Search Results: "Fractal geometry"
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05:41
Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)
78 views / 0 likes  addedFractals aren’t just crazy cool mathematically infinite shapes. They might just have the capacity to revolutionize modern electronics as we know it. Thumbnail image courtesy of Sander Kempkes. There’s a Subterranean Biosphere Hiding in the Earth’s Crust a

02:09
What is a fractal? A lens to infinity
241 views / 0 likes  addedA fractal pattern is a kind of equation occurring all around us in nature. So what's a fractal and what does it have to do with nautiluses, romanesco broccoli, Star Trek II: The Wrath of Khan, peacocks, and predicting diseases? SUBSCRIBE! for more Popular

08:45
Fractals: How to Decode the Geometry of Chaos І The Great Courses
206 views / 0 likes  addedTry a free month trial of The Great Courses Plus here: https://www.thegreatcoursesplus.com/specialoffer?utm_source=US_OnlineVideo&utm_medium=SocialMediaEditorialYouTube&utm_campaign=136270 Let's begin by clarifying what's distinctive about fractals by co

01:37
Translation Example  Transformations  Geometry  Khan Academy
350 views / 0 likes  addedTranslation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingtranslationsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_campa

01:25
Using Rotation Widget  Transformations  Geometry  Khan Academy
316 views / 0 likes  addedUsing rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingrotationsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_campai

08:13
Points After Rotation  Transformations  Geometry  Khan Academy
349 views / 1 likes  addedPoints after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

02:46
Defining Rotation Example  Transformations  Geometry  Khan Academy
355 views / 0 likes  addedDefining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/definingrotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

01:48
Using Reflection Tool  Transformations  Geometry  Khan Academy
427 views / 0 likes  addedUsing reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingreflectionsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_camp

01:55
Drawing Image Of Translation  Transformations  Geometry  Khan Academy
372 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeotranslations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

10:32
Rotating About Arbitrary Point  Transformations  Geometry  Khan Academy
343 views / 0 likes  addedRotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

07:19
Reflecting Segments Over Line  Transformations  Geometry  Khan Academy
315 views / 0 likes  addedReflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/e/reflections1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

01:32
Formal Translation Tool Example  Transformations  Geometry  Khan Academy
336 views / 0 likes  addedFormal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeotranslations/e/definingtranslations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

05:41
Points On Line Of Reflection  Transformations  Geometry  Khan Academy
336 views / 0 likes  addedPoints on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/e/definingreflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

02:28
Drawing Line Of Reflection  Transformations  Geometry  Khan Academy
373 views / 0 likes  addedDrawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/v/determiningthelineofreflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www

31:51
Geometry: An Interactive Journey to Mastery  The Great Courses
320 views / 0 likes  addedhttps://www.thegreatcoursesplus.com/geometryaninteractivejourneytomastery?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 Like other math fields, geometry teaches us how to think. It leads students to uncover new

12:51 Popular
I HATE GOING UPSIDE DOWN!!! (Geometry Dash #3)
732 views / 9 likes  addedI HATE GOING UPSIDE DOWN!!! (Geometry Dash #3) ► Subscribe and join TeamTDM! :: http://bit.ly/TxtGm8 ► BUY MY NEW BOOK HERE :: http://smarturl.it/DanTDM ► Follow Me on Twitter :: http://www.twitter.com/dantdm ► Previous Video :: https://youtu.be/xRfBMq14Y

09:12
Koch Snowflake Fractal
356 views / 0 likes  addedA shape that has an infinite perimeter but finite area More free lessons at: http://www.khanacademy.org/video?v=azBNsPa1WC4

10:01
CUSTOM GEOMETRY DASH LEVELS?!?
578 views / 6 likes  added► Subscribe and join TeamTDM! :: http://bit.ly/TxtGm8 ► Follow Me on Twitter :: http://www.twitter.com/dantdm ► Previous Video :: https://youtu.be/ap7XaMMtH4 i never knew you could get custom geometry dash levels.. ► DanTDM MERCH :: http://www.dantdmshop

07:23
Introduction To Transformations  Transformations  Geometry  Khan Academy
323 views / 0 likes  addedIntroduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingtranslationsonthecoordinateplane?utm_source=YT&utm_medium=De

02:04
NonEuclidean Geometry of a Sphere  Christmas Lectures with Philip Morrison
156 views / 0 likes  addedAccording to Euclidean geometry the angles of a triangle add up to 180 degrees. Philip Morrison shows an example of where this isn't true, and nonEuclidean geometry applies. Watch the full lecture: http://www.rigb.org/christmaslectures/watch/1968/gulliv

57:34
Topology, Geometry And Life In Three Dimensions
351 views / 0 likes  addedIf you imagine a three dimensional maze from which there is no escape, how can you map it? Is there a way to describe what all possible mazes look like, and how do mathematicians set about investigating them? Subscribe for regular science videos: http://b

08:05
Can You Solve The Hardest Easy Geometry Problem?
455 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

02:04
Compose Shapes  Geometry  Early Math  Khan Academy
334 views / 0 likes  addedLearn how to combine shapes to make other shapes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathcomposingshapes/e/composeshapes?utm_source=YT&utm_medium

02:25
Halves And Fourths  Geometry  Early Math  Khan Academy
371 views / 0 likes  addedLearn how to divide shapes into two or four equal sections. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathfractionsofshapes/e/halvesandfourths?utm_sou

06:09
Recognizing Shapes  Geometry  Early Math  Khan Academy
374 views / 0 likes  addedLearn how to identify circles, triangles, squares, rectangles, rhombuses, and trapezoids. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathshapes/e/namingsh

01:31
Filling Rectangles With Squares  Geometry  Early Math  Khan Academy
348 views / 0 likes  addedLearn how to fill rectangles with squares. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathfractionsofshapes/e/fillingrectangleswithsamesizedsquares?

03:51
Can You Solve This MIT Admissions Question? Geometry Problem, 1869
357 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

02:52
Bauhaus Ballet: A Dance of Geometry
157 views / 0 likes  addedThe Bauhaus Movement produced more than just minimalist buildings and furniture; it also gave way to a dance of geometry. In his 1922 “Triadic Ballet,” prodigious artist Oskar Schlemmer stripped away the genre’s archetypally fluid movements and fabrics, p

03:05
Equal Parts Of Circles And Rectangles  Geometry  Early Math  Khan Academy
351 views / 1 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathfractionsofshapes/e/equalpartsofcirclesandrectangles?utm_source=YT&utm_medium=Desc&utm_campaign=Early

04:19
Cousin Fal's Shape Collection  Geometry  Early Math  Khan Academy
291 views / 0 likes  addedLearn how to classify shapes based on their number of sides, number of corners, and sidelengths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathgeometrytopic/ccearlymathshapes/e/n

04:33
Fractals: The Geometry of Chaos  Christmas Lectures with Ian Stewart
150 views / 0 likes  addedUsing a simple set of mathematical rules, a very intricate geometry can be created in the form of fractals. The Sierpinski triangle is a famous example. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lecture: http://www.rig

03:43
Right Triangle Geometry — Harder Example  Math  New SAT  Khan Academy
249 views / 0 likes  addedWatch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths4easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

08:17
Right Triangle Geometry — Basic Example  Math  New SAT  Khan Academy
304 views / 0 likes  addedWatch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths7harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

13:46
Math Videos For 3rd, 4th, And 5th Grade: GEOMETRY MATH SONGS
539 views / 3 likes  addedThis fun video playlist goes along with a Geometry Unit with matching animation that can be purchased here: Teachers Pay Teachers Geometry Unit: https://www.teacherspayteachers.com/Product/GeometryUnit2459996 ◀ Opens in New Window ____ Our closest fr

09:50
Can You Solve This 6th Grade Geometry Problem From China?
654 views / 1 likes  addedWhat 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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04:13
Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?
384 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

03:41 Popular
Polygons Song For Kids Rap Video: Geometry Quadrilaterals Hexagons etc.
1,006 views / 0 likes  addedFull lesson plan and more: http://numberock.com/polygons/ Description: Alan kite surfs, skateboards, bikes, dives, and explores space as he learns about Triangles, Quadrilaterals, Pentagons, Hexagons, Heptagons, Octagons, Nonagons, and Decagons. These sha

05:57
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"
552 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

03:16
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer
292 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.

04:13
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle
307 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

03:59
Movie Geometry  Shaping the Way You Think
150 views / 0 likes  addedShapes 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

04:35
Jupiter Joe  The Subway Astronomer
233 views / 0 likes  addedMost of us spend most of the time looking down at our phones. But Jupiter Joe wants to change that  in NYC, he’s drawing people’s eyes to the sky. And right from the convenience of the subway. ✦ Follow Joe: •Facebook: http://bit.ly/2xZ7k

02:06
Types of Angles, Figures & Shapes
353 views / 0 likes  addedTypes of Angles, Figures & Shapes. Part of the series: Geometry Tips. many different types of angles, figures and shapes make up math in general as well as geometry. Learn about the types of angles, figures and shapes in geometry with help from a longtime

04:02
What Does a Pianist See?  Eye Tracking  Episode 1
263 views / 0 likes  addedUsing eye tracking glasses, we answer the question of what a pianist sees while playing. OUR PARTNERS: •Tobii Pro: http://www.tobiipro.com/ •Steinway and Sons: https://www.steinway.com/ Filmed at Steinway Hall in NYC. PIANISTS: •Expert  Da

08:50
Visual Pythagorean Theorem Proof
366 views / 0 likes  addedVisual Pythagorean Theorem Proof  some basic geometry required

03:34
How Sound Works (In Rooms)
82 views / 0 likes  addedAcoustic Geometry shows how sound works in rooms using Nerf Disc guns, 1130 feet of fluorescent green string, and Moiré patterns, and a beforeandafter example.

18:18
2003 AIME II Problem 14
326 views / 0 likes  addedTrigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=EcBKdC8vOo

08:18
Musical fractals
208 views / 0 likes  addedBe sure to check out my video on HARMONIC POLYRHYTHMS to better understand why this crazy illusion works! https://www.youtube.com/watch?v=_gCJHNBEdoc SUPPORT ME ON PATREON: http://www.patreon.com/adamneely Follow me on the interwebs: http://www.facebook.c

02:43
The Man Teaching Math Lessons in the Sky
128 views / 0 likes  addedWinfred Randolph Lowe, aka, “Randy the Kite Man,” is a retired math teacher taking geometry to new heights. For the past 20 years, Winfred has spent his free time flying kites. Now he’s combining his two favorite pastimes to teach the fundamentals of geom

07:46
Let's Talk About Sets  Numberphile
222 views / 0 likes  addedDr Bobby Wilson talks about sets... Sumfree sets, fractal sets... All sorts of sets. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Extra b

07:34
Pixar: The Math Behind The Movies  Tony DeRose
308 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/pixarthemathbehindthemoviestonyderose The folks at Pixar are widely known as some of the world's best storytellers and animators. They are perhaps less recognized as some of the most innovative math whizz

24:10
Sandpiles  Numberphile
191 views / 0 likes  addedLuis David GarciaPuente discusses sandpiles, and how they produce amazing "fractal zeroes". Dr GarciaPuente is an associate professor at Sam Houston State University and was interviewed while attending an MSRIUP summer program. We'd also like to thank

03:22
ballet rotoscope
315 views / 0 likes  addedThis work is an experimental video created from a research about "Rotoscope" and “Computer Geometry”. Rotoscope is known as an traditional technique for creating animation invented in 1905 by Max Fleischer in which animators traced the actors

09:04
What's inside Samsung Galaxy S8?
162 views / 1 likes  addedDoes the new battery catch on fire? This is the first look into the soon to be released phone. Thanks to Techrax for the phone, check out his channel here: https://www.youtube.com/user/TechRax Subscribe and watch JerryRigEverything here: https://youtu.be/

03:46
Five things you didn't know about the Moon
266 views / 1 likes  addedFirst photos of the Moon... EVER. Lunar volcanoes! (Yes, the Moon used to have active volcanoes.) The wheels NASA built for the first moon rover. Oh, did you know the Moon is moving away from us? And the Moon has over 400,000 pounds of Earth stuff on it (

03:59
Why Do Honeybees Love Hexagons?  Zack Patterson And Andy Peterson
351 views / 1 likes  addedView full lesson: http://ed.ted.com/lessons/whydohoneybeeslovehexagonszackpattersonandandypeterson Honeybees are some of nature's finest mathematicians. Not only can they calculate angles and comprehend the roundness of the earth, these smart ins
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04:53
We Taught an AI To Synthesize Materials  Two Minute Papers #251
198 views / 0 likes  addedThe paper "Gaussian Material Synthesis" and its source code is available here: https://users.cg.tuwien.ac.at/zsolnai/gfx/gaussianmaterialsynthesis/ Our Patreon page: https://www.patreon.com/TwoMinutePapers We would like to thank our generous Patreon sup

06:00
The Coastline Paradox Explained
214 views / 0 likes  addedThe first 755 people to sign up for Brilliant will get 20% off their premium subscription: https://brilliant.org/RealLifeLore/ Get the RealLifeLore book here: http://amzn.to/2ieJLyN Please Subscribe: http://bit.ly/2dB7VTO Music is by Brandon Maahs. Check

13:13
1, 2, 3, 4 Stories About Math
34 views / 0 likes  addedFrom geometry to personal finance, there is one common denominator that links the stories in this reelthey are all about math.SUBSCRIBE: https://goo.gl/vR6AcbThis story is a part of our Human Condition series. Come along and let us connect you to some of

10:03
Four has Four Letters
225 views / 0 likes  addedFour is the only number in the English language which as as many letters as its value. Leave your findings below and please do comment (constructively!) on the findings of others. Here is the python code I used to track which binary sequences ended in 13

03:39
What Is The Shape of Space?
177 views / 0 likes  addedA collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com Jorge's PhDComics: http://www.phdcomics.com Numberphile video about sports in hyperbolic space: https://www.youtube.com/watch?v=u6Got0X41pY Sup

02:09
Here’s What It Would Take for Helicopters to Be as Big as Planes
209 views / 0 likes  addedSince the invention of flight, planes seem to have only gotten bigger. But what about helicopters? Why are they still so small? How Do Helicopters Fly Without Wings?  https://youtu.be/pVMT4hqFzQg For more epic stories of innovation that shaped our future

09:02
How To Think About Imaginary Numbers
141 views / 0 likes  addedSign up to brilliant.org with this link to receive a 20% discount! https://brilliant.org/upandatom/ For more info on imaginary numbers read these articles! https://betterexplained.com/articles/avisualintuitiveguidetoimaginarynumbers/ http://acko.net

09:50
A Hole in a Hole in a Hole  Numberphile
270 views / 0 likes  addedAudible: http://www.audible.com/numberphile Cliff's glassware: http://bit.ly/ACME_Klein Extras for this video: https://youtu.be/6Qpfv5y7WU More Cliff: http://bit.ly/Cliff_Videos Cliff references A Comprehensive Introduction to Differential Geometry by Mi

11:23
Dark Energy, Cosmology Part 2: Crash Course Astronomy #43
270 views / 0 likes  addedThe majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the Universe will expand f

07:43
How To Trisect An Angle With Origami  Numberphile
391 views / 0 likes  addedZsuzsanna Dancso trisects an angle using origami  follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J

32:44
The Power of Mathematical Visualization  The Great Courses
584 views / 0 likes  addedhttps://www.thegreatcoursesplus.com/show/the_power_of_mathematical_visualization?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 The Power of Mathematical Visualization teaches you these vital problemsolving skills in

12:41
Why The Universe Needs Dark Energy  Space Time  PBS Digital Studios
241 views / 1 likes  addedCheck out our sister channel Crash Course Physics to learn more about the basic foudations of Physics: https://www.youtube.com/watch?v=ZM8ECpBuQYE&list=PL8dPuuaLjXtN0ge7yDk_UA0ldZJdhwkoV Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us

07:06
This Is A Human Woman  BiDiPi #49
490 views / 0 likes  addedBiDiPi is a showcase of incredible creations from amazing artists. TWITTER: http://www.twitter.com/VsauceTwo *** CLICK "SHOW MORE" FOR LINKS TO EVERYTHING *** BUILD IT Li Hongbo’s Paper Sculptures https://www.youtube.com/watch?v=Pik2BcQF8ZQ https://www.yo

05:17
How many ways are there to prove the Pythagorean theorem?  Betty Fei
269 views / 0 likes  addedCheck out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/howmanywaysaretheretoprovethepythagoreantheorembettyfei What do Euclid, 12yearold Einstein, and American President James Garfield have in c

04:50
Why is Relativity Hard?  Special Relativity Chapter 1
169 views / 0 likes  addedThanks to http://www.brilliant.org/minutephysics for supporting this video! Thanks to my friend Mark Rober (https://www.youtube.com/channel/UCY1kMZp36IQSyNx_9h4mpCg) for making the spacetime globe, and to Grant Sanderson (https://www.youtube.com/3blue1bro

05:06
How Do Maglev Trains Work?  Christmas Lectures with Leonard Maunder
115 views / 0 likes  addedMaglev stands for magnetic levitation which is how these trains hover and are pushed along the tracks. Subscribe for regular science videos: http://bit.ly/RiSubscRibe While only three countries currently have operational maglev trains, China, Japan and So

08:29
Why Don’t We Have a Photo of a Black Hole Yet?
207 views / 1 likes  addedWondering where the Event Horizon Telescope is at with the world's first photo of a black hole? So are we. We headed back to MIT Haystack Observatory to find out. Read More: Event Horizon Telescope https://eventhorizontelescope.org/ MIT Haystack Observato

59:52
The Extraordinary Theorems of John Nash  with Cédric Villani
231 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

01:18
Can You Make 4 Triangles From 6 Matches?
484 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

04:31
Counting American Coins  Measurement And Data  Early Math  Khan Academy
325 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathmeasuredatatopic/ccearlymathmoney/v/countingdollars?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: htt

03:47
What Is the Shape of the Universe?
254 views / 0 likes  addedUnlike the Earth, the universe might actually be flat! But how do scientists know that, if we can’t observe it? Get 20% off http://www.domain.com domain names and web hosting when you use coupon code SEEKER at checkout! Read More: What is the Shape of the

04:22
Impossible Algebra Problem
569 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

01:44
Interpreting Twoway Tables  Data And Modeling  8th Grade  Khan Academy
327 views / 0 likes  addedLearn how to read twoway tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathcountingtopic/ccearlymathcounting/v/countingwithsmallnumbers?utm_source=YT&utm_medium=Desc&utm_c

03:25 Popular
Can You Solve This? AA + BB + CC = ABC
814 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

04:42
How Warren Buffett Tried To Trick Bill Gates In A Dice Game
288 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

04:01
Comparing Values With Calculator  Numbers And Operations  8th Grade  Khan Academy
367 views / 0 likes  addedLearn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cceighthgrademath/cc8thnumbersoperations/cc8thapproximatingirrationalnumbers/e/approximatingirr

05:57
How To Split A Cake Fairly Using Math
336 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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02:41
Multiplying Multiples Of Powers Of 10  Numbers And Operations  8th Grade  Khan Academy
331 views / 0 likes  addedLearn how to multiply (9 * 10^9) (2 * 10^3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cceighthgrademath/cc8thnumbersoperations/cc8thordersofmagnitude/e/ordersofmagnitude?utm_source=YT&utm_m

04:10
Approximating With Powers Of 10  Numbers And Operations  8th Grade  Khan Academy
330 views / 0 likes  addedLearn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cceighthgrademath/cc8thnumbersoperations/cc8thordersof

01:57
I Will Read Your Mind  Math Magic Trick
572 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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07:52
Find The 10 Digit Number Classic Puzzle And Solution
325 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
569 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
303 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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09:19
Can You Trust Your Eyes In Spacetime?  Space Time  PBS Digital Studios
254 views / 0 likes  addedWhat can you trust in Spacetime? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Last time we talked about what curvature means, looked at g

07:10
TOUGH Interview Question  Ways To Give 11 Coins To 3 People
281 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

04:52
Can You Solve The Two Rope Puzzle?
312 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

06:24
Can You Solve The Chameleon Riddle?
400 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

02:50
Why Some Molecules Have Evil Twins
265 views / 0 likes  addedA tiny change in a molecule’s geometry completely changes its effects on the human body. How We Made This Video (Ever & David Talk About Drugs): https://youtu.be/tefxgYP0BVM Thanks also to our supporters on https://www.patreon.com/MinuteEarth ____________
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10:20
SURPRISING Coin Flipping Probability  Flips To HH Versus HT
244 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

02:57
Viral Facebook Math Problem
446 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

08:27
Can You Solve The 3 Cards Riddle?
307 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
451 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

02:45
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?
321 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
291 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
321 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
258 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

05:09
Can You Solve The Snake Eyes Probability Riddle?
369 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

05:55
"Impossible" Logic Puzzle  How Many Liars Are At The Party?
357 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

07:49
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained
471 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

05:39
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD
360 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

15:15
Moving Faster Than The Speed Of Light? Special Relativity Velocity Addition Formula
320 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

04:53
Can You Solve The Friendship Riddle?
227 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

06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained
3,139 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

02:07
Perimeter & Area Song │ 3rd Grade Math Video For Elementary School Students
563 views / 0 likes  added1. Perimeter & Area Lesson: https://www.teacherspayteachers.com/Product/PerimeterandAreaWorksheetsWordProblemsQuizHomeworkMusicVideo2429557 ◀ Opens in New Window 2. LIMITED TIME OFFER! Save 80% by buying our complete collection: https://www.

03:29
Comparing Decimals Example 1  Decimals  4th Grade  Khan Academy
319 views / 1 likes  addedLearn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimals/e/comparing_decimals_1?utm_source=YT&utm_me

05:38
Decimals As Words  Decimals  4th Grade  Khan Academy
292 views / 0 likes  addedLearn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsintro/e/decimalsinwords?utm_source=YT&utm_medium=Desc&utm_campaign

03:21
Can You Solve A Puzzle That Fooled Richard Feynman?
263 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
453 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

01:49
This Matchstick Puzzle Is
316 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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02:32
Comparing Fractions Visually With Pies  Fractions  4th Grade  Khan Academy
316 views / 0 likes  addedComparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visuallycomparingfractions?utm_source=Y

03:40
Comparing Decimals Visually Example  4th Grade  Khan Academy
327 views / 0 likes  addedLearn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimalsvisually/e/comparingdecimalsvisually?utm_source=

02:55
Comparing Fractions On A Number Line  Fractions  4th Grade  Khan Academy
388 views / 0 likes  addedComparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visuallycomparingfractions?utm_source=YT&

03:17
Can YOU Solve It? This Question Stumped 75% Of PhD Economists
294 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"
158 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

06:55
Place Value For Decimals Greater Than One (examples)  4th Grade  Khan Academy
322 views / 0 likes  addedUnderstand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsgreaterthanone/e/decimalsgreaterthanoneintuition?ut

07:25
Can You Solve The Race To December 31 Riddle?
308 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

04:08
Plotting Decimal Numbers On A Number Line (examples)  Khan Academy
293 views / 0 likes  addedLearn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsnumberline/e/decimals_on_the_number_line_2?utm_

13:40
BEST Way To Play Memory (Card Game)  WIN Using Math
492 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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03:06
Decimal Intuition With Grids (examples)  Decimals  4th Grade  Khan Academy
352 views / 0 likes  addedDeepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsintro/e/decimalintuitionwith

04:37
Fractiondecimal Intuition Problems (examples)  4th Grade  Khan Academy
311 views / 0 likes  addedUnderstand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalfractions/e/fractiondecimalin

07:40
Comparing Numbers Represented In Different Ways  4th Grade  Khan Academy
310 views / 0 likes  addedExamples of Khan Academy practice problems where you compare decimals, fractions, and number diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimal

09:11
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer
380 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?
263 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

02:35
Comparing Fractions Visually With A Bar  Fractions  4th Grade  Khan Academy
305 views / 0 likes  addedLearn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visually

06:24
Can You Solve The Missing Sock Puzzle?
253 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

03:48
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869
355 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

11:27
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained
690 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

06:06
Equivalent Fractions And Different Wholes  Fractions  4th Grade  Khan Academy
375 views / 0 likes  addedLearn how two fractions are equivalent only if they refer to the same whole. For example, 1/2 of a small circle is not the same as 1/2 of a big circle. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourth

04:11
Decomposing Hundredths Into Tenths And Hundredths  4th Grade  Khan Academy
338 views / 0 likes  addedLearn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thfractionsunlikedenom/e/decomposefractionswith

05:13
Real Star Trek Like Transporter. Why This 3D Light Printer Is A HUGE Game Changer
102 views / 0 likes  addedComputed Axial Lithography is the first printer of it's kind. It can shape objects, allatonce, using specialized synthetic resin and rays of light. We Can Now 3D Print in Suspended Gravity (And It’s Mesmerizing!)  https://youtu.be/FgCedvTbKso Read More

02:51
The Horse Horseshoe Boots Viral Algebra Problem  The Correct Answer Explained
640 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
511 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?
281 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

01:47
Decompose Hundredths On Number Line  Fractions  4th Grade  Khan Academy
577 views / 0 likes  addedLearn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thfractionsunlikedenom/e/decomposefraction

03:09
Can You Solve The Marriage Logic Problem? 80% Fail
290 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

04:20
Visually Converting From Tenths To Hundredths  4th Grade  Khan Academy
335 views / 0 likes  addedLearn how to convert fractions from tenths to hundredths using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thfractionsunlikedenom/e/equivale

03:54
What's The Best Soup Can Size? The Optimal Cylinder Puzzle
294 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?
302 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?
332 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?
339 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

02:57
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser
333 views / 0 likes  addedIn 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a neverending 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

08:51
The Viral Balloon Puzzle  The REAL Answer Explained (Using Ph.D. Level Math)
268 views / 0 likes  addedThey 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/p6aMk82U Sources https://puzzling.stackexchange.com/que

05:52
Can You Solve The "MEANEST" SAT Test Question Ever?
293 views / 0 likes  addedOn 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

02:06
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?
583 views / 0 likes  addedCan you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7segment numbers (the block

06:18
Can You Solve The Diluted Wine Puzzle?
284 views / 1 likes  addedA servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it

04:30
Adults Are Arguing About This 3rd Grade Math Problem
352 views / 0 likes  added"If Sue runs around the track twice, and John runs around the track four times more than Sue, how many times does John run around the track?" This problem was given to 3rd graders. A parent disagreed with the answer the teacher was marking. After it was p

11:57
The Wallis Formula For π
218 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

07:47
Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question
380 views / 0 likes  addedThis problem has been asked in job interviews. On the morning of January 1, a hospital nursery has 3 boys and some number of girls. That night, a woman gives birth to a child, and the child is placed in the nursery. On January 2, a statistician conducts a

07:39
Can You Solve The Alien Extinction Riddle? Hard Job Interview Question
370 views / 0 likes  addedA single alien lands on Earth. Every day after that, each alien on Earth undergoes a transformation, which could be any of the four equally likely events: (a) the alien dies, (b) the alien does nothing, (c) the alien replicates itself (2 aliens total), (d

05:00
How ESAs Dark Energy Telescope Will Map the Dark Universe
69 views / 0 likes  addedESA is building its first space telescope to investigate how dark energy and dark matter control our universe. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Countdown to Launch: http://bit.ly/CTLplaylist Thumbnail Credit: Thales Alenia Spa

02:05
3D SHAPES SONG: Online Education Shape Songs Collection
597 views / 0 likes  addedGet the Companion Worksheet Set and other VideoLinked Teaching Resources at: Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] SUBSCRIBE TO OUR YOUTUBE CHANNEL: http://goo.gl/3H3bJ6 Learn the definition of various 3D shapes through e

05:27
Can You Solve The MindBending SelfCounting Sentence Riddle?
452 views / 0 likes  added"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d

02:57
Why Do Rivers Curve?
342 views / 1 likes  addedWe're now on Patreon! Please support us at: http://www.patreon.com/minuteearth Can you find an oxbow lake in GoogleEarth? Share your findings (pictures or coordinates) on Twitter, Facebook and other social media using the hashtag #oxbowlake And subscribe!
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