Search Results: "Category theory"
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00:44
Count By Category  Counting  Early Math  Khan Academy
291 views / 0 likes  addedLearn to count the number of things in different categories. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathcountingtopic/ccearlymathcomparingnumbers/e/sortgroupsbycount?utm_so

02:12
ALBERT EINSTEIN'S THEORY OF HAPPINESS
264 views / 0 likes  addedDID YOU KNOW THAT ALBERT EINSTEIN HAD A SECRET THEORY ABOUT HAPPINESS? His theory written on a piece of paper just sold for 1.5 million dollars! But even he would have probably disapproved of this sale. Check out his theory here and choose happiness today

04:04
The Quest for the Ultimate Theory
57 views / 0 likes  addedTune in and join the conversation during the premiere of "Loose Ends: String Theory and the Quest for the Ultimate Theory" on Friday, August 2nd at 8pm EST.Thirtyfive years ago string theory took physics by storm, promising the coveted unified theory of

08:03
Cell Theory
283 views / 1 likes  addedIntroduction to cell theorythe idea that 1) all living things are made of one or more cells, 2) cells are the basic unit of life and 3) all cells come from other cells. Explore the roles that Hooke, Leeuwenhoek and others played in developing Cell Theor

05:12
What’s The Difference Between A Scientific Law And Theory?  Matt Anticole
324 views / 3 likes  addedView full lesson: http://ed.ted.com/lessons/whatsthedifferencebetweenascientificlawandtheorymattanticole Chat with a friend about an established scientific theory, and she might reply, “Well, that’s just a theory.” But a conversation about an e
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19:10
String Theory  Brian Greene
246 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/briangreeneonstringtheory Physicist Brian Greene explains superstring theory, the idea that miniscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. Talk by Bri

07:04
Stephen Hawking's Final Theory on the Origin of the Universe
206 views / 0 likes  addedStephen Hawking's Final Theory on the Origin of the Universe Has Just Been Published, in collaboration with Thomas Hertog. Here Hertog briefly explains their theory Stephen Hawking's Final Theory on the Origin of the Universe Has Just Been Published, in c

05:52
Could Everything We Know About String Theory Be Wrong?
168 views / 0 likes  addedIt’s been 50 years since string theory was first proposed, but now some new research could call it all into question. WTF is Quantum Retrocausality? (ft. Physics Girl)  https://youtu.be/5hYBeFNSv2o Read More: String Theory May Create Far Fewer Universes

06:12
The wacky history of cell theory  Lauren RoyalWoods
314 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/thewackyhistoryofcelltheory Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the found
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12:58
What’s Wrong With The Big Bang Theory?  Space Time  PBS Digital Studios
223 views / 0 likes  addedThere's a problem with the Big Bang Theory. Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbss

09:39
Natural Law Theory: Crash Course Philosophy #34
266 views / 0 likes  addedOur exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason

16:18
Albert Einstein's Theory of Relativity
144 views / 0 likes  addedEasy to understand animation explaining all of Einstein's Theory. Covers both Special Relativity and General Relativity.

04:37
Group Theory 101: How To Play A Rubik’s Cube Like A Piano  Michael Staff
549 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/grouptheory101howtoplayarubikscubelikeapianomichaelstaff Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music

03:44
An Unusual Way To Prove Einstein's Theory Of Relativity
262 views / 0 likes  addedWhen rockets misfire their payloads, scientists use the misplaced satellites to prove the Theory of Relativity. How do they do it? How GPS Works ►►►► http://dne.ws/1N6wX3V Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Wayw

03:55
This Theory Suggests Our Perspective of Galaxies Could Be Wrong
85 views / 0 likes  addedOur perspective from Earth could be distorting our understanding of space. Here’s what you need to know about the theory of AGN unification. What Really Happens When Galaxies Collide  https://youtu.be/eWqETkudZXo Read More: Why It’s Hard to Recognize a B

09:22
Aristotle & Virtue Theory: Crash Course Philosophy #38
414 views / 0 likes  addedThis week we explore final ethical theory in this unit: Aristotle’s virtue theory. Hank explains the Golden Mean, and how it exists as the midpoint between vices of excess and deficiency. We’ll also discuss moral exemplars, and introduce the concept of “e

07:12
Theory Vs. Hypothesis Vs. Law… Explained!
356 views / 0 likes  addedThink you know the difference? Tweet ⇒ http://bit.ly/OKTBStheory Share on FB ⇒ http://bit.ly/theoryFB ↓ More info and sources below ↓ Some people try to attack things like evolution by natural selection and manmade climate change by saying “Oh, that’s ju

01:40
Theory of Everything (intro)
138 views / 0 likes  addedA brief intro to the current theory of (almost) everything  the Standard Model of particle physics. It's like cake, only universal. minutephysics is now on Google+  http://bit.ly/qzEwc6 And facebook  http://facebook.com/minutephysics And twitter  @min

02:19
Theory of Everything: What is Matter?
127 views / 0 likes  addedWhat is matter, anyway? What does it have to do with math? And why aren't you made of Jesus? Delving deeper into the theory of (almost) everything  the Standard Model of particle physics. minutephysics is now on Google+  http://bit.ly/qzEwc6 And faceboo

07:34
Cool Ways to Understand Einstein's Theory of Relativity
377 views / 0 likes  added110 years ago Albert Einstein published a theory that revolutionized the way we think about the universe. In this video I'll show you how to prove its two postulates using easytounderstand realworld experiments, and how even the simplest understanding
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08:01
String Theory Explained – What is The True Nature of Reality?
220 views / 0 likes  addedIs String Theory the final solution for all of physic’s questions or an overhyped dead end? This video was funded by SNSF under Agora Grant n. 171622 and through the NCCR SwissMAP: The Mathematics of Physics. Kurzgesagt Newsletter: http://eepurl.com/cRUQx

02:25
Charles Darwin's theory of evolution explained  BBC Ideas
45 views / 0 likes  addedWhat is Darwinism? And how much impact did Charles Darwin's theory of evolution have on the world? Philosopher Nigel Warburton explores. Subscribe to BBC Ideas https://bbc.in/2F6ipavThis video was made by Somethin' Else. Do you have a curious mind

09:09
Kinetic Theory and Phase Changes: Crash Course Physics #21
286 views / 0 likes  addedGet Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcoursephysicsmug How the heck do we map out a planet without oceans? NASA had to figure that out when we sent the Mariner 9 probe to Mars. There's some tricky, yet fascinating

04:59
Game theory challenge: Can you predict human behavior?  Lucas Husted
51 views / 0 likes  addedSolve this classic game theory challenge: given integers from 0 to 100, what would the whole number closest to of the average of all numbers guessed be?Given a range of integers from 0 to 100, what would the whole number closest to 2/3 of the average of

02:03
Gravitational Lensing Theory Explained  Earth Lab
105 views / 0 likes  addedHow does matter affect light? Physics has the answer. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House ht

05:43
It's not just Autotune  how singers cheat today (Pop Theory)
246 views / 1 likes  addedThought autotune is the only thing used to fix singer's voices? Think again! Pop Theory is a series that explores the secrets and methods of modern pop music. Want to know more about the inner workings of popular songs & artists? Then this is for you.

09:02
Divine Command Theory: Crash Course Philosophy #33
301 views / 0 likes  addedAs we venture into the world of ethics, there are a lot of different answers to the grounding problem for us to explore. One of the oldest and most popular is the divine command theory. But with age comes a long history of questions, too, such as the dile

09:56
Game Theory And Oligopoly: Crash Course Economics #26
417 views / 0 likes  addedWould you like to play a game, Dr. Falken? Actually, this episode isn't really about games, or Matthew Broderick, or Thermonuclear War. But enough with the long references to 1983's best movie, War Games. Today Jacob and Adriene are going to teach you abo

09:54
Does the Theory of Evolution Really Matter?
132 views / 0 likes  addedSupport Stated Clearly on Patreon: https://www.patreon.com/statedclearly Students who may be disinterested or uncomfortable with the science of evolution often wonder why it is worth their time and effort to understand. Stated Clearly and Emory University

16:32
Pilot Wave Theory and Quantum Realism  Space Time  PBS Digital Studios
239 views / 0 likes  addedThere’s one interpretation of the meaning of quantum mechanics that manages to skip a lot of the unphysical weirdness of the mainstream interpretations: it's de BroglieBohm pilot wave theory. Help us continue making this show by contributing here: https:

14:07
Cantor's Infinity Paradox  Set Theory
82 views / 0 likes  addedSign up to brilliant.org to receive a 20% discount with this link! https://brilliant.org/upandatom/ Cantor sets and the nature of infinity in set theory. Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and computer science videos every two we

03:48
The Worlds First Photo of Quantum Entanglement Could Disprove Einsteins Theory
42 views / 0 likes  addedEinstein dubbed the idea of quantum entanglement as "spooky action at a distance." Now for the first time ever, scientists have taken a picture of it. Subscribe to Seeker!http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylistTod

01:42
How lasers work (in theory)
147 views / 0 likes  addedHow does a laser really work? It's Bose  Einstein statistics! (photons are bosons) Check out Smarter Every Day's video showing lasers in real life: http://bit.ly/uBwhU2 Trying out a new feature: English Transcript! Let me know how it works Tweet it  htt

01:50
Einstein and The Special Theory of Relativity
171 views / 1 likes  addedHow Einstein (& others) discovered Special Relativity. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old. minutephysics is now on Google+  http://bit.ly/q

09:20
Game Theory of Cheating Firms
268 views / 0 likes  addedPareto Optimality and more on Nash Equilibrium. Seeing how cheating duopolists parallels the prisoners dilemma More free lessons at: http://www.khanacademy.org/video?v=XTMbRDRaviM

09:14
POLITICAL THEORY  John Locke
295 views / 0 likes  addedJohn Locke's greatness as a philosopher is based on his theories on childhood, his work on religious toleration and his concept of the rights of citizens. He helped to make us who we are. If you like our films take a look at our shop (we ship worldwide):

10:02
Where Did Eukaryotic Cells Come From?  A Journey Into Endosymbiotic Theory
29 views / 0 likes  added1.8 billion years ago, a cell ate another cell, but it didn't digest it, and without that happening, we would not exist. This week we explore the origins of eukaryotic cells and ask the question, "Are our cells more than ourselves?"SciShow's "Was the Apol

02:15
An Asteroid Didn’t Kill the Dinosaurs, Here’s a New Theory About What Did
265 views / 1 likes  addedA new scientific model has discovered what actually happened to the earth after the asteroid impact that killed the dinosaurs. What Color Were Dinosaurs... Really?  https://youtu.be/zQPEiEluNgw Sign Up For The Seeker Newsletter Here  http://bit.ly/1UO1P

07:53
Stephen Hawking's Final Theory on Black Holes
85 views / 0 likes  added~ The black hole information paradox and Soft Hair ~ You can check out Google's Science Journal app at http://g.co/ScienceJournal What does Stephen Hawking's last paper on black holes with soft hair say about the black hole information paradox? Paper sour

08:15
Time Dilation  Einstein's Theory Of Relativity Explained!
172 views / 0 likes  addedThere is absolutely no doubt that after Newton, Einstein is the most popular physicist in the history of science. Between the March and June of 1905, Einstein, then a mere patent clerk, published four papers that revolutionised modern physics forever. Alt

03:57
This Radioactive Element Defies Quantum Theory: Meet Berkelium
152 views / 0 likes  addedScientists studying those mysterious two rows at the bottom of the periodic table are making breakthroughs, and it’s getting weird. Matter Makes Up Everything, So What Makes Up Matter?  https://youtu.be/58CgtX6uCY Read More: A Rare Element From The Edge

01:53
Shocking new study disproves 130yearold theory about dinosaur origins
291 views / 0 likes  addedA study, recently published in Nature, is the first to seriously question dinosaur evolution. Where and when did the first dinosaurs appear on Earth? For the last 130 years, scientists thought dinosaurs evolved 230 million years ago on an ancient continen

06:52
Introduction To Partial Pressure  Gases And Kinetic Molecular Theory  Chemistry  Khan Academy
376 views / 0 likes  addedDefinition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that

04:49
Andrea Ghezs Black Hole Research Confirms Einsteins Theory of Relativity  Short Film Showcase
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21:32
Building the Pyramids of Egypt ...a detailed step by step guide.
33 views / 0 likes  addedIf you have seen the animation which gave a brief overview of the Water shaft theory, then this is the more in depth walk through of the process. It contains illustrations and photographs to clarify the stages of how the Pyramids of Egypt were built withi

04:40
How A Few Scientists Transformed The Way We Think About Disease  Tien Nguyen
446 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/howafewscientiststransformedthewaywethinkaboutdiseasetiennguyen For several centuries, people though diseases were caused by wandering clouds of poisonous vapor. We now know that this theory is prett
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01:17
Which foods are ultraprocessed? You might be surprised.
21 views / 0 likes  addedMany nutrition scientists blame overeating fats or carbohydrates for the world's obesity pandemic. But new research points to ultraprocessed foods such as chicken nuggets and instant soup mixes that dominate modern diets. These foods seem to distort signa

12:24
Rorschach&Freudians: Crash Course Psychology #21
308 views / 0 likes  addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

08:37
Collision That Formed The Moon
284 views / 0 likes  addedOver five decades ago, Apollo astronauts brought back to Earth a wide variety of rocks from the Moon. Analysis of these rocks gave rise to a set of ideas describing the origin of the Moon called the Giant Impact Theory. In the last decade, scientists like

11:07
Relativity: how people get time dilation wrong
71 views / 0 likes  addedEinstein’s special theory of relativity is notorious for being easy to misuse, with the result that sometimes result in claims of paradoxes. When one digs more carefully into the theory, you find that no such paradoxes actually exist. In this video, Fermi

02:00
What it's like to fly through Hurricane Florence
307 views / 2 likes  addedExperience what it's like to fly through a Category 4 hurricane in NOAA's WP3D Hurricane Hunter. With Hurricane Florence's 130 MPH winds raging, you can literally feel the stillness in the storm's eye. Media NOAA/Nick Underwood For more hurricane science

09:50
The Growth of Knowledge: Crash Course Psychology #18
509 views / 0 likes  addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

08:13
Nature of Time and Simultaneity
104 views / 0 likes  addedNature of time and simultaneity according to Albert Einstein's Theory of Relativity.

10:40
Twin Paradox in General Relativity
121 views / 0 likes  addedA more detailed description of the Twin Paradox in Albert Einstein's General Theory of Relativity.

35:37
Quantum Entanglement, Bell Inequality, EPR paradox
117 views / 0 likes  addedQuantum Entanglement, EPR paradox, Bell Inequality, and the implication for Einstein's Theory of Relativity.

04:00
Trying to go faster than the speed of light
120 views / 0 likes  addedDiscusses why we can't go faster than the speed of light by adding relativistic velocities in Albert Einstein's Theory of Relativity.

03:36
Was Einstein Wrong About The Speed Of Light?
310 views / 1 likes  addedThe speed of light is the cosmic speed limit and it can't been changed. Or can it? Here's What Parallel Universes Might Look Like (360 Video)  https://youtu.be/1xx3QjP089o Sign Up For The Seeker Newsletter Here  http://bit.ly/1UO1PxI Read More: Theory t

07:41
Is This What Quantum Mechanics Looks Like?
197 views / 0 likes  addedSilicone oil droplets provide a physical realization of pilot wave theories. Check out Smarter Every Day: http://bit.ly/VeSmarter Support Veritasium on Patreon: http://bit.ly/VePatreon Huge thanks to: Dr. Stephane Perrard, Dr Matthieu Labousse, Pr Emmanue

09:32
Is Our Entire Universe Held Together By One Mysterious Number?
60 views / 0 likes  added1/137 is a universal constant that determines how stars burn, how chemical reactions happen, and if it were off by just a few percentage points—all of this might not even be here. But what happens if it shifts? Watch more Focal Point!  https://bit.ly/2ZJ

01:12
These Bags Make Perfect Grilled Cheese
199 views / 0 likes  addedToaster Grilled Cheese Bags prevent your grilled cheese from burning. The INSIDER team believes that life is an adventure! Subscribe to our channel and visit us at: https://thisisinsider.com INSIDER on Facebook: https://www.facebook.com/thisisinsider/ INS

01:55
a thing about chords!
134 views / 0 likes  addedhad this idea yesterday,! sorry if it's a lil much, i have a script written for another more general overview about chords too! also i'm not really a music theory expert, so forgive any errors or poor explanations haha

03:50
Where Did the Moon Come From?
540 views / 3 likes  addedDo you love to look at a big, beautiful full moon in the night sky? So do Jessi and Squeaks! But how did the moon get up there? And what is it made of?  Hi there! We at SciShow want to learn more about you and your opinions! If you have time, pl
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02:51
Einstein's Biggest Blunder
277 views / 0 likes  addedEinstein's theory of general relativity was not always the concise, elegant equation we know today. Einstein needed a "fudge factor" to conform his theory to accepted conventions of the day. It wasn't until Hubble made a grand discovery that Einstein's eq

09:19
Top 5 Hurricane Irma Science Experiments 2017 DIY Hurricanes and Tornado!
342 views / 4 likes  addedWelcome back to Incredible Science. The forecast is calling for a category 5 hurricane.Today I'll show you some really awesome hurricane science experiments. With hurricane Harvey behind us and Hurricane Irma about to slam Florida it's a great time to lea

10:03
Living with 1000s of Tumors (And Marrying a Man with the Same Condition)
53 views / 0 likes  addedGail has thousands of tumors due to a condition known as neurofibromatosis. She grew to love herself and was happy to live independently. Gail then met her husband, who lives with the same diagnosis, at age 50.SBSK Patreon: https://patreon.com/SBSKSBSK So

03:21
Do Five Dimensional Black Holes Prove Einstein Wrong?
394 views / 2 likes  addedScientists have recently modeled a strange black hole in a 5D universe. What does this mean to Einstein's Theory of Relativity? Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG NASA Accidentally Discovers Giant Black Holes►►►►http://bit

26:02
Physics: Laws of Motion  Newton and beyond
174 views / 1 likes  addedEasy to understand 3D animation explaining Physics. Includes Newton’s Laws of Motion, angular precession, coriolis effect, Bernoulli's principle, and Albert Einstein’s General Theory of Relativity.

09:14
How Einstein's Eclipse Changed the Course of Physics Forever
49 views / 0 likes  addedTwo 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

49:53
Planet Earth 100 Million Years In The Future  What will happen to our world?  HD Full Documentary
595 views / 0 likes  addedSUBSCRIBE to WORLD GEOGRAPHIC CHANNEL and never be bored again: http://www.youtube.com/subscription_center?add_user=WorldGeographicChan WORLD GEOGRAPHIC CHANNEL is a broad category of Amazing Documentaries from around the world, whenever you are bored, wa

04:55
Einstein's Relativity
117 views / 0 likes  addedBrian Cox discusses Einstein's theory of relativity and how it is used in GPS. Full lecture can be viewed here: http://www.youtube.com/watch?v=enSXh4YY9Ws

10:41
Aggression V. Altruism: Crash Course Psychology #40
300 views / 0 likes  addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

09:42
The History of Atomic Chemistry: Crash Course Chemistry #37
323 views / 0 likes  addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

04:37
Why knights fought snails in medieval art
263 views / 0 likes  addedLook 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/TheSnailinGothi

03:27
White Holes (if they exist) could explain some of the weirdest aspects of our universe
55 views / 0 likes  addedThanks for watching. Sources: Astronomers Capture First Image of a Black Hole https://www.almaobservatory.org/en/pressrelease/astronomerscapturefirstimageofablackhole/ LIGO Detection Papers https://www.ligo.caltech.edu/page/detectioncompanionpap

09:44
Arguments Against Personal Identity: Crash Course Philosophy #20
304 views / 0 likes  addedHow can Daenerys Targaryen help us understand personal identity? Find out as Hank continues our exploration of personal identity, learning about Hume’s bundle theory and Parfit’s theory of survival through psychological connectedness. Get your own Crash C

07:49
LM part of the ISLM model
228 views / 0 likes  addedHow the theory of liquidity preference drives demand for money and the LM (liquidity preferencemoney supply) curve More free lessons at: http://www.khanacademy.org/video?v=yro2jLBfyDQ

10:29
Scientists Are About to Prove a Mirror Universe Exists
50 views / 0 likes  addedThe theory of multiple or parallel universes is one that blurs the line between scientific reality and science fiction. Its a pretty huge topic of debate in the scientific community, with big names on both sides. If you believe that multiple universes exi

01:36
RACING DRONE VS ROLLERCOASTER HELIX! A different POV
62 views / 0 likes  addedEpic chase of the ride HELIX at Liseberg in Gothenburg, Sweden. Big thanks to my sponsors! Elefun https://www.elefun.se/rc/hobby.aspx Diatone https://www.diatone.us Carbix http://www.carbix.se/category.html/mu... Tattu https://www.gensace.de/ Drone setup:

05:57
How To Split A Cake Fairly Using Math
324 views / 0 likes  addedHow can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cakecutting algorithms to produce
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01:31
The ‘alien megastructure’ star is acting weird again
190 views / 1 likes  addedTabby's Star — officially known as KIC 8462852 — is acting weird, again. Recent reports indicate it has started to dim in brightness. That's what Tabby's star does — it dims. Astronomers were ready for the event — they have pointed telescopes from around

29:27
Chemistry and Our Universe: How it All Works  The Great Courses
304 views / 0 likes  addedChemistry if the science of how everything interacts. In this lecture examine how light interacts with matter in crucial ways. Follow the debate over whether light is a wave or particle, staring in antiquity. See how the wave theory to triumph in the 19th

12:35
Why The Big Bang Definitely Happened  Space Time  PBS Digital Studios
270 views / 0 likes  addedHow physics lets us rewind time to the beginning of the universe. Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http:/

03:15
What Happens When You Don't Brush Your Teeth?  Earth Lab
126 views / 0 likes  addedBang Goes The Theory looks into the consequences of not brushing your teeth for five days  is it just aesthetic or are there more serious consequences? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOrigi

04:53
Can You Solve The Friendship Riddle?
221 views / 0 likes  addedIn 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

05:54
Albert Einstein (stock footage / archival footage)
230 views / 0 likes  addedAlbert Einstein talks about theory of relativity, graphics show equation E = MC squared (E=MC2); explains the theory of relativity. Einstein smoking pipe, reading. Looking at formula. Einstein meets with Professor Solard. Letter being typed in typewriter.

01:45
The Surprising Science Behind the Word ‘Pokemon
338 views / 0 likes  addedBy now, words like “Pokémon,” “karaoke” and “anime” are established terms in modern English. But … are these words English or Japanese? As it turns out, neither! They fall into their own category entirely.
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07:39
Why Are Soap Bubbles So Colorful?
206 views / 0 likes  addedWhy are soap bubbles rainbow colored? Iridescence explained both by wave theory and QED (quantum electrodynamics). Hi! I'm Jade. I'm an Aussie with a Bachelor's degree in Applied Physics. After three years and over 100 lab sessions, I realized I'm terribl

11:22
What is the Evidence for Evolution?
127 views / 1 likes  addedSupport Stated Clearly on Patreon: https://www.patreon.com/statedclearly Biologists teach that all living things on Earth are related. Is there any solid evidence to back this claim? Join us as we explore the facts! We start with a close look at the origi

07:20
Black Holes Explained
238 views / 1 likes  addedBlack holes are one of the Universe's most tantalizing mysteries. These massive, reticent creatures have provided us monumental insights about how the universe might have begun and how it might eventually end. Check out our new video explaining what they

11:44
Evolution: It's a Thing  Crash Course Biology #20
556 views / 0 likes  addedHank gets real with us in a discussion of evolution  it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. Crash Course Biology is now availabl
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07:13
How big is infinity?  Dennis Wildfogel
160 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/howbigisinfinity Using the fundamentals of set theory, explore the mindbending concept of the "infinity of infinities"  and how it led mathematicians to conclude that math itself contains unanswerable ques

02:14
Dancing animal videos Scientists study the evolution of rhythm
132 views / 0 likes  addedThe sea lion studies are especially interesting. For years, scientists have thought that animals' "rhythmic entrainment" (the ability to synchronize with an external beat) was necessarily associated with vocal capacities to imitate sound. Sea lions are qu

04:01
The Disease Detectives Stop Outbreaks at Their Source
69 views / 0 likes  addedAfter two category 5 hurricanes hit the U.S. Virgin Islands in 2017, the immediate aftermath left buildings destroyed and neighborhoods flooded. But another, less visible, threat left local health officials very concerned. After traces of the bacterial in

08:27
Breaking Boards Paradox II //. Homemade Science with Bruce Yeany
25 views / 0 likes  addedFirst all it's not really a paradox, that's just the name, but here's a revisit to the popular breaking board demonstration on air pressure. The common explanation has touted that sheet of newspaper is applying 8,000 to 15,000 pounds of force toehold a bo

04:47
The Squid and the Whale: Evidence for an Epic Encounter
336 views / 0 likes  addedHappy Cephalopod Week! One of the most famous dioramas in the American Museum of Natural History depicts a battle between two gigantic animals: the sperm whale and giant squid. But unlike most dioramas in the Museum’s halls, this scene has never been witn

03:17
This Is NOT NATURAL
261 views / 1 likes  addedSUBSCRIBE for more: http://bit.ly/asapsci Fresh vs Frozen video: https://youtu.be/zjsOOT347cA What The Heck is Gluten? video: https://youtu.be/DXjpb7SFi3s This episode was inspired by the work of James Kennedy. Check out all of his 'Natural' food infograp
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09:32
The Higgs Mechanism Explained  Space Time  PBS Digital Studios
220 views / 0 likes  addedWhat is the Higgs field and why is it a fundamental part of our universe? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Quantum Field Theo

24:13
Eat Your Favorite Movie Character  Fun Food Ideas  Cooking For Children By HooplaKidz Recipes
328 views / 0 likes  addedFor more yumminess, click here: https://goo.gl/VnkN8n Watch some of our other Recipes: Click here to learn how to make Play Doh Without Cream of Tarter Recipe :https://www.youtube.com/watch?v=Pgak1... Click here to learn how to make Rainbow Cake Recipe: h

01:18
Can You Make 4 Triangles From 6 Matches?
454 views / 0 likes  addedCan you use 6 matches to make 4 triangles of equal size and equal shape? This is harder than it sounds! Give it a try before watching the video for a solution. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions

04:22
Impossible Algebra Problem
542 views / 0 likes  addedThis problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

03:25 Popular
Can You Solve This? AA + BB + CC = ABC
747 views / 0 likes  addedIf AA + BB + CC = ABC, what are the values of A, B, and C? All the digits are distinct and positive. Watch the video for a solution. Blog (text explanation): http://wp.me/p6aMk4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c

05:20
Printing Lucy
138 views / 0 likes  addedResearchers believe they've discovered how Lucy, a 3.2 million year old human relative, died. To convince others of their theory, the researchers released 3D scans of Lucy's bones. In this Nature Video we 3D print Lucy's bones to see for ourselves. Read t

04:42
How Warren Buffett Tried To Trick Bill Gates In A Dice Game
271 views / 0 likes  addedWarren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk4ro Source The dice numbers and the story are described at Microsoft Research's website for nontran

11:49
What is relativity all about?
50 views / 0 likes  addedEinstein’s theory of special relativity is one of the fascinating scientific advances of the 20th century. Fermilab’s Dr. Don Lincoln has decided to make a series of videos describing this amazing idea. In this video, he lays out what relativity is all ab

04:00
PLATO ON: The Forms
391 views / 0 likes  addedPlato’s theory of the forms is at the centre of his philosophy and teaches us the virtues of thinking about the ideal version of things. If you like our films take a look at our shop (we ship worldwide): http://www.theschooloflife.com/shop/all/ Brought to

17:35
Bell's Theorem: The Quantum Venn Diagram Paradox
254 views / 0 likes  addedFeaturing 3Blue1Brown Watch the 2nd video on 3Blue1Brown here: https://www.youtube.com/watch?v=MzRCDLre1b4 Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: http://www.minutephysics.com/supporters/ This vid

01:28
Deliciously Adorable & Easy To Make SHOPKINS CUPCAKE Recipe
639 views / 3 likes  addedLearn this ultimately cute and yummy Shopkins Cupcake recipe and more delicious & easy to make recipes by HooplaKidz Recipes For more yumminess, click here: https://goo.gl/VnkN8n Watch some of our other Recipes: Click here to learn how to make Play Doh Wi
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01:23
Hammer vs Feather  Physics on the Moon
306 views / 1 likes  addedCourtesy: NASA  Galileo and Apollo 15 At the end of the last Apollo 15 moon walk, Commander David Scott (pictured above) performed a live demonstration for the television cameras. He held out a geologic hammer and a feather and dropped them at the same t
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10:50
The most feared song in jazz, explained
67 views / 0 likes  addedMaking sense of John Coltrane's "Giant Steps." Follow Vox Earworm on Facebook for more: http://www.facebook.com/VoxEarworm And be sure to check out Earworm's complete first season here: http://bit.ly/2QCwhMH John Coltrane, one of jazz history’s most

01:57
I Will Read Your Mind  Math Magic Trick
551 views / 1 likes  addedPick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick
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03:39
What Are Stars?
438 views / 3 likes  addedFind out what makes stars what they are, and take a tour of some of the most extreme stars in space!  Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome
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07:52
Find The 10 Digit Number Classic Puzzle And Solution
297 views / 0 likes  addedI'm thinking of a 10 digit number that uses the each digit 0 to 9 exactly once and where the number formed by the first n digits is divisible by n. What could my number be? The video explains how to find the answer using tests for divisibility. Blog post:

06:24
The Seemingly Impossible Escape Logic Puzzle
527 views / 0 likes  addedAn evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the prison. Can they figure it out? Source of puzzle wu: riddles forum https://www.ocf.berkeley.edu/~wwu/cgibin/yabb/YaBB.cgi?board

03:00
Multiply Numbers By Drawing Lines
291 views / 0 likes  addedGow to multiply numbers by drawing lines. Get the Multiply By Lines Book! https://www.amazon.com/gp/product/1500866148/ If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each s
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07:10
TOUGH Interview Question  Ways To Give 11 Coins To 3 People
260 views / 0 likes  addedHow 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 nonnegat

04:43
Immune System  Fighting Infection by Clonal Selection
106 views / 0 likes  added'Fighting Infection by Clonal Selection' was created to commemorate the 50th anniversary of Burnet's Clonal Selection Theory. The animation shows how clonal selection works during a bacterial infection of the throat. Frank Macfarlane Burnet was awarded th

54:42
Quantum Biology: An Introduction
230 views / 0 likes  addedWhat is quantum biology? Philip Ball explains how strange quantum effects take place in the messy world of biology, and how these are behind familiar biological phenomena such as smell, enzymes and bird's migration. Subscribe for regular science videos: h

16:13
The Game You Win By Losing (Parrondo's Paradox)
69 views / 0 likes  addedWatch my collab with Donut Media: https://youtu.be/1RNc2hpHP8Thanks to Donut Media for supporting Vsauce2 and having me on their channel. Go check them out and support them. They're great!While working on the interplay between thermodynamics and informat

03:15
After Hurricane Maria, Building a Community Under the Sea
214 views / 0 likes  addedRaimundo Chirinos has devoted his life and career to protecting Puerto Rico’s waters. And in the wake of Hurricane Maria, his devotion matters more than ever. Among its many assaults, the Category 5 storm pulled fishing gear from the island’s shores into

04:52
Can You Solve The Two Rope Puzzle?
295 views / 0 likes  addedYou have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me

35:52
Delicious Cartoon Character Cakes So Good You'll Wish You Had Baked  Birthday Cake Recipes
371 views / 0 likes  addedCheck out the most delicious recipe : https://goo.gl/eOpHto Subscribe to our channel for more updates: https://goo.gl/goaCNi Surprise your little ones with these delicious and delightful cartoon character birthday cake recipe by HooplaKidz Recipes Click h

06:24
Can You Solve The Chameleon Riddle?
392 views / 0 likes  addedA museum has 13 blue, 15 red, and 17 green chameleons. Whenever two chameleons of different colors meet, they both change into the color of the other chameleon (if blue and red met, for example, they would both turn green). As the chameleons mingle, is it

12:34
8 Perfect Oreo Recipes For Cookie Addicts
367 views / 0 likes  addedFor more yummy Easy Recipes, click here: https://goo.gl/VnkN8n Make some deliciously amazing Oreo recipes to feed and give some happiness to your lazy sweet tooth! Watch this video and learn to make 8 mouth watering Oreo Recipes Perfect for all occasions,
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03:01
Love Quinoa? Thank the International Man of Botany
28 views / 0 likes  addedLove mangoes and dates? Cant imagine a grain bowl without quinoa? We have botanist David Fairchild to thank for bringing these foods and many more to the United States. Fairchild spent his entire career traveling the world learning from indigenous food cu

03:58
What If The Neanderthals Had Not Gone Extinct?
46 views / 0 likes  addedNeanderthal DNA is 99.7% identical to our own, and researchers claim that some humans might be carrying as much as 2% of the Neanderthal genome. Making things even weirder is that scientists recently recovered a nearly complete DNA sequence from a 50,000

10:20
SURPRISING Coin Flipping Probability  Flips To HH Versus HT
227 views / 0 likes  addedWhat 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

02:31
Why Do We Yawn?
443 views / 1 likes  addedWhat makes yawning so contagious? Watch the 'YawnOMeter': http://bit.ly/1qwFDrx SUBSCRIBE: http://bit.ly/10kWnZ7 Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Clickable: http://bit.ly/16F1jeC and http://bit.ly/15J7ube Facebook: http://on.f
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14:15
Russell's Paradox  A Ripple in the Foundations of Mathematics
65 views / 0 likes  addedBertrand Russell's set theory paradox on the foundations of mathematics, axiomatic set theory and the laws of logic. A celebration of Gottlob Frege. Thank you to Professor Joel David Hamkins for your help with this video. Hi! I'm Jade. Subscribe to Up and

05:03
The Existence of White Holes May Settle One of Physics Biggest Debates
11 views / 0 likes  addedChances are you are familiar with black holes, we at Seeker love to discuss black holesbut what about white holes? Its time we talk about the black holes hypothetical opposite. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http:/

12:45
Matter Makes Up Everything, So What Makes Up Matter? (Part 1 of 3)
181 views / 0 likes  addedPractically everything around us is matter, but how did the first scientists figure that out? How did we define matter? Tune in next Thursday for Part 2! Read More: Discovery of the Electron http://www.pbs.org/transistor/science/events/electron.html “Scie

1:01:45
Information, Evolution, And Intelligent Design  With Daniel Dennett
308 views / 0 likes  addedDaniel Dennett explores the first steps towards a unified theory of information, through common threads in the convergence of evolution, learning, and engineering. Subscribe for regular science talks: http://bit.ly/RiSubscRibe The concept of information i

04:13
Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?
360 views / 0 likes  addedThese 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

02:57
Viral Facebook Math Problem
407 views / 1 likes  addedThis 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

04:56
Disney Frozen Sparkle Princess Elsa Cupcakes  Birthday Cupcakes  HooplaKidz Recipes
531 views / 0 likes  addedFor more yumminess, click here: https://goo.gl/VnkN8n Esla Cupcake for all disney fans!, These super amazing Elsa Cupcakes are quick and easy to make perfect for a frozen themed party, learn how to make them with this quick and easy recipe video, inspired
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02:58
What Is Sea Level, Anyway?
249 views / 0 likes  addedIn Calipatria, California, the town is below sea level  but their flag pole isn't. But what does "sea level" mean? Is it just theory, or is there more behind it? I'm at http://tomscott.com on Twitter at http://twitter.com/tomscott on Facebook at http://

08:27
Can You Solve The 3 Cards Riddle?
299 views / 0 likes  addedThere 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

03:31
How Logical Are You? The Irrationality Illusion Tricks Most
428 views / 0 likes  addedThis 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

04:07
Why do competitors open their stores next to one another?  Jac de Haan
199 views / 0 likes  addedView full lesson on ed.ted.com  http://ed.ted.com/lessons/whydocompetitorsopentheirstoresnexttooneanotherjacdehaan Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for icecreamselling d

06:04
Einstein's Biggest Blunder, Explained
33 views / 0 likes  addedThanks to Brilliant for supporting MinutePhysics. Get 20% off a premium subscription at https://brilliant.org/MinutePhysics/This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in par

12:53
The Many Worlds of the Quantum Multiverse  Space Time  PBS Digital Studios
239 views / 1 likes  addedIs our universe a definitive single reality or is it merely one within an infinitely branching multiverse? Be sure to check out Physics Girl’s Dianna Cowern for more awesome science https://www.youtube.com/c/physicsgirl Get your own Space Time tshirt at

02:21
How Dinosaurs Went Extinct!
685 views / 0 likes  addedMeteors came hurtling to Earth and stopped life as they knew it for the dinosaurs. Complete and instantaneous extinction is no longer the theory. What did the extinction look like? See how a TRex survives impact as some animals did, only to succumb to th
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05:38
Ideasthesia: How Do Ideas Feel?  Danko Nikolić
341 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/ideasthesiahowdoideasfeeldankonikolic The traditional model of our mental function is that first our senses provide data to our brain, which then translates those senses into the appropriate mental phenome

02:45
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?
308 views / 0 likes  addedThis 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
279 views / 0 likes  addedThis question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the testmakers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk4

03:33
Can You Solve This Intelligence Test? Viral Facebook Puzzle
306 views / 0 likes  addedIf 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I

06:57
When Is Christmas? Mentally Convert Date To Day Of The Week
236 views / 0 likes  addedJanuary 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/p6aMk4qQ Doomsday Rule (previous video): https://www.youtube.com/watch?v=UsStBxY9STw Calcu

04:52
Do Black Holes Ever Die?
471 views / 6 likes  addedDo black holes actually evaporate? Find out more as we dive deep into Hawking Radiation! Inside The World's Largest Particle Accelerator  http://bit.ly/2cmBmH1 Sign Up For The Seeker Newsletter Here  http://bit.ly/1UO1PxI Read More: Hawking Radiation ht

03:10
Rapid Evolution Is Real…These Species Changed in Front of Our Eyes
243 views / 0 likes  addedEvolution doesn’t have to take a hundred millennia. Some species can biologically adapt to new environments in a few short years, here’s how. Seeker is now on Prime Video! Watch here: https://www.amazon.com/v/seeker Read More: What is Darwin's Theory of E

59:52
The Extraordinary Theorems of John Nash  with Cédric Villani
207 views / 0 likes  addedFields medal winner Cédric Villani takes us through the very special world of mathematical creation of John Nash, who founded several new chapters of game theory and geometric analysis in just a few revolutionary contributions that seemed to come from now

05:09
Can You Solve The Snake Eyes Probability Riddle?
356 views / 0 likes  addedYou 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

04:03
Could Life On Earth Have Come From A Comet?
363 views / 0 likes  addedWhat if alien DNA led to human existence? This amino acid recently found in comets gives us insight on our potential alienrelatives. Are We Sabotaging Our Search For Life On Mars?  http://bit.ly/29MAiYY Sign Up For The Seeker Newsletter Here  http://bi

00:46
Evidence for relativity effects in stars orbiting supermassive black hole
232 views / 0 likes  addedThis artist's impression shows the orbits of three of the closest known stars to the supermassive black hole at the center of the Milky Way (marked with a red cross). Analysis of data from ESO’s Very Large Telescope and other telescopes hint that the orbi

08:10
Why Do You Love Your Family?
190 views / 0 likes  addedYou can learn more about your personal DNA story by going to https://23andMe.com/okay Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Why do we love people we’re related to? Compared to strangers, why d

05:55
"Impossible" Logic Puzzle  How Many Liars Are At The Party?
339 views / 0 likes  addedA party has 100 people who are either liars are truth tellers. Liars always lie and truth tellers always say the truth. After the party you ask each person, "How many truth tellers did you shake hands with?" Each person gives a different answer from 0 to

05:01
Mother's Day Special Delicious Recipes Collection For Your Lovely Mommy By HooplaKidz Recipes
347 views / 0 likes  addedIt's Mother's Day!!!! It's time to give a little surprise to your lovely MOMMY by making some delicious, yummilicious & mouth watering recipes! Watch this video and learn to make delightful mother's day recipes that would make your mom go head over heels!

07:13
New Subatomic Particles Are Shifting the Standard Model of Physics
98 views / 0 likes  addedThe Large Hadron Collider just discovered a new pentaquark, but how does it fit in our current understanding of the Standard Model?Could Everything We Know About String Theory Be Wrong?  https://youtu.be/gVcwcaI_viQRead More: LHCb experiment discovers a

07:49
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained
439 views / 0 likes  addedThis 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

04:28
Are We Running Out of Vanilla? — Speaking of Chemistry
200 views / 0 likes  addedVanilla is so common, some people use it as a diss. But watch out. This beloved bean may become a rarity. Read more: http://cen.acs.org/articles/94/i36/problemvanilla.html ↓↓More info and references below↓↓ Special thanks to My Green Pets for sharing the

05:39
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD
336 views / 0 likes  addedThanks 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

07:12
Einstein's Golden Secret! (Psst! Special relativity gives gold its color)
94 views / 0 likes  addedCome discover how Einstein's Special Theory of Relativity gives gold it's beautiful yellow shine. Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and computer science videos every two weeks! *SUBSCRIBE TO UP AND ATOM* https://www.youtube.com/

15:15
Moving Faster Than The Speed Of Light? Special Relativity Velocity Addition Formula
307 views / 0 likes  addedIf 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

06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained
2,591 views / 0 likes  addedThis 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

04:35
Earths Magnetic North Pole Is Shifting South So What Now?
52 views / 0 likes  addedThe Earth's magnetic poles are constantly shifting, and scientists believe they've figured out why. Subscribe to Seeker!http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist The North and South poles are often thought of as the

03:21
Can You Solve A Puzzle That Fooled Richard Feynman?
250 views / 0 likes  addedWhat 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

03:28
Flower Math Problem  Adults Stumped By Question For Kids In China
418 views / 2 likes  addedThis 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

04:36
The Origin Of Countless Conspiracy Theories  PatrickJMT
223 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/theoriginofcountlessconspiracytheoriespatrickjmt Check out PatrickJMT's YouTube channel here: https://www.youtube.com/user/patrickJMT Why can we find geometric shapes in the night sky? How can we know that

07:33
Richard Feynman Magnets
299 views / 0 likes  addedRichard Phillips Feynman was an American physicist known for the path integral formulation of quantum mechanics, the theory of quantum electrodynamics and the physics of the super fluidity of super cooled liquid helium, as well as work in particle physics

04:43
Richard Feynman Fire
47 views / 0 likes  addedRichard Phillips Feynman was an American physicist known for the path integral formulation of quantum mechanics, the theory of quantum electrodynamics and the physics of the super fluidity of super cooled liquid helium, as well as work in particle physics

01:49
This Matchstick Puzzle Is
290 views / 1 likes  addedThis 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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03:17
Can YOU Solve It? This Question Stumped 75% Of PhD Economists
259 views / 0 likes  addedIntroductory 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

05:48
What Is The Area? "You Should Be Able To Solve This"
147 views / 0 likes  addedThanks 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

03:24
Why Do So Many Price Tags End In .99?
366 views / 0 likes  addedIt’s very common to see the number 9 at the right end of a price tag. Why is this? Lauren explains the psychology of prices and nines in this episode of BrainStuff. Learn more at HowStuffWorks.com. Share on Facebook: Share on Twitter: Subscribe: htt
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07:25
Can You Solve The Race To December 31 Riddle?
294 views / 0 likes  addedHere'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

03:17
Is A SuperEarth Planet Hidden At the Edge of Our Solar System?
352 views / 2 likes  added#HowTheUniverseWorks  Tuesdays at 10/9c on Science Full Episodes Streaming FREE on Science GO: https://www.sciencechannelgo.com/howtheuniverseworks/ Planet Nine sits on the edge of our solar system, roughly 100 billion miles from our Sun. Until we see

04:33
The Most Groundbreaking Scientist You've Never Heard Of  Addison Anderson
256 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/themostgroundbreakingscientistyouveneverheardofaddisonanderson Seventeenthcentury Danish geologist Nicolas Steno earned his chops at a young age, studying cadavers and drawing anatomic connections bet

13:40
BEST Way To Play Memory (Card Game)  WIN Using Math
463 views / 0 likes  addedThe 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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16:30
The Stratford Heist  Staging a false play in front of Shakespeare's gravestone to find a treasure.
268 views / 0 likes  addedA man staged a false play in front of Shakespeare's gravestone in order to scan it with penetrating RADAR to confirm his suspicion it had a cavity with hidden works, a theory he put together from cryptic clues left by the altar. His RADAR confirmed the ca

11:57
The Wallis Formula For π
197 views / 0 likes  addedStart 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

05:47
Why Is The Universe Flat?
254 views / 0 likes  addedCosmic inflation is a theory that was proposed in the 1980s by cosmologist Alan Guth to answer some of the most fundamental questions of the origins of our universe. It also solved the Horizon Problem and the Flatness Problem. Subscribe  http://www.youtu

09:11
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer
363 views / 0 likes  addedStart 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

08:19
Can You Solve The Spies Sharing Secrets Puzzle?
248 views / 0 likes  addedAfter a successful mission, each of N spies obtains a unique secret. By protocol, the spies share secrets by a series of phone calls between 2 spies at a time. During a call, a spy can share all the secrets the knows, including secrets learned from previo

05:57
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"
533 views / 1 likes  addedThis problem was given to Primary 6 (age 1112) 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

06:24
Can You Solve The Missing Sock Puzzle?
243 views / 0 likes  addedA 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

03:51
Can You Solve This MIT Admissions Question? Geometry Problem, 1869
341 views / 0 likes  addedThe 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

03:16
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer
284 views / 0 likes  addedWhat is angle A in the starshaped figure? This problem appeared on the 1999 AMC 8 test (intended for 8th grade students in the US). Approximately 75% of testtakers did not mark the correct response. Can you figure it out? Watch the video for a solution.

08:05
Can You Solve The Hardest Easy Geometry Problem?
425 views / 1 likes  addedIn 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

03:48
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869
342 views / 0 likes  addedThe 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

07:20
An Alternative Proof That The Real Numbers Are Uncountable
56 views / 0 likes  addedThis video was cowritten by my super smart hubby Simon Mackenzie. *My Last Video* My Infinity is Bigger Than Your Infinity https://youtu.be/X56zst79Xjg If you want to know more, check out these links and sources: The Annotated Turing  Charles Petzold ht

05:47
LIGO's Gravitational Wave Discovery Is Still In Question, But Why?
102 views / 0 likes  addedLIGO’s discovery of gravitational waves rocked the world of physics. But now, some scientists are questioning their methods. Here’s what you need to know. WTF Is Gravity? Scientists Don’t Really Know Either  https://www.youtube.com/watch?v=g9_PdtL627k&t=

11:27
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained
644 views / 1 likes  addedIf 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

04:25
How The 'Impossible Drive' Could Break Newton's Third Law
246 views / 0 likes  addedA device called the EM Drive appears to have the ability to break the Third Law of Physics. But does it even work? What Will Rockets Look Like In The Future?  https://youtu.be/fSm3LoZyjjI Sign Up For The Seeker Newsletter Here  http://bit.ly/1UO1PxI Rea

02:51
The Horse Horseshoe Boots Viral Algebra Problem  The Correct Answer Explained
612 views / 1 likes  addedA 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:

05:33
What is 6÷2(1+2) = ? The Correct Answer Explained
483 views / 0 likes  addedWhat is 6÷2(1+2) = ? This problem went viral and generated millions of comments on Facebook, Twitter, YouTube and social media sites. I explain how to get the correct answer by using the modern interpretation of the order of operations. I also explain how
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05:26
Can You Solve The Red Ball Lottery Puzzle?
266 views / 0 likes  added(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

04:13
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle
296 views / 0 likes  addedA 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

06:14
Will Robots Become Conscious?
198 views / 0 likes  addedWhat 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

03:09
Can You Solve The Marriage Logic Problem? 80% Fail
274 views / 0 likes  addedSurveys 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

03:38 Popular
3 Cool Facts About Cats!
1,047 views / 5 likes  addedEven if you have a cat of your own, you might not know these three amazing things about our furry friends!  Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our aw
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03:54
What's The Best Soup Can Size? The Optimal Cylinder Puzzle
263 views / 0 likes  addedA 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

07:40
Can You Solve The 21 Flags Game From Survivor?
272 views / 0 likes  addedContestants 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

07:21
Can You Solve The Magical Pond Puzzle?
313 views / 1 likes  added(Same video with music: https://youtu.be/nFGpk0ZpRk) You visit a shrine that has 3 temples. Before each temple, you have to swim in a magical pond. Your path is pondtemple1pondtemple2pondtemple 3. Each time you swim, the pond magically triples the n

02:37
Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?
323 views / 0 likes  addedHow 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
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