an asteroid and stolen samples? The discovery was made by William Hyde Wollaston. Royal Society (Romantic Chemistry Exhibition unti
02:41 Popular
Watch a Piano Talk by Playing it!

721 views / 0 likes - added 7 years ago

A "speaking piano" reciting the Proclamation of the European Environmental Criminal Court at World Venice Forum 2009. Unfortunately it's all in German, but what the piano says is all English, and it's really neat to watch. UPDATE: Astera on hackaday wrote
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16:30
HOW FAST DID MOZART AND BEETHOVEN REALLY GET PLAYED ?

605 views / 0 likes - added 6 years ago

Fasten your seatbelts. Beethoven, Czerny, Moscheles, Chopin, the 18th c. French composers and theoretics, they left us tens of thousands exact indications of how fast they wanted us to play their music. And yet, today, almost nobody takes that seriously.
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The Big Problem With The North Pole

457 views / 2 likes - added 5 years ago

There's something not quite right with the North Pole.... Santa Claus Voiced by Sam Bashor‬ https://www.youtube.com/channel/UCnhFudM67-ycGVx8P9Ss37A Watch more: Why Do You Get Sick When It's Cold? - Dear Blocko #9 ►►https://www.youtube.com/watch?v=1mt5nvW
12:34 Popular
LET'S GO FISHING GAME Surprise Eggs Opening Toys Family Fun Activity for Kids Learn Colors

1,973 views / 3 likes - added 7 years ago

Ryan and his mom are playing Let's go fishing game! The winner of this family fun activity will get Eggs Surprise Minions, Disney Marvel Avengers Egg, and Paw Patrol Egg! Great Kids Video to learn colors for kids and baby! Kids can collect all the fish, o
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23 CHEAP RECYCLED CRAFTS FOR CHILDREN

636 views / 0 likes - added 5 years ago

RECYCLING FOR KIDS Just take a look around you! Old towels, toilet paper roll, plastic bags, plastic bottles, broken crayons, empty containers and old clothing...Do you think I'm digging in the dumpster right now? Nah, I'm just listing things you can recy
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Come take a ride on the cutest bus route in the country | Nightly News: Kids Edition

105 views / 0 likes - added 1 year ago

Winter guide: How to layer up, keep warm and stay active when its cold outside. Lunar New Year! People of all ages celebrate this holiday around the world. We explain the meaning behind the year of the rabbit! NBA star Chris Paul has a new project just fo
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How Close Are We to Reinventing Plastic?

433 views / 0 likes - added 4 years ago

Our dependence on plastic is so extreme that we have microplastics not only floating through the ocean, but also in the atmosphere, in our food, and in our bodies. So how close are we to reinventing plastic? Subscribe to Seeker! http://bit.ly/subscribesee
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What Happens When You're In A Coma?

573 views / 0 likes - added 8 years ago

The word coma comes from the greek meaning of “deep sleep,” but what exactly does this unconscious state do to your brain? Can A Brain Injury Make You a Genius? ►►►► http://bit.ly/1H7EgWg Read More: How Comas Work http://science.howstuffworks.com/life/ins
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Why You Should Turn Your Lawn Into a Food Garden | One Small Step | NowThis

361 views / 0 likes - added 4 years ago

Americans use roughly 7 billion gallons of water a day to irrigate lawns making lawns the single largest irrigated crop in the country. What if instead of well-kept grass, we used our time and resources to fill our lawns with fruit and vegetables? Subscri
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Robot Ant Swarms Have Arrived!

243 views / 1 likes - added 3 years ago

Robot design commonly mimics the abilities of their human creators, but some researchers have been inspired by a possibly unexpected creature: an ant.Hosted by: Michael ArandaSciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at htt
01:30 Popular
The Skip Counting by 2 Song | Silly School Songs

2,477 views / 2 likes - added 3 years ago

Learn how to skip count by 2 with this fun and easy-to-remember song. Have a blast!Visit http://sillyschoolsongs.com/ for more music and info!Lyrics:This silly song is just for youWhen you're learning how to skip count by 2sSkip one number in betweenAnd w
01:16 Popular
The Skip Counting by 10 Song | Silly School Songs

1,387 views / 2 likes - added 3 years ago

This skip counting by 10 song will get you moving! Count by 10s to 100 with this fun and easy-to-remember tune. For more info and music, visit http://sillyschoolsongs.comLyrics:10, 20, 30, 40, 50, 60, 70, 80, 90, 100Counting by 10s10, 20, 30, 40, 50, 60,
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25 AMAZING DIY TOY IDEAS

671 views / 0 likes - added 5 years ago

BARBIE IDEAS AND HACKS FOR CHILDREN Do you want to learn how to make DIY toys and stop buying expensive toys in shops? And do you want to make your Barbie the happiest doll in the world? It's not as difficult as you think. In this life hack video for kids
02:09 Popular
The Skip Counting by 9 Song | Silly School Songs

906 views / 0 likes - added 3 years ago

Kids will have a blast learning how to skip count by 9 with this fun and catchy tune. For more music and information, please visit http://sillyschoolsongs.com. Lyrics:I love to count by 9I do it all the timeIt's pretty simple once you've got it in your mi
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The Little-Known Truth Behind Raising Cane's Chicken Fingers

452 views / 0 likes - added 3 years ago

Whether or not you've been to a Raising Cane's Chicken Fingers, you've probably heard of the fast-growing chain, their tasty chicken, and their much-loved sauce. But no matter how many times you've feasted on their offerings, you probably don't know every
07:21
Mercury And Relativity - Periodic Table Of Videos

600 views / 2 likes - added 9 years ago

A new paper discusses how relativity plays a role in Mercury's low melting point. Planet Mercury (Sixty Symbols): http://youtu.be/rZU8Y9DIBtI Copernicium: http://youtu.be/fqCdP9Uw5vo Gallium: http://youtu.be/N6ccRvKKwZQ Gold Vault :http://youtu.be/CTtf5s2
05:17 Popular
How Much Does It Cost To Run For President?

6,196 views / 0 likes - added 7 years ago

There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? Learn more at HowStuffWorks.com: http://people.howstuffworks.com/president.htm Sha
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06:28
Inside the Illegal Songbird Trade in Indonesia

253 views / 0 likes - added 3 years ago

There are few birds more colorful or with a more beautiful song than the Javan green magpie. Unfortunately, this beauty has led the birds to be captured and sold illegally into the songbird trade in Indonesia for singing competitions or as pets. Conservat
04:37
Why knights fought snails in medieval art

660 views / 0 likes - added 7 years ago

Look in the margins of medieval books and you'll find an unusual theme: knights vs. snails. Vox's Phil Edwards investigated why in this episode of Vox Almanac... Lillian Randall's paper is here: https://www.scribd.com/document/263159779/The-Snail-in-Gothi
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How to Make the Perfect Pancake | Light and Fluffy Pancake

254 views / 0 likes - added 2 years ago

We’re talking pancakes, the perfect pancake folks. We’ve got the tips and tricks to make the lightest and fluffiest pancakes you’ve ever had. #pancakerecipe #pancakes #howtomakepancakes Printable recipe below! Stay in touch with more rec
02:25 Popular
Was There a Universe Here Before Ours? The Big Bang vs the Big Bounce

825 views / 1 likes - added 6 years ago

The universe might’ve started with a bounce instead of a bang, but what exactly would this bouncing universe look like? These New Black Holes Challenge Our Theories of Galactic Evolution - https://youtu.be/W60OqAbtv3U Read More: Physicists Just Showed Tha
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Einsteinium - Periodic Table of Videos

215 views / 0 likes - added 2 years ago

A new video about the element Einsteinium.Videos on all 118 elements: http://bit.ly/118elementsMore links and info in full description More reading:The New Elements Einsteinium and Fermium, Atomic Numbers 99 and 100: https://escholarship.org/uc/item/70q40
03:02 Popular
Why These Planes Don't Need Pilots

714 views / 0 likes - added 8 years ago

Did you know radio controlled aircrafts date back to World War II? How much have these planes changed since their inception? Read More: Almost 1 In 3 U.S. Warplanes Is a Robot http://www.wired.com/2012/01/drone-report/ “Remember when the military actually
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24:23
The First Computer Program

449 views / 1 likes - added 3 years ago

Ada's famous paper - Sketch of the Analytical Engine: http://www.fourmilab.ch/babbage/sketch.htmlDiagram for the computation of Bernoulli numbers: https://commons.wikimedia.org/wiki/File:Diagram_for_the_computation_of_Bernoulli_numbers.jpgTimestamps:0:00
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Musket Firing (slow Motion) - Periodic Table Of Videos

554 views / 0 likes - added 9 years ago

Firing a (very old) musket and filming with a (very new) high-speed camera. With thanks to Jim Gamble. Also discussed by Professor Martyn Poliakoff. Ebay auction has ended. Music courtesy of Henrik 'Appe' Johansson. More chemistry at http://www.periodicvi
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What Is Zero? Getting Something From Nothing - With Hannah Fry

568 views / 1 likes - added 8 years ago

Is zero really a number? How did it come about? Hannah Fry tells the story of how zero went from nothing to something. Subscribe to our channel for weekly science lectures and short films: http://bit.ly/RiSubscRibe Help translate this film: http://www.you
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11:50 Popular
The Golden Angle - Christmas Lectures with Ian Stewart

990 views / 0 likes - added 5 years ago

Thr golden angle is a mathematical concept, closely related to the golden ratio and Fibonacci numbers. Where can you find it and how is it formed? Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lecture: http://www.rigb.org/

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