KidzTube
Welcome
Login / Register

Math


  • 04:47 Puzzles: 5 "easy"... and one impossible!! (with answers)

    Puzzles: 5 "easy"... and one impossible!! (with answers)

    / 8 views

    ★★ For more broccoli puzzles stuffs... Subscribe to DB! ★★ The überchallenge is to solve the impossible parking lot question (brain teaser puzzle) at the end. But first warm up with some supposedly "easy" puzzles at the beginning. I hope you enjoy it and

  • 03:50 Most People Fail!!  (IQ test with answers)

    Most People Fail!! (IQ test with answers)

    / 8 views

    Most people fail!! That's because they are either artists or scientists, but rarely both! See if you are smart enough to pass this Brain Test. Let me know in the comments! I hope you enjoy this brain challenge. I have combined visual memory with number me

  • 03:28 95% Fail: 8 funny trick questions your friends will ALWAYS get wrong! (with answers)

    95% Fail: 8 funny trick questions your friends will ALWAYS get wrong! (with answers)

    / 12 views

    These are 8 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 8 funny brain teasers because I am sure that no-one would get them right when asked spontaneously. See for yourself, whether you will get the right

  • 05:18 Can you solve the rebel supplies riddle? - Alex Gendler

    Can you solve the rebel supplies riddle? - Alex Gendler

    / 39 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/tededmislabelledboxes/ You’re overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packa

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

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

    / 10 views

    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

  • 07:45 The Monty Hall Problem - Christmas Lectures with Ian Stewart

    The Monty Hall Problem - Christmas Lectures with Ian Stewart

    / 10 views

    Ian Stewart explains the Monty Hall problem and its solution. Subscribe for regular science videos: http://bit.ly/RiSubscRibe The Monty Hall problem became infamous in the 1990s where newspaper columnist and puzzle solver Marilyn vos Savant offered a solu

  • 02:50 Urban planners aim to eliminate slums—with a mathematical approach

    Urban planners aim to eliminate slums—with a mathematical approach

    / 128 views

    Researchers are testing a tool based on a "topological view" of cities and slums to improve the design of growing urban areas Read the story: https://scim.ag/2Nv8Gw1 Read the paper (free): http://advances.sciencemag.org/content/4/8/eaar4644 CREDITS ------

  • 02:09 What is a fractal? A lens to infinity

    What is a fractal? A lens to infinity

    / 124 views

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

  • 01:34 Matchstick Dog

    Matchstick Dog

    / 222 views

    If you solve this puzzle before the answer is given, you are the top-dog in the class. Congratulations! SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow

  • 01:30 Left-Facing Fish

    Left-Facing Fish

    / 227 views

    Deane and Rob present a matchstick problem concerning left-facing and right-facing fish. See if you can solve the problem before the answer is given. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Fa

  • 02:00 Maps, States & Borders

    Maps, States & Borders

    / 124 views

    Deane challenges Rob with a mathematical problem concerning maps, states and borders. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https:/

  • 02:36 Making Toast Fast

    Making Toast Fast

    / 89 views

    Deane presents a mathematical problem which starts with a broken toaster and ends with fast toast! SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twit

  • 04:39 The mysterious isochronous curve

    The mysterious isochronous curve

    / 22 views

    It's a big name, but the isochronous curve deserves it. Rob shows you how to draw one easily and then how to investigate its extraordinary properties.

  • 04:12 Window Puzzles

    Window Puzzles

    / 221 views

    Deane presents two window puzzles which depend on your ability to compare areas. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twit

  • 01:51 How to cut a pipe squarely

    How to cut a pipe squarely

    / 67 views

    Cutting a section of pipe or cylindrical rod is tricky - the cut goes sideways or doesn't meet itself, but Rob shows a simple way to cut a pipe squarely every time.

  • 01:41 Measuring Volume with a Ruler

    Measuring Volume with a Ruler

    / 229 views

    Deane demonstrates a method for measuring the volume of an irregular container. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twitt

  • 03:42 Magically-Linked Donuts

    Magically-Linked Donuts

    / 27 views

    Deane challenges viewers to find a way to cut a donut in halves, forming two linked circles. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤

  • 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

    / 133 views

    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

  • 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)

    / 117 views

    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

  • 07:52 What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract

    What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract

    / 215 views

    Follow me on: Get your subscription box here: https://www.theactionlab.com Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you what a movement through a fourth spatial dimension would lo

  • 05:08 Can you solve the Leonardo da Vinci riddle? - Tanya Khovanova

    Can you solve the Leonardo da Vinci riddle? - Tanya Khovanova

    / 175 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/tededautobiographical/ You’ve found Leonardo da Vinci’s secret vault, secured by a series of combination locks. Fortunately, your treasure map ha

  • 07:58 ARCHIMEDES - The Greatest Mathematician And Inventors In History | Vlog #40 by HooplakidzLab

    ARCHIMEDES - The Greatest Mathematician And Inventors In History | Vlog #40 by HooplakidzLab

    / 180 views

    The Most Famous Mathematician and Inventors In History - The ARCHIMEDES. Today,s Vlog is all about the life of Archimedes, his Legacy, and Inventions. Do share your thoughts in the comment section down below. Subscribe HooplakidzLab: http://bit.ly/1V77IUh

  • 16:55 Calculating π by hand: the Chudnovsky algorithm

    Calculating π by hand: the Chudnovsky algorithm

    / 209 views

    For Pi Day 2018 I calculated π by hand using the Chudnovsky algorithm. https://en.wikipedia.org/wiki/Chudnovsky_algorithm k = 0 42698672/13591409 = 3.141592|751... k = 0 and k = 1 42698670.666333435968/13591408.9999997446 = 3.14159265358979|619... Watch m

  • 14:53 How thick is a three-sided coin?

    How thick is a three-sided coin?

    / 178 views

    Go check out the puzzles over on Brilliant! https://brilliant.org/standupmaths Use the URL above to help support this video and get 20% off the paid premium versions. Once you’ve done that: help us calculate the thickness of a three-sided coin! The bonus

  • 14:53 THE SCUTOID: did scientists discover a new shape?

    THE SCUTOID: did scientists discover a new shape?

    / 64 views

    Read the Nature paper for yourself: "Scutoids are a geometrical solution to three-dimensional packing of epithelia" https://www.nature.com/articles/s41467-018-05376-1 Thanks to Laura and Clara for helping me with the video! You can download Laura's model

  • 12:17 How to detect bank fraud with maths

    How to detect bank fraud with maths

    / 176 views

    I chat to Daniel from the financial crime and security team at Monzo to talk about how they used maths to detect a data breach at Ticketmaster which exposed people to bank fraud. Here is their post about what happened: https://monzo.com/blog/2018/06/28/ti

  • 02:23 Tricks to Learn When Multiplying and Dividing Fractions With Mixed Numbers

    Tricks to Learn When Multiplying and Dividing Fractions With Mixed Numbers

    / 322 views

    Tricks to Learn When Multiplying and Dividing Fractions With Mixed Numbers. Part of the series: Math Help With Multiplying. When it comes to learning multiplying and dividing, a few tricks can make things easier. Learn about tricks to getting the hang of

  • 01:48 How to Multiply Negative Mixed Numerals

    How to Multiply Negative Mixed Numerals

    / 221 views

    How to Multiply Negative Mixed Numerals. Part of the series: Math Help With Multiplying. Multiplying negative mixed numerals quires you to keep a few very important things in mind. Find out how to multiply negative mixed numerals with help from a mathemat

  • 01:43 How to Multiply With Parentheses

    How to Multiply With Parentheses

    / 11 views

    How to Multiply With Parentheses. Part of the series: Math Help With Multiplying. Multiplying with parenthesis requires you to do things in a very specific order. Find out about multiplying with parenthesis with help from a mathematics educator in this fr

  • 02:08 Tutorial for Adding & Subtracting Fractions

    Tutorial for Adding & Subtracting Fractions

    / 195 views

    Tutorial for Adding & Subtracting Fractions. Part of the series: Adding and Subtracting Fractions. Adding and subtracting fractions is a lot like riding a bike - once you know how, you never forget. Get a tutorial for adding and subtracting fractions with

  • 04:22 How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants

    How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants

    / 61 views

    How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants. Part of the series: Finding and Using the Area of a Triangle. You can use the coordinates of a triangle's vertices and determines, along with a very specific rule

  • 01:32 How to Solve for the Height of Cylinders

    How to Solve for the Height of Cylinders

    / 239 views

    How to Solve for the Height of Cylinders. Part of the series: Algebra Tips. Solving for the height of cylinders can be accomplished in just a few moments with the right equation. Learn how to solve for the height of cylinders with help from an experienced

  • 02:41 How to Substitute Known or Given Values for the Variables in an Algebraic Expression

    How to Substitute Known or Given Values for the Variables in an Algebraic Expression

    / 307 views

    Substituting known or given values for a variable is required to complete some types of operations. Learn how to substitute known or given values for a variable with help from a mathematics tutor and educator in this free video clip.

  • 01:59 Graphing Inequalities on a Number Line

    Graphing Inequalities on a Number Line

    / 182 views

    When graphing inequalities on a number line, the number line should have 0 in the center and negative numbers on the left side, with positive numbers on the right. Graph inequalities, such as X is greater than 2, with tips from a math teacher in this free

  • 01:42 How To Use Rounding in Math Problems

    How To Use Rounding in Math Problems

    / 306 views

    How To Use Rounding in Math Problems. Part of the series: Math Problems. In certain math problems rounding may actually make finding a solution easier and more clear. Use rounding in math problems with help from a mathematics educator in this free video c

  • 03:04 Steps to Solve Quadradic Equations

    Steps to Solve Quadradic Equations

    / 197 views

    Steps to Solve Quadradic Equations. Part of the series: Equations. Quadtratic equations can be easily solved by following a straightforward, step-by-step process. Learn the steps to solve quadratic equations with help from a mathematics tutor and educator

  • 02:20 How to Solve Sine & Cosine Equations

    How to Solve Sine & Cosine Equations

    / 269 views

    How to Solve Sine & Cosine Equations. Part of the series: Equations. Sine and cosine equations need to be solved in a very specific way. Learn how to solve sine and cosine equations with help from an experienced math tutor in this free video clip. Read mo

  • 03:05 Four Steps to Solve a Absolute Value Equation

    Four Steps to Solve a Absolute Value Equation

    / 135 views

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

  • 01:46 Easy Way of Learning to Subtract Fractions With Whole Numbers

    Easy Way of Learning to Subtract Fractions With Whole Numbers

    / 19 views

    Easy Way of Learning to Subtract Fractions With Whole Numbers. Part of the series: Simple Math. When it comes to subtracting with fractions, you're going to want to keep a few very important things in mind. Find out an easy way of learning subtracting wit

  • 01:41 How to Add and Subtract Mixed Numbers and Show the Work

    How to Add and Subtract Mixed Numbers and Show the Work

    / 98 views

    How to Add and Subtract Mixed Numbers and Show the Work. Part of the series: Adding and Subtracting Fractions. When adding and subtracting mixed numbers it is always important to remember to show your work. Add and subtract mixed numbers and show the work

  • 01:56 How to Do Fractional Coefficients

    How to Do Fractional Coefficients

    / 331 views

    How to Do Fractional Coefficients. Part of the series: Math Problems. Fractional coefficients need to be completed in a very specific way. Learn how to do fractional coefficients in math problems with help from a mathematics educator in this free video cl

  • 01:34 What Happens When a Fraction Is Multiplied by Its Reciprocal?

    What Happens When a Fraction Is Multiplied by Its Reciprocal?

    / 147 views

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

  • 00:57 How Do You Multiply Numbers in Brackets?

    How Do You Multiply Numbers in Brackets?

    / 211 views

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

  • 02:53 Slope Equation for Intersecting Lines

    Slope Equation for Intersecting Lines

    / 74 views

    Slope Equation for Intersecting Lines. Part of the series: Equations. Intersecting lines can be properly expressed using the correct slope equation. Find out about the slope equation for intersecting lines with help from a mathematics tutor and educator i

  • 02:15 How to Add Square Roots to Numerator Fractions

    How to Add Square Roots to Numerator Fractions

    / 257 views

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

  • 01:14 How to Multiply to Get the Area of a Parallelogram

    How to Multiply to Get the Area of a Parallelogram

    / 257 views

    How to Multiply to Get the Area of a Parallelogram. Part of the series: Perimeter, Area and Decimals. Multiplication is one way you can find the area of a parallelogram pretty easily. Multiply to get the area of a parallelogram with help from a longtime m

  • 02:06 Types of Angles, Figures & Shapes

    Types of Angles, Figures & Shapes

    / 204 views

    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

  • 02:17 The Advantages of Using the Least Common Denominator When Adding & Subtracting Denominators

    The Advantages of Using the Least Common Denominator When Adding & Subtracting Denominators

    / 98 views

    The Advantages of Using the Least Common Denominator When Adding & Subtracting Denominators. Part of the series: Adding and Subtracting Fractions. Using the least common denominator when adding and subtracting fractions certainly has its fair share of adv

  • 11:13 Last Cards Match - Numberphile

    Last Cards Match - Numberphile

    / 54 views

    Numberphile Playing Cards: http://bit.ly/NumberphileCards More card videos: http://bit.ly/Cards_Shuffling More links & stuff in full description below ↓↓↓ Featuring Tadashi Tokieda, a professor of mathematics at Stanford University. More Tadashi Videos: h

  • 05:35 Balls and Cones - Numberphile

    Balls and Cones - Numberphile

    / 177 views

    This is a (stand-alone) continuation of the previous video at: https://youtu.be/2vnqSwWAn34 Featuring Tadashi Tokieda. More links & stuff in full description below ↓↓↓ More Tadashi: http://bit.ly/tadashi_vids Playing cards latest: http://www.bradyharanblo

  • 16:26 Earthquakes, Circles and Spheres - Numberphile

    Earthquakes, Circles and Spheres - Numberphile

    / 50 views

    Tadashi is back with a discussion of how we know where earthquakes occur. A second video is at: https://youtu.be/lubGnk0UZt0 More links & stuff in full description below ↓↓↓ More Tadashi Tokieda at: http://bit.ly/tadashi_vids Podcasts HELLO INTERNET http:

  • 16:19 The Cross Ratio - Numberphile

    The Cross Ratio - Numberphile

    / 100 views

    One of the most famous free kicks ever taken - but how far from the goal was Brazil's Roberto Carlos? More links & stuff in full description below ↓↓↓ Discussed by Federico Ardila from San Francisco State University. More Federico videos: http://bit.ly/Fe

  • 04:36 How to make a Klein Bottle from an old pair of jeans - Numberphile

    How to make a Klein Bottle from an old pair of jeans - Numberphile

    / 221 views

    More Klein bottle videos: http://bit.ly/KleinBottles More links & stuff in full description below ↓↓↓ Visit Cliff Stoll's online store: http://www.kleinbottle.com/ More Cliff videos: http://bit.ly/Cliff_Videos Numberphile is supported by the Mathematical

  • 11:37 Floating Balls and Lift - Numberphile

    Floating Balls and Lift - Numberphile

    / 321 views

    Tadashi discusses pressure and lift... with a toy of course! More links & stuff in full description below ↓↓↓ Lift and wings on Sixty Symbols: https://youtu.be/PF22LM8AbII Tadashi Playlist: http://bit.ly/tadashi_vids You can buy version of this toy on Ama

  • 10:51 Math Antics - Intro to the Metric System

    Math Antics - Intro to the Metric System

    / 262 views

    Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

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

    Can You Solve A Puzzle That Fooled Richard Feynman?

    / 105 views

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

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

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

    / 27 views

    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

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

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

    / 164 views

    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

  • 09:15 5-Sided Square - Numberphile

    5-Sided Square - Numberphile

    / 166 views

    Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2 This video features Cliff Stoll. More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Buy a Klein Bottle fro

  • 08:15 The Mathematics of Locomotion - Christmas Lectures with Ian Stewart

    The Mathematics of Locomotion - Christmas Lectures with Ian Stewart

    / 32 views

    The scof all living things is governed by nerve impulses that follow a pattern of travelling waves. This is true for the trot of a horse, the tripod gait of an ant, the undulating movement of the millipede and even the slither of a snake. Subscribe for re

  • 05:13 Can you solve the rogue AI riddle? - Dan Finkel

    Can you solve the rogue AI riddle? - Dan Finkel

    / 168 views

    Practice more problem-solving at https://brilliant.org/TedEd/ If you sign up for a FREE membership using the link above, Brilliant will email you the solution to the BONUS RIDDLE. A hostile artificial intelligence called NIM has taken over the world’s com

  • 11:50 The Golden Angle - Christmas Lectures with Ian Stewart

    The Golden Angle - Christmas Lectures with Ian Stewart

    / 75 views

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

  • 05:51 The Mathematics of Walking and Gait - Christmas Lectures with Philip Morrison

    The Mathematics of Walking and Gait - Christmas Lectures with Philip Morrison

    / 54 views

    Just like the extent of the swing of a pendulum is proportional to the length of the pendulum, the pace of an animal walking is proportional to the length of the leg of the animal. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the

  • 10:12 21-card trick - Numberphile

    21-card trick - Numberphile

    / 125 views

    A simple trick with some neat math behind it. More on Numberphile cards at: http://www.bradyharanblog.com/numberphile-playing-cards More links & stuff in full description below ↓↓↓ More cards video: http://bit.ly/Cards_Shuffling This vi

  • 04:40 How exactly does binary code work? - José Américo N L F de Freitas

    How exactly does binary code work? - José Américo N L F de Freitas

    / 109 views

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-exactly-does-binary-code-work-jose-americo-n-l-f-freitas Imagine trying to use words to describe every scene in a film, every note in a song, or eve

    Featured
  • 05:53 Are We Breathing Caesar's Last Breath

    Are We Breathing Caesar's Last Breath

    / 62 views

    Submit your vote for America’s favorite novel! https://to.pbs.org/2Jes2X5 Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? And why did Albert Einstein try to break into the refrigerator business? We talked to

  • 06:59 Can animals predict the future? Meet Barry the Psychic Labrador!

    Can animals predict the future? Meet Barry the Psychic Labrador!

    / 39 views

    Barry the Psychic Labrador has predicted an England win: https://psychic-pets.com/pets/232 Lilo the Psychic Basset Hound has predicted a Sweden win: https://psychic-pets.com/pets/1246 This video was uploaded before the World Cup quarter-final: England vs

  • 10:22 Why do whole oranges float, but peeled oranges sink?

    Why do whole oranges float, but peeled oranges sink?

    / 31 views

    Go check out the courses on Brilliant! https://brilliant.org/standupmaths Be one of the first n people (for n = 200) to sign-up for a free Brilliant account and get 20% off if you upgrade to paid membership. Here is the original QI tweet: "A whole orange

  • 06:01 How many different World Cup results can a team have?

    How many different World Cup results can a team have?

    / 102 views

    Register your pet at Psychic Pets and start predicting the World Cup games! http://psychic-pets.com/ You can also donate money to help keep the Psychic Pet servers running! Via PayPal: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=M

  • 03:22 The Rug Puzzle: how many triangles?

    The Rug Puzzle: how many triangles?

    / 79 views

    This video sponsored by ME. I mean: MATHS GEAR. Buy my book. https://mathsgear.co.uk/collections/books/products/signed-paperback-things-to-make-and-do-in-the-fourth-dimension My original tweet that started the puzzle! https://twitter.com/standupmaths/stat

  • 04:46 Can you solve the Mondrian squares riddle? - Gordon Hamilton

    Can you solve the Mondrian squares riddle? - Gordon Hamilton

    / 83 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Dutch artist Piet Mondrian’s abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible? Gordon

  • 09:09 The Illumination Problem - Numberphile

    The Illumination Problem - Numberphile

    / 156 views

    Featuring Professor Howard Masur from the University of Chicago. Filmed at the Mathematical Sciences Research Institute (MSRI). Part 2 of this interview: https://youtu.be/AGX0cLbHaog Patreon: http://www.patreon.com/numberphile Numberphile is supported by

  • 08:39 Frog Jumping - Numberphile

    Frog Jumping - Numberphile

    / 63 views

    Featuring Gordon Hamilton from Math Pickle. More links below. Numberphile T-Shirts: https://teespring.com/stores/numberphile Gordon and the Mondrian Art Problem: https://youtu.be/49KvZrioFB0 Math Pickle (Gordon's website): http://mathpickle.com Numberphil

  • 08:45 The Legend of Question Six - Numberphile

    The Legend of Question Six - Numberphile

    / 29 views

    Free trial at Great Courses Plus: http://ow.ly/7Hh2302dIFt More links & stuff in full description below ↓↓↓ Simon Pampena discusses the famous Question 6 from the 1988 International Mathematical Olympiad. More links below... Second part of this video: htt

  • 04:19 Lace Knot Trick - Numberphile

    Lace Knot Trick - Numberphile

    / 34 views

    Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ More knot videos: http://bit.ly/Knot-a-Phile Fast shoelaces: https://youtu.be/XPIgR89jv3Q What is a knot?: https://youtu.be/aqyyhhnGraw Support

  • 11:13 Coffee Cup Vibrations - Numberphile

    Coffee Cup Vibrations - Numberphile

    / 200 views

    Tadashi explores coffee and tea cups to new depths... More links & stuff in full description below ↓↓↓ Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids Support us on Patreon: http://www.patreon.com/numberphile NUMBERPHILE Website: http://www

  • 07:04 The Secret of Floppy Paper - Numberphile

    The Secret of Floppy Paper - Numberphile

    / 30 views

    Tadashi is back, this time looking at drooping paper (and toilet paper). More links & stuff in full description below ↓↓↓ Subscribe to Numberphile and never miss a floppy paper video: http://bit.ly/Numberphile_Sub Playlist of Tadashi Tokieda videos: http:

  • 06:34 The Most Powerful Dice - Numberphile

    The Most Powerful Dice - Numberphile

    / 70 views

    Tadashi explores a special set of dice... And has a powerful lesson. More links & stuff in full description below ↓↓↓ Subscribe to Numberphile: http://bit.ly/Numberphile_Sub More dice videos: http://bit.ly/Dice_Videos Playlist of Tadashi Tokieda videos: h

  • 05:56 A Strange Change of Rotation - Numberphile

    A Strange Change of Rotation - Numberphile

    / 102 views

    Rotating cedar balls. Here's a playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Electric slide rule: https://youtu.be/MEyIppEOQTw Support us on Patreon: http://www.patreon.com/numberphile NUMB

  • 07:52 UNCRACKABLE? The Collatz Conjecture - Numberphile

    UNCRACKABLE? The Collatz Conjecture - Numberphile

    / 77 views

    Professor David Eisenbud on the infamous Collatz Conjecture, a simple problem that mathematicians may not be "ready" to crack. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/O2_h3z1YgEU Prof Eisenbud's

  • 08:50 The Electric Slide Rule - Numberphile

    The Electric Slide Rule - Numberphile

    / 166 views

    Cliff Stoll shows off an electric-powered slide rule. More links & stuff in full description below ↓↓↓ Audible (free trial): http://www.audible.com/numberphile (sponsor) Cliff's Klein Bottle business: http://www.kleinbottle.com More videos with Cliff: htt

  • 02:41 Paper Calculator - Numberphile

    Paper Calculator - Numberphile

    / 63 views

    Comic book genius Jason Shiga shows us a calculator made of paper. We've got more coming from Jason which will explain WHY he made this (besides the fact it is just cool!) More links & stuff in full description below ↓↓↓ Jason's acclaimed book Meanwhile:

  • 16:12 Stars and Bars (and bagels) - Numberphile

    Stars and Bars (and bagels) - Numberphile

    / 25 views

    Professor Ken Ribet discusses a mathematical problem involving bagels - and some clever combinatorics. More links & stuff in full description below ↓↓↓ With thanks to these Patreon supporters: Jeff Straathof Peggy Youell Ken Baron Today I Found Out Christ

  • 10:05 The Slightly Spooky Recamán Sequence - Numberphile

    The Slightly Spooky Recamán Sequence - Numberphile

    / 107 views

    Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor)... More links & stuff in full description below ↓↓↓ Check out Brilliant's Problem of the Week (it's free): https://brilliant.org/NumberphilePOTW/ Alex

  • 09:03 Weber's Law - Numberphile

    Weber's Law - Numberphile

    / 89 views

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile (sponsor) Hannah Fry has a new book coming: https://amzn.to/2J6oCph (US) or https://amzn.to/2KVfXDD (UK) More links & stuff in full description below ↓↓↓ A little extra bi

  • 22:11 g-conjecture - Numberphile

    g-conjecture - Numberphile

    / 34 views

    Discussing h-vectors and the g-conjecture. Featuring June Huh from the Institute for Advanced Study at Princeton University. More links & stuff in full description below ↓↓↓ A little extra bit from this interview: https://youtu.be/cFKGX3vAs_Q Shapes in hi

  • 08:45 Conway Checkers - Numberphile

    Conway Checkers - Numberphile

    / 156 views

    Continues with the proof at: https://youtu.be/Or0uWM9bT5w Featuring Zvezdelina Stankova - more videos with her at: http://bit.ly/zvezda_videos More links & stuff in full description below ↓↓↓ John Conway videos: http://bit.ly/ConwayNumberphile Pebbling a

  • 10:48 Apéry's constant (calculated with Twitter) - Numberphile

    Apéry's constant (calculated with Twitter) - Numberphile

    / 30 views

    Patreon: http://www.patreon.com/numberphile More links & stuff in full description below ↓↓↓ Tony Padilla is an associate professor of physics at the University of Nottingham. Here he discusses the zeta function and Apéry's Constant. More Tony videos: htt

  • 12:18 Lorentz Transformations | Special Relativity Ch. 3

    Lorentz Transformations | Special Relativity Ch. 3

    / 37 views

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober The previous videos in this series: Chapter 1: Why Relativity is Hard https://www.youtube.com/watch?v

  • 05:20 Can you solve the giant cat army riddle? - Dan Finkel

    Can you solve the giant cat army riddle? - Dan Finkel

    / 75 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/tededm2s3/ The villainous Dr. Schrödinger has developed a growth ray and intends to create an army of giant cats to

  • 06:13 Calculating the circumference of the Earth in 200 BC

    Calculating the circumference of the Earth in 200 BC

    / 43 views

    In one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw

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

    The Man Teaching Math Lessons in the Sky

    / 33 views

    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

  • 11:34 Math Antics - Basic Probability

    Math Antics - Basic Probability

    / 41 views

    Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

  • 11:11 THAT IS HOW YOU CAN CONFUSE YOUR MATH TEACHER AT SCHOOL

    THAT IS HOW YOU CAN CONFUSE YOUR MATH TEACHER AT SCHOOL

    / 55 views

    Learn how to draw prospective without a ruler, measure angles and figure out how many days there are in any given month with your hand! These and many others mind-blowing Math tricks are in this video! There are some GREAT tricks for young mathematicians!

  • 07:18 9 SPEEDY MATH TRICKS FOR SCHOOL

    9 SPEEDY MATH TRICKS FOR SCHOOL

    / 53 views

    If you have issues with math, it’s not really your fault. The problem is that nobody taught you the most useful math tricks in school. But here they are! No calculators, just your hands and some simple tricks - watch and learn! ---------------------------

  • 05:26 Can you solve the wizard standoff riddle? - Dan Finkel

    Can you solve the wizard standoff riddle? - Dan Finkel

    / 146 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Sign up for free to receive the solution to the bonus riddle! You’ve been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents

  • 11:22 The Problem with 7825 - Numberphile

    The Problem with 7825 - Numberphile

    / 38 views

    Signup for your free trial to The Great Courses Plus here: http://ow.ly/b5wA30hIviV (sponsor) More links & stuff in full description below ↓↓↓ James Grime on a proof involving Pythagorean Triples. James Grime: http://singingbanana.com (book him for a talk

  • 16:21 The Silver Ratio - Numberphile

    The Silver Ratio - Numberphile

    / 39 views

    The silver ratio (and other metals) with Tony Padilla. More links & stuff in full description below ↓↓↓ Golden editions are sold out (for now) but more shirts available at https://teespring.com/stores/numberphile More Tony Padilla videos: http://bit.ly/Pa

  • 12:29 Combinatorics and Higher Dimensions - Numberphile

    Combinatorics and Higher Dimensions - Numberphile

    / 39 views

    Featuring Federico Ardila from San Francisco State University - filmed at MSRI. More links & stuff in full description below ↓↓↓ Federico previously on Numberphile: https://www.youtu.be/OfEv5ZdSrhY Federico's webpage: http://math.sfsu.edu/federico/ Antarc

  • 03:49 The Trinity Hall Prime - Numberphile

    The Trinity Hall Prime - Numberphile

    / 30 views

    A prime number "gift" from a mathematicians leaving his college. More links & stuff in full description below ↓↓↓ Featuring Tadashi Tokieda. More Tadashi: http://bit.ly/tadashi_vids Professor McKee explains: "Most of the digits of p were fixed so that: (i

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

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

    / 30 views

    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

  • 04:56 How Pi was nearly changed to 3.2 - Numberphile

    How Pi was nearly changed to 3.2 - Numberphile

    / 48 views

    The State of Indiana nearly passed a law which would have made Pi equal 3.2 - strange but true. More links & stuff in full description below ↓↓↓ More Pi videos from Numberphile: http://bit.ly/W4oDN1 This video features Dr James Grime -

  • 05:43 How to order 43 Chicken McNuggets - Numberphile

    How to order 43 Chicken McNuggets - Numberphile

    / 48 views

    We're exploring the world of Chicken Nuggets and Frobenius numbers. 43 has long been a special number in the world of McNugget mathematics, but 11 is also important! More links & stuff in full description below ↓↓↓ This video features D

  • 02:36 The Law All Languages Obey

    The Law All Languages Obey

    / 37 views

    Can a mathematical formula prove that dolphins have language like we do? "NOVA Wonders: What Are Animals Saying?" premieres April 25, 2018 at 9/8c on PBS NOVA on Facebook: https://www.facebook.com/NOVAonline NOVA on Twitter: @novapbs NOVA on Instagram: @n

  • 04:13 What is a P-Value and Why Does it Matter?

    What is a P-Value and Why Does it Matter?

    / 44 views

    Science's most important (and controversial) number has its origins in a British experiment involving milk and tea. NOVA on Facebook: https://www.facebook.com/NOVAonline NOVA on Twitter: @novapbs NOVA on Instagram: @novapbs PRODUCTION CREDITS Digital Prod

  • 04:12 What is Zeno's Dichotomy Paradox? - Colm Kelleher

    What is Zeno's Dichotomy Paradox? - Colm Kelleher

    / 50 views

    View full lesson: http://ed.ted.com/lessons/what-is-zeno-s-dichotomy-paradox-colm-kelleher Can you ever travel from one place to another? Ancient Greek philosopher Zeno of Elea gave a convincing argument that all motion is impossible - but where's the fla

  • 13:55 18 MATH RIDDLES THAT EVEN YOUR MATH TEACHER WILL FAIL

    18 MATH RIDDLES THAT EVEN YOUR MATH TEACHER WILL FAIL

    / 224 views

    A great chance to challenge your math teacher! These 18 math riddles will trick and will make sweat even your math teacher: 00:14 - Easy riddle to warm you up for the main brain workout. Kids solve this in seconds! 00:46 - Riddle to test your ability to t

    Featured
  • 13:43 17 FUN LOGICAL RIDDLES AND MATH TRICKS TO IMPRESS YOUR TEACHER

    17 FUN LOGICAL RIDDLES AND MATH TRICKS TO IMPRESS YOUR TEACHER

    / 129 views

    Simple and logical riddles for kids that will test the sharpness of your brain and awesome math tricks that will impress and embarrass your math teacher: 00:14 - Cool riddles for kids and adults to warm up you for the main brain workout. 01:35 - Tricky te

  • 03:23 Galton Board

    Galton Board

    / 58 views

    The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board on its axis, you set into motion a flow of steel beads that bounce with e

  • 15:13 The Golden Ratio (why it is so irrational) - Numberphile

    The Golden Ratio (why it is so irrational) - Numberphile

    / 44 views

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile Featuring Ben Sparks --- More links & stuff in full description below ↓↓↓ Golden seeds limited edition T-Shirt: https://teespring.com/NP-Seeds More Golden Ratio stuff: htt

  • 14:31 BEST Guess Who Strategy- 96% WIN record using MATH

    BEST Guess Who Strategy- 96% WIN record using MATH

    / 41 views

    Here is a strategy for winning 96% of your competitive Guess Who games. Now all you need is a time machine to return to 1991 and CRUSH Jeff Lee in the 5th grade Guess Who Championships. FREE trial for Lynda.com- http://bit.ly/LyndaMarkRober MUSIC- 0:21- M

  • 05:20 Can you solve the false positive riddle? - Alex Gendler

    Can you solve the false positive riddle? - Alex Gendler

    / 83 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededprobabilitypairs/ Mining unobtainium is hard work – the rare mineral appears in only 1% of rocks in the mine. But y

  • 05:04 The Coin Hexagon - Numberphile

    The Coin Hexagon - Numberphile

    / 41 views

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

  • 06:18 The Pentomino Puzzle (and Tetris) - Numberphile

    The Pentomino Puzzle (and Tetris) - Numberphile

    / 49 views

    Featuring Alex Bellos on Polyominoes. See the accompanying coin hexagon video: https://youtu.be/_pP_C7HEy3g More links & stuff in full description below ↓↓↓ More Alex Bellos videos: http://bit.ly/Bellos_Playlist Related Bellos books on Amazon... US links

  • 17:32 The Math (and money) of Soccer Stickers - Numberphile

    The Math (and money) of Soccer Stickers - Numberphile

    / 38 views

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile Featuring Federico Ardila --- More links & stuff in full description below ↓↓↓ Extra footage (the 'beautiful math' bit): https://youtu.be/iMSitUaoS3I Extra footage (some f

  • 19:48 Is the "hot hand" real? - Numberphile

    Is the "hot hand" real? - Numberphile

    / 47 views

    New research sheds light on the so-called Hot Hand Fallacy. Featuring Professor Lisa Goldberg. More links & stuff in full description below ↓↓↓ A bit extra from this interview: https://youtu.be/BvG35txQkD0 More with Professor Goldberg: http://bit.ly/LisaG

  • 12:07 3D objects create impossible scenes

    3D objects create impossible scenes

    / 92 views

    Impossible Objects 10 "Topology-Disturbing Objects" by Kokichi Sugihara 2016

  • 04:51 Why can't you divide by zero? - TED-Ed

    Why can't you divide by zero? - TED-Ed

    / 141 views

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zero In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have

    Featured
  • 02:59 Proof that 1 = 2.

    Proof that 1 = 2.

    / 55 views

    Using algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.

  • 05:40 How to find a square root

    How to find a square root

    / 79 views

    Here is the original π video: https://www.youtube.com/watch?v=LhlqCJjbEa0 Watch the long version of the extra working out here: https://www.youtube.com/watch?v=I7YvD7dqsy8 My calculation gave the square root of 10,005 to be 100.02499687578103 Compared to

  • 13:54 16 Math Riddles And Logic Puzzles That Will Crack Your Mind Wide Open

    16 Math Riddles And Logic Puzzles That Will Crack Your Mind Wide Open

    / 151 views

    These math riddles and logic puzzles will either crack your mind wide open or will boost your IQ! (Hopefully, the latter) 00:14 - Just a nice warm-up before the main brain workout! To crack this easy riddle you need to pay attention to every item on the t

  • 05:03 Can you solve the buried treasure riddle? - Daniel Griller

    Can you solve the buried treasure riddle? - Daniel Griller

    / 121 views

    Practice more problem-solving at https://brilliant.org/TEDEd/ View full lesson: https://ed.ted.com/lessons/can-you-solve-the-buried-treasure-riddle-daniel-griller After a massive storm tears through the Hex Archipelago, you find five grizzled survivors in

  • 06:40 Number Sticks - Numberphile

    Number Sticks - Numberphile

    / 75 views

    Katie Steckles dazzles us with Mental Logs. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Katie on Numberphile: http://bit.ly/Steckles_Playlist Katie Steckles: http

  • 03:24 Round Peg in a Square Hole - Numberphile

    Round Peg in a Square Hole - Numberphile

    / 64 views

    Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when he was at Cambridge, in the U

  • 08:06 Catalan's Conjecture - Numberphile

    Catalan's Conjecture - Numberphile

    / 78 views

    With Dr Holly Krieger from Murray Edwards College, University of Cambridge. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Numberphile videos with Dr Krieger: http:/

  • 09:06 Superpermutations - Numberphile

    Superpermutations - Numberphile

    / 63 views

    The Great Courses Plus (free trial): http://ow.ly/C3FE30hIvhc This video features Dr James Grime. More links & stuff in full description below ↓↓↓ More James Grime on Numberphile: http://bit.ly/grimevideos James Grime: http://singingbanana.com Tackling th

  • 14:03 Tree Gaps and Orchard Problems - Numberphile

    Tree Gaps and Orchard Problems - Numberphile

    / 75 views

    Get 10% off at Squarespace: https://www.squarespace.com/numberphile This feature features Ben Sparks... More links & stuff in full description below ↓↓↓ Ben Sparks Twitter: https://twitter.com/SparksMaths More of Ben on Numberphile: https://youtu.be/ETrYE

  • 22:32 Cannons and Sparrows - Numberphile

    Cannons and Sparrows - Numberphile

    / 65 views

    Featuring Professor Günter Ziegler, who was visiting at MSRI. Extra footage at: https://youtu.be/FHkaN9FOzUY More links & stuff in full description below ↓↓↓ This video features Professor Günter Ziegler from Institut für Mathematik, Freie Universität Berl

  • 08:25 Calculating a Car Crash - Numberphile

    Calculating a Car Crash - Numberphile

    / 64 views

    Check out https://brilliant.org/numberphile (20% off premium subscription) This video features Ben Sparks. More links below ↓↓↓ Ben Sparks website: https://www.bensparks.co.uk More of Ben on Numberphile: https://youtu.be/ETrYE4MdoLQ https://youtu.be/kbKtF

  • 09:07 The Square-Sum Problem - Numberphile

    The Square-Sum Problem - Numberphile

    / 62 views

    Matt Parker discusses a problem involving Square Sums. Go deeper with extra footage: https://youtu.be/7_ph5djCCnM More links & stuff in full description below ↓↓↓ More Matt Parker on Numberphile: http://bit.ly/Matt_Videos Matt's projects and other stuff:

  • 16:12 River Crossings (and Alcuin Numbers) - Numberphile

    River Crossings (and Alcuin Numbers) - Numberphile

    / 84 views

    Discussing vertex covers and Alcuin numbers for graphs - and a famous old puzzle. Filmed at MSRI with Dr Annie Raymond. More links & stuff in full description below ↓↓↓ Annie Raymond: https://www.msri.org/people/38568 The Alcuin Number of a Graph: https:/

  • 05:54 Ham Sandwich Problem - Numberphile

    Ham Sandwich Problem - Numberphile

    / 70 views

    This video features Dr Hannah Fry (more links below) ↓↓↓ Check out Brilliant.org: https://brilliant.org/numberphile (20% off premium subscription) That circle cutting problem on Brilliant: https://brilliant.org/NumberphileSandwich Hannah Fry on Twitter: h

  • 06:03 Don Bradman's Duck - Numberphile

    Don Bradman's Duck - Numberphile

    / 68 views

    One of the most famous stories from the sort of cricket involves numbers, averages, and a duck. More links & stuff in full description below ↓↓↓ Archive footage courtesy of AP Archive: https://www.youtube.com/c/aparchive * Batting average list shown was c

  • 03:45 The infinite life of pi - Reynaldo Lopes

    The infinite life of pi - Reynaldo Lopes

    / 72 views

    View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number

  • 01:38 How to Turn a Sphere Inside Out

    How to Turn a Sphere Inside Out

    / 87 views

    This video describes a way to invert a sphere. Simply fascinating to watch.

  • 13:17 Probability that at least 2 people in a room of 30 share the same birthday | Probability and Statist

    Probability that at least 2 people in a room of 30 share the same birthday | Probability and Statist

    / 86 views

    The probability that at least 2 people in a room of 30 share the same birthday. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/probability_combinatorics/e/probab

  • 04:34 OK Go Sandbox - One Moment of Math

    OK Go Sandbox - One Moment of Math

    / 254 views

    Damian Kulash, lead singer of OK Go, discusses the immense amount of math behind their video,”The One Moment”. This video is part of www.OKGoSandbox.org

    Featured
  • 08:00 15 BRILLIANT MATH TRICKS THEY DON'T TEACH YOU AT SCHOOL

    15 BRILLIANT MATH TRICKS THEY DON'T TEACH YOU AT SCHOOL

    / 257 views

    Too bad they don't teach you this at school! But I always got you! So check out these genius Math tricks and have fun! ;) ---------------------------------------------------------------------------------------- 5-Minute Crafts: https://www.goo.gl/8JVmuC F

    Featured
  • 01:22 Mathemagic - (a+b)²=a²+2ab+b² - But Why?

    Mathemagic - (a+b)²=a²+2ab+b² - But Why?

    / 79 views

    http://www.youtube.com/watch?v=sv2iHQIpZW8 - Pythagoras Theorem explained by Bawa. One of the elementary formula in high school mathematics, most of us know this formula. But do we actually know why? In this video Khurshed Batliwala, fondly called as Bawa

  • 02:29 Division with Zero - Maths Tricks #4

    Division with Zero - Maths Tricks #4

    / 85 views

    In this video Bawa first explains what is division and then goes on to talk about division by zero. You will understand exactly why anything divided by zero is not defined, zero divided by anything is zero and zero divided by itself is indeterminate. This

  • 01:29 Mathemagic - Did you know that the Nine Tables is in your fingers???

    Mathemagic - Did you know that the Nine Tables is in your fingers???

    / 82 views

    With a post graduate in Mathematics from the Indian Institute of Technology, Bombay, Khurshed Batliwala, or "Bawa" as he is fondly known (a nick name that has stuck from his IIT days) is an extraordinary personality. In his own words, he decided "it was b

  • 02:23 Mathemagic - Multiplying numbers using fingers

    Mathemagic - Multiplying numbers using fingers

    / 91 views

    With a post graduate in Mathematics from the Indian Institute of Technology, Bombay, Khurshed Batliwala, or "Bawa" as he is fondly known (a nick name that has stuck from his IIT days) is an extraordinary personality. In his own words, he decided "it was b

  • 06:01 Can you solve the seven planets riddle? - Edwin F. Meyer

    Can you solve the seven planets riddle? - Edwin F. Meyer

    / 425 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/TedEdTitanic/ Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you mus

    Featured
  • 05:02 How To Make a Hexaflexagon: The Definitive Guide

    How To Make a Hexaflexagon: The Definitive Guide

    / 86 views

    Printable patterns: http://vihart.com/hexaflexagons Shirts (we only printed a limited run, sorry if we're sold out of your favourite!): https://store.dftba.com/collections/vi-hart This video is supported not mostly by shirts but mostly by viewers like you

  • 04:45 Estimating p value from simulation

    Estimating p value from simulation

    / 79 views

    Example estimating a p-value based on a simulation to approximate the sample distribution of the sample proportions (assuming the null hypothesis is true).

  • 07:58 p values and significance tests

    p values and significance tests

    / 69 views

    p values, significance levels, null hypotheses, alternative hypotheses, and significance tests

  • 05:42 Examples of null and alternative hypotheses

    Examples of null and alternative hypotheses

    / 84 views

    Examples of null and alternative hypotheses

  • 10:15 17 FAST MATHS TRICKS YOU MUST KNOW

    17 FAST MATHS TRICKS YOU MUST KNOW

    / 86 views

    Wanna be a Math genius? Check out these tricks! They're garanteed to upgrade your Math skills and bring you on another level! ;) Subscribe to 5-Minute Crafts GIRLY: https://goo.gl/fWbJqz Subscribe to 5-Minute Workouts: https://goo.gl/67owiQ 5-Minute Craft

  • 09:13 Math Antics - Subtracting Mixed Numbers

    Math Antics - Subtracting Mixed Numbers

    / 91 views

    Learn More at mathantics.com Visit http://www.mathantics.com for Free math videos and additional subscription based content!

  • 15:14 Mo Gawdat of Google X: The Secret to Happiness May Lie in a Mathematical Equation

    Mo Gawdat of Google X: The Secret to Happiness May Lie in a Mathematical Equation

    / 65 views

    Mo Gawdat, the chief business officer of the moonshot factory Google X, has designed an algorithm to make you happy. Gawdat started writing when his son died. The resulting book, Solve for Happy, describes the model of happiness that he and his late son b

  • 04:23 The coin flip conundrum - Po-Shen Loh

    The coin flip conundrum - Po-Shen Loh

    / 107 views

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-coin-flip-conundrum-po-shen-loh When you flip a coin to make a decision, there's an equal chance of getting heads and tails. What if you flipped two

  • 03:12 Science Artist Uses Math to Make Sculptures

    Science Artist Uses Math to Make Sculptures

    / 101 views

    John Muntean has been creating magic angle sculptures since 1986. At first, the sculpture just looks like an abstract piece. When rotated at the magic angle and lit from above, a three-part masterpiece emerges. See more from John Muntean: https://www.jvmu

  • 06:25 The magic of Fibonacci numbers | Arthur Benjamin

    The magic of Fibonacci numbers | Arthur Benjamin

    / 90 views

    Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!) TEDTalks is a daily vide

  • 07:13 How big is infinity? - Dennis Wildfogel

    How big is infinity? - Dennis Wildfogel

    / 61 views

    View full lesson: http://ed.ted.com/lessons/how-big-is-infinity Using the fundamentals of set theory, explore the mind-bending concept of the "infinity of infinities" -- and how it led mathematicians to conclude that math itself contains unanswerable ques

  • 01:20 Proof Without Words: The Circle

    Proof Without Words: The Circle

    / 58 views

    Prove πR² using only beads and a ruler! I first saw this proof in an article by Russell Jay Hendel, Dowling College: http://bit.ly/LQlwQw minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter -

  • 01:56 How to Count Infinity

    How to Count Infinity

    / 60 views

    "Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Min

  • 04:11 The Order of Operations is Wrong

    The Order of Operations is Wrong

    / 57 views

    Morally Wrong, that is... MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all

  • 01:20 Foiled Proof

    Foiled Proof

    / 72 views

    MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nat

  • 13:00 What Is Statistics: Crash Course Statistics #1

    What Is Statistics: Crash Course Statistics #1

    / 85 views

    Welcome to Crash Course Statistics! In this series we're going to take a look at the important role statistics play in our everyday lives, because statistics are everywhere! Statistics help us better understand the world and make decisions from what you'l

  • 05:26 Can you solve the dark coin riddle? - Lisa Winer

    Can you solve the dark coin riddle? - Lisa Winer

    / 369 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip You heard the travelers’ tales, you followed the maps, and now, you’ve finally located the dungeon contain

    Featured
  • 02:13 Crazy Math Trick: I will guess Your Age! (OLD 2016 version)

    Crazy Math Trick: I will guess Your Age! (OLD 2016 version)

    / 107 views

    Check here for the 2017 version: https://www.youtube.com/watch?v=PQjNF34H3Bs&feature=youtu.be ★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You

  • 07:53 How to Figure Out the Day of the Week For Any Date Ever

    How to Figure Out the Day of the Week For Any Date Ever

    / 76 views

    To learn more about Brilliant, go to https://brilliant.org/BeSmart/ and sign up for free. First 200 people will get 20% off the annual Premium subscription. ↓↓↓ More info and sources below ↓↓↓ You can be a human computer too. Our cheat sheet: http://bit.l

  • 47:36 Completing the square - Live algebra lesson

    Completing the square - Live algebra lesson

    / 108 views

    Do you need help with your algebra homework? Send photos of any problems you need help with to LiveStream@MathMeeting.com. Today I am focusing on solving quadratic equations by completing the square. I will help you live right here on this live stream :)

  • 04:28 Product rule - Logarithm derivatives example

    Product rule - Logarithm derivatives example

    / 74 views

    Learn calculus with this product rule Derivative example with logarithms and exponential functions. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMee

  • 04:01 Product rule - Calculus derivatives tutorial

    Product rule - Calculus derivatives tutorial

    / 63 views

    Learn how to take the derivative of a function using the product rule. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMeeting.com My name is Chris and

  • 04:15 A clever way to estimate enormous numbers - Michael Mitchell

    A clever way to estimate enormous numbers - Michael Mitchell

    / 67 views

    View the full lesson here: http://ed.ted.com/lessons/michael-mitchell-a-clever-way-to-estimate-enormous-numbers Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: "How many piano tuners are there in Chi

  • 11:09 15 GENIUS MATH TRICKS THAT ARE ACTUALLY EASY

    15 GENIUS MATH TRICKS THAT ARE ACTUALLY EASY

    / 119 views

    How to embarrass your teacher. Smart and simple backs to school math hacks and tricks. Learn how to multiply fast in your head. Subscribe to 5-Minute Crafts KIDS: https://goo.gl/PEuLVt ----------------------------------------------------------------------

  • 05:19 Riddles: 5 "easy"... & one IMPOSSIBLE! (with answers)

    Riddles: 5 "easy"... & one IMPOSSIBLE! (with answers)

    / 111 views

    ★★★★ Riddles and more... Subscribe to Daily Broccoli! ★★★★ This is a fun video with 5 supposedly "easy" riddles with answers, and one impossible question. I love these riddles, because they are clever and in fact not all that difficult. But still I wasn't

  • 10:07 New IQ Test! (with answers)

    New IQ Test! (with answers)

    / 108 views

    ★★ More Broccoli = More IQ :DD (Please subscribe!!!) ★★ This IQ test is amazingly accurate. Check how many questions you got right and what it means in terms of your IQ. Are you smart? How intelligent are you? What is my IQ? This new IQ Test will tell you

  • 02:13 Crazy Math Trick: I will guess Your Age! (2017 with answers)

    Crazy Math Trick: I will guess Your Age! (2017 with answers)

    / 135 views

    ★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You start with a RANDOM number and then end up with your Age and that number... pretty incredible

  • 04:26 97% Fail... Test your EYES! (incl. secret message)

    97% Fail... Test your EYES! (incl. secret message)

    / 127 views

    ★★ Secret message because... we reached + 278k SUBS!!!! ★★ Massive thank you! You are the best!! The überchallenge is to be able to find all the letters that are hidden in the images. ...if you see all 12 letters, you must have massively good eyes! This i

  • 01:52 Three Solutions! Can You Find Them? (math trick with answers)

    Three Solutions! Can You Find Them? (math trick with answers)

    / 79 views

    ★★ Please LIKE if you found at least ONE solution!! ★★ This is an impossible equation, because 6+4 is clearly not 4... BUT there are three solutions to this equation by moving just ONE matchstick. Can you find all three solutions? I am curious to see how

  • 04:55 You will NOT know all of these sounds, I am SURE!! (with answers)

    You will NOT know all of these sounds, I am SURE!! (with answers)

    / 88 views

    ★★ For more sound broccolies like this... Subscribe to DB! ★★ You will NOT know all of these sounds, I am SURE!! I would be incredibly surprised if anyone actually identifies all of these animal sounds... This is a listening test to see how well you know

  • 09:04 Math Antics - Adding Mixed Numbers

    Math Antics - Adding Mixed Numbers

    / 138 views

    Learn More at mathantics.com Visit http://www.mathantics.com for Free math videos and additional subscription based content!

  • 19:41 The Actual Mathematics of Popping Champagne Corks

    The Actual Mathematics of Popping Champagne Corks

    / 68 views

    Thanks to Helen Czerski for making the video with me! https://www.helenczerski.net/ Helen is physicist, oceanographer and broadcaster in the Department of Mechanical Engineering at University College London. You should check out her book Storm in a Teacup

  • 04:42 The Mathematics of Error Correction - with Marcus du Sautoy

    The Mathematics of Error Correction - with Marcus du Sautoy

    / 77 views

    Computers use error-correcting codes to detect mistakes in binary notations - even just a single change from 0 to 1. In this clip from the 2006 CHRISTMAS LECTURES "The num8er my5teries", Marcus du Sautoy runs error-correcting code tests with an audience m

  • 06:11 Hexaflexaflakes

    Hexaflexaflakes

    / 77 views

    I hope you enjoy this fun holiday craft! This video is supported by viewers like you! Thanks especially to: Caleb Wright, Albert Wenger, CHLOE, Pat Devlin, Jack Heidrick, Al3x, David Perryman, Wish Society, Carol Ghiorsi Hart, Chris Pierik, Andrea Di Biag

  • 06:30 When To Try New Things (According to Math)

    When To Try New Things (According to Math)

    / 99 views

    The Explore/Exploit Trade Off. The best algorithm for when to try new things and when to stick to what you know: the Gittins Index. Based on a chapter of the book Algorithms to Live By, The Computer Science of Human Decisions by Brian Christian and Tom Gr

  • 06:06 Only People With An IQ Of 141 Can Solve These Number Puzzles

    Only People With An IQ Of 141 Can Solve These Number Puzzles

    / 172 views

    Only People With An IQ Of 141 Can Solve These Number Puzzles ▶ Facebook: https://www.facebook.com/WOWQuiz ▶ Twitter: https://twitter.com/WOWQuizVideo 8 Cunning Puzzles That Are Not So Easy to Solve https://www.youtube.com/watch?v=Jl044xgzeKY 6 Brainteaser

  • 05:14 10 Tricky Questions To Test Your Brain

    10 Tricky Questions To Test Your Brain

    / 160 views

    10 tricky questions to test your brain and IQ level. Subscribe: https://goo.gl/Hnoaw3 ----------------------------------------------------------------------------------------- Other Videos you might like: 20 Things You Didn't Know About MONEY https://yout

  • 04:13 6 Riddles That Defy Logic

    6 Riddles That Defy Logic

    / 120 views

    6 Riddles That Defy Logic Facebook: https://www.facebook.com/WOWQuiz Twitter: https://twitter.com/WOWQuizVideo Only Geniuses Can Find All The Differences https://www.youtube.com/watch?v=53II7KUz9ow Only a Genius Can Solve These 7 Brainteasers in 30 Second

  • 04:17 How Encryption Keys Work - with Chris Bishop

    How Encryption Keys Work - with Chris Bishop

    / 229 views

    What does the padlock icon on your internet browser mean and why is encryption important? In this clip from 2008 CHRISTMAS LECTURES "Hi-tech trek", Chris Bishop uses coloured water to demonstrate how information is transferred on the internet. Subscribe f

    Featured
  • 09:20 An astonishing old calculator - Numberphile

    An astonishing old calculator - Numberphile

    / 67 views

    Cliff explains his passion for two Friden EC-132s. Extra discussion and explanation at: LINK More links & stuff in full description below ↓↓↓ More Cliff videos: http://bit.ly/Cliff_Videos Calculator Unboxings: http://bit.ly/CalcUnbox Millionaire Machine:

  • 08:40 78557 and Proth Primes - Numberphile

    78557 and Proth Primes - Numberphile

    / 81 views

    James Grime is back and talking prime numbers. Check out Brilliant.org by using the link: https://brilliant.org/numberphile (20% off premium subscription) More on prime numbers: http://bit.ly/primevids James Grime: http://singingbanana.com Editing by Pete

  • 09:00 The Enormous TREE(3) - Numberphile

    The Enormous TREE(3) - Numberphile

    / 91 views

    Professor Tony Padilla on the epic number, TREE(3). Continues at: https://youtu.be/IihcNa9YAPk More links & stuff in full description below ↓↓↓ Graham's Number: http://bit.ly/G_Number Numberphile is supported by the Mathematical Sciences Research Institut

  • 10:33 Strange Spheres in Higher Dimensions - Numberphile

    Strange Spheres in Higher Dimensions - Numberphile

    / 71 views

    Squarespace (including 10% off): https://www.squarespace.com/numberphile Video features Matt Parker. More links & stuff in full description below ↓↓↓ Parker CIRCLE T-Shirts and Mugs (torment Matt at his live shows!): https://teespring.com/stores/parker-ci

  • 08:04 Casting Out Nines - Numberphile

    Casting Out Nines - Numberphile

    / 77 views

    Dr James Grime and a handy trick for checking calculations. Ditch the nines... More links & stuff in full description below ↓↓↓ Some extra footage from this interview: https://youtu.be/wQsQ8joretY Numberphile is supported by the Mathematical Sciences Rese

  • 09:08 Aaron Numbers - Numberphile

    Aaron Numbers - Numberphile

    / 102 views

    A story of baseball, number theory, and serendipity. More links & stuff in full description below ↓↓↓ Featuring Carl Pomerance from the Department of Mathematics at Dartmouth College. Images from Erdös/Aaron meeting courtesy of Rob & Madelyn Gould - http:

  • 06:29 When To Quit (According to Math)

    When To Quit (According to Math)

    / 77 views

    Optimal Stopping. The Secretary Problem Explained. Taken from a chapter of the book "Algorithms to Live By - The Computer Science of Human Decisions" by Brian Christian and Tom Griffiths Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and com

  • 03:00 Multiply Numbers By Drawing Lines

    Multiply Numbers By Drawing Lines

    / 156 views

    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

    Featured
  • 05:21 Will We All Be Overweight By 2048?

    Will We All Be Overweight By 2048?

    / 116 views

    Will we all be overweight by 2048? The dangers of linear regression and linear thinking. Taken from a chapter of Jordan Ellenberg's amazing book How Not to Be Wrong: The Power of Mathematical Thinking. Thanks to the Vlogbrothers for their sponsorship of t

  • 04:58 What is the tragedy of the commons? - Nicholas Amendolare

    What is the tragedy of the commons? - Nicholas Amendolare

    / 112 views

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-the-tragedy-of-the-commons-nicholas-amendolare Is it possible that overfishing, super germs, and global warming are all caused by the same thing

  • 12:47 Math Antics - Mixed Numbers

    Math Antics - Mixed Numbers

    / 132 views

    In this re-make of our Mixed Numbers video, we take a more intuitive approach to converting between Mixed Numbers and Improper Fractions. You can still access the old version of the video here: https://www.youtube.com/watch?v=-55KA6kaXFY

  • 03:37 Are University Admissions Biased? | Simpson's Paradox Part 2

    Are University Admissions Biased? | Simpson's Paradox Part 2

    / 97 views

    Simpson's Paradox Part 2. Thanks to Skillshare for supporting this video! Head to http://skl.sh/minutephysics for your first two months free. Comments disabled because the discourse failed to remain civil. This video is about how to tell whether or not un

  • 06:02 Math, When Are You Going To Use It?

    Math, When Are You Going To Use It?

    / 82 views

    If you're in or went to high school, you're familiar with the phrase "When am I ever going to use this?" when talking about pretty much anything you learn in math class. This is the answer to that question. The real answer, not something like "one day a s

  • 05:58 Can You Crack This Four Card Code?

    Can You Crack This Four Card Code?

    / 100 views

    A surprisingly tricky card riddle. You'll need to put your thinking caps on for this one. Hi! I'm Jade. I'm an Aussie with a Bachelor's degree in Applied Physics. After three years and over 100 lab sessions, I realized I'm terrible at experiments. So now

  • 05:01 The Physics of SANTA

    The Physics of SANTA

    / 97 views

    The Physics of Santa. With nearly 2 billion children in the world, how does Santa deliver all those presents on Christmas Eve? Hi! I'm Jade. I want to share the wonderful world of physics with you in an easy and fun way. ***SUBSCRIBE*** https://www.youtub

  • 05:27 An unexpected way to inflate a balloon - Numberphile

    An unexpected way to inflate a balloon - Numberphile

    / 98 views

    Using a kamifusen (a Japanese paper balloon). Featuring Tadashi Tokieda. More Tadashi videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Objectivity (videos by Brady about science objects): http://bit.ly/Objectivity Discus

Categories





















RSS