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  • 01:37 Translation Example | Transformations | Geometry | Khan Academy

    Translation Example | Transformations | Geometry | Khan Academy

    474 views / 0 likes - added

    Translation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa

  • 08:13 Points After Rotation | Transformations | Geometry | Khan Academy

    Points After Rotation | Transformations | Geometry | Khan Academy

    458 views / 1 likes - added

    Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

  • 02:46 Defining Rotation Example | Transformations | Geometry | Khan Academy

    Defining Rotation Example | Transformations | Geometry | Khan Academy

    482 views / 0 likes - added

    Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

  • 01:55 Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    513 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

  • 01:25 Using Rotation Widget | Transformations | Geometry | Khan Academy

    Using Rotation Widget | Transformations | Geometry | Khan Academy

    455 views / 0 likes - added

    Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai

  • 01:48 Using Reflection Tool | Transformations | Geometry | Khan Academy

    Using Reflection Tool | Transformations | Geometry | Khan Academy

    579 views / 0 likes - added

    Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp

  • 10:32 Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    476 views / 0 likes - added

    Rotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

  • 07:19 Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    447 views / 0 likes - added

    Reflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/reflections-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

  • 05:41 Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    454 views / 0 likes - added

    Points on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

  • 01:32 Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    493 views / 0 likes - added

    Formal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

  • 02:28 Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    501 views / 0 likes - added

    Drawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?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

    Geometry: An Interactive Journey to Mastery | The Great Courses

    430 views / 0 likes - added

    https://www.thegreatcoursesplus.com/geometry-an-interactive-journey-to-mastery?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)

    I HATE GOING UPSIDE DOWN!!! (Geometry Dash #3)

    908 views / 9 likes - added

    I 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

  • 10:01 Popular CUSTOM GEOMETRY DASH LEVELS?!?

    CUSTOM GEOMETRY DASH LEVELS?!?

    812 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/ap-7XaMMtH4 i never knew you could get custom geometry dash levels.. ► DanTDM MERCH :: http://www.dantdmshop

  • 07:23 Introduction To Transformations | Transformations | Geometry | Khan Academy

    Introduction To Transformations | Transformations | Geometry | Khan Academy

    443 views / 0 likes - added

    Introduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=De

  • 02:04 Non-Euclidean Geometry of a Sphere - Christmas Lectures with Philip Morrison

    Non-Euclidean Geometry of a Sphere - Christmas Lectures with Philip Morrison

    271 views / 0 likes - added

    According 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 non-Euclidean geometry applies. Watch the full lecture: http://www.rigb.org/christmas-lectures/watch/1968/gulliv

  • 57:34 Topology, Geometry And Life In Three Dimensions

    Topology, Geometry And Life In Three Dimensions

    460 views / 0 likes - added

    If 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?

    Can You Solve The Hardest Easy Geometry Problem?

    637 views / 1 likes - added

    In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you

  • 02:04 Compose Shapes | Geometry | Early Math | Khan Academy

    Compose Shapes | Geometry | Early Math | Khan Academy

    462 views / 0 likes - added

    Learn how to combine shapes to make other shapes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-composing-shapes/e/compose-shapes?utm_source=YT&utm_medium

  • 02:25 Halves And Fourths | Geometry | Early Math | Khan Academy

    Halves And Fourths | Geometry | Early Math | Khan Academy

    493 views / 0 likes - added

    Learn how to divide shapes into two or four equal sections. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/halves-and-fourths?utm_sou

  • 06:09 Recognizing Shapes | Geometry | Early Math | Khan Academy

    Recognizing Shapes | Geometry | Early Math | Khan Academy

    513 views / 0 likes - added

    Learn how to identify circles, triangles, squares, rectangles, rhombuses, and trapezoids. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-shapes/e/naming-sh

  • 01:31 Filling Rectangles With Squares | Geometry | Early Math | Khan Academy

    Filling Rectangles With Squares | Geometry | Early Math | Khan Academy

    467 views / 0 likes - added

    Learn how to fill rectangles with squares. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/filling-rectangles-with-same-sized-squares?

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

    Can You Solve This MIT Admissions Question? Geometry Problem, 1869

    547 views / 0 likes - added

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

  • 04:19 Cousin Fal's Shape Collection | Geometry | Early Math | Khan Academy

    Cousin Fal's Shape Collection | Geometry | Early Math | Khan Academy

    412 views / 0 likes - added

    Learn how to classify shapes based on their number of sides, number of corners, and side-lengths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-shapes/e/n

  • 02:52 Bauhaus Ballet: A Dance of Geometry

    Bauhaus Ballet: A Dance of Geometry

    255 views / 0 likes - added

    The 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

    Equal Parts Of Circles And Rectangles | Geometry | Early Math | Khan Academy

    475 views / 1 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/equal-parts-of-circles-and-rectangles?utm_source=YT&utm_medium=Desc&utm_campaign=Early

  • 04:33 Fractals: The Geometry of Chaos - Christmas Lectures with Ian Stewart

    Fractals: The Geometry of Chaos - Christmas Lectures with Ian Stewart

    280 views / 0 likes - added

    Using 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

    Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

    342 views / 0 likes - added

    Watch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

  • 08:17 Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

    Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

    450 views / 0 likes - added

    Watch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

  • 09:50 Popular Can You Solve This 6th Grade Geometry Problem From China?

    Can You Solve This 6th Grade Geometry Problem From China?

    848 views / 1 likes - added

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

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

    Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

    394 views / 0 likes - added

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

  • 04:13 Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

    Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

    501 views / 0 likes - added

    These homework problems were given to 10 year old children (Year 5) in England (Glossop, Derbyshire) and they were posted to Facebook when some adults found them to be difficult. One person claimed the problems were impossible to solve. Can you figure the

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

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

    708 views / 1 likes - added

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

  • 08:45 Fractals: How to Decode the Geometry of Chaos І The Great Courses

    Fractals: How to Decode the Geometry of Chaos І The Great Courses

    283 views / 0 likes - added

    Try a free month trial of The Great Courses Plus here: https://www.thegreatcoursesplus.com/special-offer?utm_source=US_OnlineVideo&utm_medium=SocialMediaEditorialYouTube&utm_campaign=136270 Let's begin by clarifying what's distinctive about fractals by co

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

    Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

    440 views / 0 likes - added

    A marshmallow has the shape of a cylinder with diameter 5 and height 3. A dessert is made with 24 marshmallows: there are two stacked layers of marshmallows, and each layer has 3 rows of 4 marshmallows. The gaps between the marshmallows are filled with ch

  • 03:59 Movie Geometry - Shaping the Way You Think

    Movie Geometry - Shaping the Way You Think

    231 views / 0 likes - added

    Shapes have meaning. That may sound crazy, but hear me out. Let's explore how cinematographers and directors create shapes inside the frame to add visual storytelling to their films. Twitter: http://bit.ly/1QvLI0H Patreon: http://bit.ly/1UaO9MU Music: htt

  • 02:06 Types of Angles, Figures & Shapes

    Types of Angles, Figures & Shapes

    467 views / 0 likes - added

    Types 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

  • 03:22 ballet rotoscope

    ballet rotoscope

    443 views / 0 likes - added

    This 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

  • 08:50 Visual Pythagorean Theorem Proof

    Visual Pythagorean Theorem Proof

    471 views / 0 likes - added

    Visual Pythagorean Theorem Proof - some basic geometry required

  • 18:18 2003 AIME II Problem 14

    2003 AIME II Problem 14

    390 views / 0 likes - added

    Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo

  • 01:29 Bionic Robot Butterflies

    Bionic Robot Butterflies

    492 views / 1 likes - added

    With the bionic butterflies, for the first time Festo combines the ultralight construction of artificial insects with collision-free flying behaviour in a collective. For coordination purposes, the eMotionButterflies make use of a guidance and monitoring

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  • 03:34 How Sound Works (In Rooms)

    How Sound Works (In Rooms)

    211 views / 0 likes - added

    Acoustic Geometry shows how sound works in rooms using Nerf Disc guns, 1130 feet of fluorescent green string, and Moiré patterns, and a before-and-after example.

  • 02:43 The Man Teaching Math Lessons in the Sky

    The Man Teaching Math Lessons in the Sky

    215 views / 0 likes - added

    Winfred 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

  • 03:31 How Does Colorblindness Work?

    How Does Colorblindness Work?

    323 views / 0 likes - added

    We see color thanks to complex coordination of signals from the eyes to the brain. Here's what happens when the signal gets scrambled. Learn more at HowStuffWorks.com: http://health.howstuffworks.com/human-body/systems/eye/colorblindness.htm Share on Face

  • 04:31 This Massive Asteroid Is Headed for Earth…. What Now?

    This Massive Asteroid Is Headed for Earth…. What Now?

    234 views / 0 likes - added

    This is how NASA intends to stop an asteroid before it slams into our planet, potentially ending civilization as we know it. Watch More Space Crafts! | https://www.youtube.com/watch?v=fW-YrNaxJFU&list=PL6uC-XGZC7X62DlXwags4wik2cK8k6FrM Read More: Planetar

  • 13:20 Testing Gamer vs Non-Gamer Brains: How Do Video Games Affect You? | WIRED

    Testing Gamer vs Non-Gamer Brains: How Do Video Games Affect You? | WIRED

    255 views / 2 likes - added

    Can video games help improve hand-eye coordination? Can they help train your brain and improve your cognitive abilities? WIRED Senior Editor Peter Rubin tests his skills against a pro sports gamer to find out if gaming can improve your brain and body. Sti

  • 02:35 Pounding Mochi With The Fastest Mochi Maker In Japan

    Pounding Mochi With The Fastest Mochi Maker In Japan

    485 views / 0 likes - added

    Mitsuo Nakatani is a mochi master, and to watch him do his work is a genuine thrill. Turning sticky rice into Japan’s traditional soft and chewy treat requires pounding, flipping and smashing the glutinous rice at high speeds in perfect coordination with

  • 01:18 Popular Sesame Street: "Look and Find Elmo on Sesame Street" App Preview

    Sesame Street: "Look and Find Elmo on Sesame Street" App Preview

    722 views / 0 likes - added

    "Look and Find® Elmo on Sesame Street is a new educational app from the creators of Potty Time with Elmo. In this app, everyone's favorite furry red monster needs help finding things that go HONK! and BOING! and CLANK! With Elmo as their guide, preschoole

  • 07:34 Pixar: The Math Behind The Movies - Tony DeRose

    Pixar: The Math Behind The Movies - Tony DeRose

    397 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/pixar-the-math-behind-the-movies-tony-derose 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

  • 05:49 Why We Keep People Awake During Brain Surgery

    Why We Keep People Awake During Brain Surgery

    76 views / 0 likes - added

    Recently, an awake craniotomy was performed on a violinist. So, what exactly is this surgery, and how does it work? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker

  • 03:06 Swarms of robotic fish can synchronize their swimming, for the first time

    Swarms of robotic fish can synchronize their swimming, for the first time

    110 views / 0 likes - added

    Swimming in sync is one of the most important lessons a school of fish can learn: The coordination helps them find foodand evade predators. But when scientists try to train robots to match this stunning natural feat, most fall short. Now, researchers have

  • 04:53 We Taught an AI To Synthesize Materials | Two Minute Papers #251

    We Taught an AI To Synthesize Materials | Two Minute Papers #251

    312 views / 0 likes - added

    The paper "Gaussian Material Synthesis" and its source code is available here: https://users.cg.tuwien.ac.at/zsolnai/gfx/gaussian-material-synthesis/ Our Patreon page: https://www.patreon.com/TwoMinutePapers We would like to thank our generous Patreon sup

  • 03:46 Five things you didn't know about the Moon

    Five things you didn't know about the Moon

    443 views / 3 likes - added

    First 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 (

  • 13:13 1, 2, 3, 4 Stories About Math

    1, 2, 3, 4 Stories About Math

    117 views / 0 likes - added

    From 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

  • 03:59 Why Do Honeybees Love Hexagons? - Zack Patterson And Andy Peterson

    Why Do Honeybees Love Hexagons? - Zack Patterson And Andy Peterson

    447 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/why-do-honeybees-love-hexagons-zack-patterson-and-andy-peterson 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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  • 21:19 The Mandelbrot Set - The only video you need to see!

    The Mandelbrot Set - The only video you need to see!

    79 views / 0 likes - added

    This video has been edited together from several documentaries to describe the Mandelbrot set in a simple, introduction/beginner fashion! What is the Mandelbrot set? An incredible mathematical formula explaining fractals and geometry! Several mathematicia

  • 12:56 15 DIY ILLUSIONS AND MAGIC TRICKS

    15 DIY ILLUSIONS AND MAGIC TRICKS

    329 views / 0 likes - added

    UNBELIEVABLE ILLUSIONS YOU CAN DRAW YOURSELF There are so many cool DIY illusions that you can actually draw on your own. The coolest thing about them is that you simply have to catch the main principle (like with 3D pictures, for example) and you'll draw

  • 10:03 Four has Four Letters

    Four has Four Letters

    272 views / 0 likes - added

    Four 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

  • 01:39 Robots learn to use their hands

    Robots learn to use their hands

    108 views / 0 likes - added

    Having robots learn dexterous tasks requiring real-time hand-eye coordination is hard. Many tasks that we would consider simple, like hanging up a baseball cap on a rack, would be very challenging for most robot software. What's more, for a robot to learn

  • 03:39 What Is The Shape of Space?

    What Is The Shape of Space?

    253 views / 0 likes - added

    A 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

  • 09:50 A Hole in a Hole in a Hole - Numberphile

    A Hole in a Hole in a Hole - Numberphile

    323 views / 0 likes - added

    Audible: http://www.audible.com/numberphile Cliff's glassware: http://bit.ly/ACME_Klein Extras for this video: https://youtu.be/6Qpfv5y-7WU More Cliff: http://bit.ly/Cliff_Videos Cliff references A Comprehensive Introduction to Differential Geometry by Mi

  • 21:12 The Infinite Pattern That Never Repeats

    The Infinite Pattern That Never Repeats

    188 views / 0 likes - added

    Simples rules of geometry meant that 5-fold symmetry was impossible as were crystals without a periodic structure. This turns out to be wrong. Thanks to LastPass for sponsoring a portion of this video. Click here to start using LastPass: https://ve42.co/L

  • 11:23 Dark Energy, Cosmology Part 2: Crash Course Astronomy #43

    Dark Energy, Cosmology Part 2: Crash Course Astronomy #43

    349 views / 0 likes - added

    The 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

  • 08:02 NASAs Plan to Stop an Asteroid Headed for Earth

    NASAs Plan to Stop an Asteroid Headed for Earth

    123 views / 0 likes - added

    Like this video about how NASA is preparing to stop an asteroid headed for earth, and subscribe here: https://freeth.ink/youtube-subscribe-asteroids Watch the next video in our series on Guardians of the Apocalypse: https://youtu.be/eHMdzWEU_c4 Estimates

  • 02:05 Think You're 'Double-Jointed'? You're Not. Here's What's Actually Going On

    Think You're 'Double-Jointed'? You're Not. Here's What's Actually Going On

    285 views / 0 likes - added

    Having joint hypermobility might be a fun party trick, but do you know what it does to your body? Why Do We Get Goosebumps? - https://youtu.be/JHJhgDOySC0 Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Why Are Some People Double

  • 10:44 The Napkin Ring Problem

    The Napkin Ring Problem

    83 views / 0 likes - added

    Brain Candy Live FALL TOUR: http://www.braincandylive.com/ticketsThe Curiosity Box: https://www.curiositybox.com/LINKS TO LEARN MORE BELOW!my twitter: http://www.twitter.com/tweetsauceAdam and I (but mainly Adam) making a kendama: https://www.youtube.com/

  • 07:43 How To Trisect An Angle With Origami - Numberphile

    How To Trisect An Angle With Origami - Numberphile

    467 views / 0 likes - added

    Zsuzsanna 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

  • 12:41 Why The Universe Needs Dark Energy | Space Time | PBS Digital Studios

    Why The Universe Needs Dark Energy | Space Time | PBS Digital Studios

    309 views / 1 likes - added

    Check 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 t-shirt at http://bit.ly/1QlzoBi Tweet at us

  • 32:44 Popular The Power of Mathematical Visualization | The Great Courses

    The Power of Mathematical Visualization | The Great Courses

    722 views / 0 likes - added

    https://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 problem-solving skills in

  • 05:17 How many ways are there to prove the Pythagorean theorem? - Betty Fei

    How many ways are there to prove the Pythagorean theorem? - Betty Fei

    400 views / 0 likes - added

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    101 views / 0 likes - added

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    Why is Relativity Hard? | Special Relativity Chapter 1

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  • 05:06 How Do Maglev Trains Work? - Christmas Lectures with Leonard Maunder

    How Do Maglev Trains Work? - Christmas Lectures with Leonard Maunder

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  • 16:40 My robotic basketball hoop won't let you miss

    My robotic basketball hoop won't let you miss

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    I wasn't totally satisfied with my previous basketball hoop so I made another try at the problem. This time with robots and computer vision! My old solid state hoop is old news. Long live our robot overlords. I wonder what V3 will look like... The basketb

  • 21:07 How I made a basketball hoop that always goes in

    How I made a basketball hoop that always goes in

    105 views / 0 likes - added

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

    The Extraordinary Theorems of John Nash - with Cédric Villani

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  • 04:31 Counting American Coins | Measurement And Data | Early Math | Khan Academy

    Counting American Coins | Measurement And Data | Early Math | Khan Academy

    466 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-money/v/counting-dollars?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: htt

  • 04:01 Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    490 views / 0 likes - added

    Learn 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/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr

  • 15:18 Automatic golf club replaces a bag of clubs and improves your game

    Automatic golf club replaces a bag of clubs and improves your game

    91 views / 0 likes - added

    I wanted to see if I could make myself a better golfer by combining robotic engineering and golf. The result is a robotic club that senses your swing and corrects your shot for distance. It should be possible to correct for slice and hook with some hardwa

  • 02:41 Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    468 views / 0 likes - added

    Learn how to multiply (9 * 10^9) (-2 * 10^-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude?utm_source=YT&utm_m

  • 01:44 Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

    Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

    441 views / 0 likes - added

    Learn how to read two-way tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/v/counting-with-small-numbers?utm_source=YT&utm_medium=Desc&utm_c

  • 04:10 Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    445 views / 0 likes - added

    Learn 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/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-

  • 03:47 What Is the Shape of the Universe?

    What Is the Shape of the Universe?

    346 views / 0 likes - added

    Unlike 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

  • 04:10 For These Tiny Spiders, It's Sing or Get Served | Deep Look

    For These Tiny Spiders, It's Sing or Get Served | Deep Look

    415 views / 0 likes - added

    Male jumping spiders perform courtship dances that would make Bob Fosse proud. But if they bomb, they can wind up somebody's dinner instead of their mate. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK is a ultra-HD (4K) short video series created

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

    Can You Solve This? AA + BB + CC = ABC

    1,206 views / 0 likes - added

    If 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/p6aMk-4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c

  • 08:56 Toyota T-HR3 Humanoid Robot

    Toyota T-HR3 Humanoid Robot

    334 views / 0 likes - added

    http://www.Motorward.com - Subscribe For More Cool Videos: https://goo.gl/2nkv2Z Toyota Motor Corporation (Toyota) today revealed T-HR3, the company's third generation humanoid robot. Toyota's latest robotics platform, designed and developed by Toyota's P

  • 09:19 Can You Trust Your Eyes In Spacetime? | Space Time | PBS Digital Studios

    Can You Trust Your Eyes In Spacetime? | Space Time | PBS Digital Studios

    322 views / 0 likes - added

    What 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

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

    Can You Make 4 Triangles From 6 Matches?

    615 views / 0 likes - added

    Can 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

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

    How Warren Buffett Tried To Trick Bill Gates In A Dice Game

    359 views / 0 likes - added

    Warren 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/p6aMk-4ro Source The dice numbers and the story are described at Microsoft Research's website for non-tran

  • 04:22 Popular Impossible Algebra Problem

    Impossible Algebra Problem

    810 views / 0 likes - added

    This 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/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

  • 05:57 How To Split A Cake Fairly Using Math

    How To Split A Cake Fairly Using Math

    416 views / 0 likes - added

    How 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 cake-cutting algorithms to produce

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  • 02:50 Why Some Molecules Have Evil Twins

    Why Some Molecules Have Evil Twins

    309 views / 0 likes - added

    A 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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  • 06:24 Popular The Seemingly Impossible Escape Logic Puzzle

    The Seemingly Impossible Escape Logic Puzzle

    803 views / 0 likes - added

    An 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/cgi-bin/yabb/YaBB.cgi?board

  • 14:13 Making an iPad case for blind to "see" with touch

    Making an iPad case for blind to "see" with touch

    123 views / 0 likes - added

    Thanks SimpliSafe for sponsoring this video. SimpliSafe is award-winning home security that keeps your home safe around the clock. It's really reliable, easy to use, and there are no contracts. Check out SimpliSafe here: https://Simplisafe.com/StuffMadeHe

  • 03:00 Multiply Numbers By Drawing Lines

    Multiply Numbers By Drawing Lines

    392 views / 0 likes - added

    Gow 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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  • 01:57 Popular I Will Read Your Mind - Math Magic Trick

    I Will Read Your Mind - Math Magic Trick

    728 views / 1 likes - added

    Pick 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

    Find The 10 Digit Number Classic Puzzle And Solution

    457 views / 0 likes - added

    I'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:

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

    TOUGH Interview Question - Ways To Give 11 Coins To 3 People

    356 views / 0 likes - added

    How many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of non-negat

  • 06:24 Can You Solve The Chameleon Riddle?

    Can You Solve The Chameleon Riddle?

    541 views / 0 likes - added

    A 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

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

    Can You Solve The Two Rope Puzzle?

    414 views / 0 likes - added

    You 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

  • 10:20 SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    307 views / 0 likes - added

    What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri

  • 05:41 Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)

    Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)

    137 views / 0 likes - added

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

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

    The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

    404 views / 0 likes - added

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

  • 02:57 Viral Facebook Math Problem

    Viral Facebook Math Problem

    670 views / 1 likes - added

    This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t

  • 03:29 Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    439 views / 1 likes - added

    Learn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me

  • 05:38 Decimals As Words | Decimals | 4th Grade | Khan Academy

    Decimals As Words | Decimals | 4th Grade | Khan Academy

    371 views / 0 likes - added

    Learn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimals-in-words?utm_source=YT&utm_medium=Desc&utm_campaign

  • 06:57 When Is Christmas? Mentally Convert Date To Day Of The Week

    When Is Christmas? Mentally Convert Date To Day Of The Week

    319 views / 0 likes - added

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

  • 02:23 This SAT Math Question Has A Mistake

    This SAT Math Question Has A Mistake

    382 views / 0 likes - added

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

  • 03:31 How Logical Are You? The Irrationality Illusion Tricks Most

    How Logical Are You? The Irrationality Illusion Tricks Most

    570 views / 0 likes - added

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

  • 08:27 Can You Solve The 3 Cards Riddle?

    Can You Solve The 3 Cards Riddle?

    408 views / 0 likes - added

    There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place

  • 02:55 Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    527 views / 0 likes - added

    Comparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&

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

    Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

    627 views / 0 likes - added

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

  • 02:32 Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    435 views / 0 likes - added

    Comparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=Y

  • 03:40 Comparing Decimals Visually Example | 4th Grade | Khan Academy

    Comparing Decimals Visually Example | 4th Grade | Khan Academy

    470 views / 0 likes - added

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

  • 03:33 Can You Solve This Intelligence Test? Viral Facebook Puzzle

    Can You Solve This Intelligence Test? Viral Facebook Puzzle

    427 views / 0 likes - added

    If 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

  • 06:55 Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    459 views / 0 likes - added

    Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut

  • 04:08 Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    396 views / 0 likes - added

    Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_

  • 03:06 Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    493 views / 0 likes - added

    Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-

  • 04:37 Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    431 views / 0 likes - added

    Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in

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

    Can You Solve The Snake Eyes Probability Riddle?

    484 views / 0 likes - added

    You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s

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

    "Impossible" Logic Puzzle - How Many Liars Are At The Party?

    455 views / 0 likes - added

    A 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

  • 07:40 Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    449 views / 0 likes - added

    Examples 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/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimal

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

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

    495 views / 0 likes - added

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

  • 02:35 Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    456 views / 0 likes - added

    Learn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually

  • 06:06 Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    486 views / 0 likes - added

    Learn 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/cc-fourth-

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

    Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained

    4,850 views / 0 likes - added

    This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video presents what

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

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

    419 views / 0 likes - added

    If train A is moving towards train B, and each train moves at 75% the speed of light (relative to the ground), will an observer on train A think that train B is moving at 150% the speed of light? But nothing moves faster than the speed of light, so what i

  • 04:11 Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    461 views / 0 likes - added

    Learn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with

  • 01:47 Popular Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    703 views / 0 likes - added

    Learn 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/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction

  • 04:53 Can You Solve The Friendship Riddle?

    Can You Solve The Friendship Riddle?

    293 views / 0 likes - added

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

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

    Can You Solve A Puzzle That Fooled Richard Feynman?

    366 views / 0 likes - added

    What is the radius of the circle, in simplest terms involving a, b, and c? I read that even the great mind Richard Feynman made a mistake. Watch the video to learn the common mistake and what the correct answer is. Source Feynman story http://web.media.mi

  • 13:40 BEST Way To Play Memory (Card Game) - WIN Using Math

    BEST Way To Play Memory (Card Game) - WIN Using Math

    634 views / 0 likes - added

    The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game mathematically. You can le

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  • 04:20 Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    444 views / 0 likes - added

    Learn 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/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/equivale

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

    Can YOU Solve It? This Question Stumped 75% Of PhD Economists

    362 views / 0 likes - added

    Introductory economics courses cover the concept of an opportunity cost. Can you figure out the opportunity cost for the problem in the video? This video presents a question that surprisingly more than 75% of PhD economists did not answer correctly. Paper

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

    Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

    508 views / 0 likes - added

    Start with a unit square (a rectangle with both sides equal to 1, call it R1). Attach a rectangle of area 1 to its right side, then attach a rectangle of area 1 to its top. The border of this new shape is another rectangle, call it R2. We can repeat the p

  • 03:28 Flower Math Problem - Adults Stumped By Question For Kids In China

    Flower Math Problem - Adults Stumped By Question For Kids In China

    613 views / 2 likes - added

    This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video

  • 05:48 What Is The Area? "You Should Be Able To Solve This"

    What Is The Area? "You Should Be Able To Solve This"

    229 views / 0 likes - added

    Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi

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

    Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

    523 views / 0 likes - added

    The Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for $216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch

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

    Can You Solve The Race To December 31 Riddle?

    423 views / 0 likes - added

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

  • 01:49 This Matchstick Puzzle Is

    This Matchstick Puzzle Is

    438 views / 1 likes - added

    This classic matchstick/toothpick puzzle is making the rounds because it is supposedly "extremely hard" for adults. Can you make 3 squares by moving 3 matchsticks? You cannot break any of the sticks, the resulting squares must be of equal size, and each t

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  • 13:17 I made a robot to cut my hair with scissors

    I made a robot to cut my hair with scissors

    62 views / 0 likes - added

    My hair is getting too long so I decided to build a robot to cut it for me. To support future projects like this check out my patreon: http://patreon.com/stuffmadehereIf you like this project you'll probably like my iPad case that lets you see blindfolded

  • 02:51 Popular The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

    The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

    881 views / 1 likes - added

    A lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:

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

    Can You Solve The Missing Sock Puzzle?

    332 views / 0 likes - added

    A statistician keeps a simple wardrobe. He only purchases pairs of black socks and white socks, and he keeps all of the socks in a pile in the drawer. Recently one of the socks was lost in the laundry. The socks have a mathematical property. If you select

  • 05:13 Real Star Trek Like Transporter. Why This 3D Light Printer Is A HUGE Game Changer

    Real Star Trek Like Transporter. Why This 3D Light Printer Is A HUGE Game Changer

    172 views / 0 likes - added

    Computed Axial Lithography is the first printer of it's kind. It can shape objects, all-at-once, 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

  • 05:26 Can You Solve The Red Ball Lottery Puzzle?

    Can You Solve The Red Ball Lottery Puzzle?

    370 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

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

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

    1,009 views / 1 likes - added

    If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I present what many

  • 05:33 What is 6÷2(1+2) = ? The Correct Answer Explained

    What is 6÷2(1+2) = ? The Correct Answer Explained

    600 views / 0 likes - added

    What 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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  • 02:37 Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?

    Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?

    448 views / 0 likes - added

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

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

    Can You Solve The Marriage Logic Problem? 80% Fail

    390 views / 0 likes - added

    Surveys have found 80 percent get this logic problem wrong. Alice is looking at Bob, and Bob is looking at Charlie. Alice is married; Charlie is not. Is a married person looking at an unmarried person? Answer choices are A) Yes, B) No, and C) Cannot be de

  • 07:40 Can You Solve The 21 Flags Game From Survivor?

    Can You Solve The 21 Flags Game From Survivor?

    437 views / 0 likes - added

    Contestants on the TV show "Survivor" faced off in a series of challenges for a grand prize of $1 million. Most of the challenges were physical like hiking many miles or diving underwater. But one challenge was mathematical. The game had 21 flags and cont

  • 08:19 Can You Solve The Spies Sharing Secrets Puzzle?

    Can You Solve The Spies Sharing Secrets Puzzle?

    350 views / 1 likes - added

    After 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

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

    What's The Best Soup Can Size? The Optimal Cylinder Puzzle

    415 views / 0 likes - added

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

  • 08:51 The Viral Balloon Puzzle - The REAL Answer Explained (Using Ph.D. Level Math)

    The Viral Balloon Puzzle - The REAL Answer Explained (Using Ph.D. Level Math)

    408 views / 0 likes - added

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

  • 02:06 Popular Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

    Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

    1,049 views / 0 likes - added

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

  • 05:52 Can You Solve The "MEANEST" SAT Test Question Ever?

    Can You Solve The "MEANEST" SAT Test Question Ever?

    390 views / 0 likes - added

    On the SAT exam, you have about 2 minutes to read and solve each math question. This one about averages can send you in a loop, unless you approach it systematically. In the video I also explain a shortcut to help you solve this type of problem quickly. S

  • 07:21 Can You Solve The Magical Pond Puzzle?

    Can You Solve The Magical Pond Puzzle?

    438 views / 1 likes - added

    (Same video with music: https://youtu.be/nF-Gpk0ZpRk) You visit a shrine that has 3 temples. Before each temple, you have to swim in a magical pond. Your path is pond-temple1-pond-temple2-pond-temple 3. Each time you swim, the pond magically triples the n

  • 02:57 Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

    Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

    445 views / 0 likes - added

    In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an intuitive solution. Techn

  • 06:18 Can You Solve The Diluted Wine Puzzle?

    Can You Solve The Diluted Wine Puzzle?

    386 views / 1 likes - added

    A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it

  • 04:30 Adults Are Arguing About This 3rd Grade Math Problem

    Adults Are Arguing About This 3rd Grade Math Problem

    477 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

    The Wallis Formula For π

    315 views / 0 likes - added

    Start with the pair of fractions (2/1)(2/3). Now increment each number by 2 to get the pair of fractions (4/3)(4/5). Repeat this to get the next pair, and repeat this infinitely many times. If you then multiply all the fractions, you get a marvelous value

  • 07:39 Can You Solve The Alien Extinction Riddle? Hard Job Interview Question

    Can You Solve The Alien Extinction Riddle? Hard Job Interview Question

    491 views / 0 likes - added

    A 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

  • 07:47 Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question

    Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question

    498 views / 0 likes - added

    This 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

  • 05:00 How ESAs Dark Energy Telescope Will Map the Dark Universe

    How ESAs Dark Energy Telescope Will Map the Dark Universe

    139 views / 0 likes - added

    ESA 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

  • 05:27 Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

    Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

    605 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?

    Why Do Rivers Curve?

    442 views / 1 likes - added

    We'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!

  • 26:11 Which Way Is Down?

    Which Way Is Down?

    90 views / 0 likes - added

    BRAIN CANDY LIVE http://www.braincandylive.com/ticketsTHE VSAUCE CURIOSITY BOX: https://www.curiositybox.com/Links to sources and to learn more below!my twitter https://twitter.com/tweetsaucemy instagram https://www.instagram.com/electricpantsThanks to Er

  • 05:44 Doggerland: A Real-Life Atlantis

    Doggerland: A Real-Life Atlantis

    55 views / 0 likes - added

    Go to http://Brilliant.org/SciShow to try their Geometry Fundamentals course. The first 200 subscribers get 20% off an annual Premium subscription.Though we probably wont find a literal Atlantis beneath the sea, that doesnt mean that a human settlement ha


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