Math

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

1 week ago / 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)

1 week ago / 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)

1 week ago / 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

1 week ago / 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

2 weeks ago / 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

2 weeks ago / 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

2 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

3 weeks ago / 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

4 weeks ago / 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)

4 weeks ago / 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

4 weeks ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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?

1 month ago / 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?

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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?

1 month ago / 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?

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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

1 month ago / 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?

1 month ago / 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"

1 month ago / 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?

1 month ago / 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

1 month ago / 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
04:24
3D Shapes Song For Kids: 3-Dimensional Shapes for Kindergarten, 1st Grade, and 2nd Grade

1 month ago / 32 views
08:15
The Mathematics of Locomotion - Christmas Lectures with Ian Stewart

1 month ago / 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

1 month ago / 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

1 month ago / 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

2 months ago / 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

2 months ago / 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

2 months ago / 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
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05:53
Are We Breathing Caesar's Last Breath

2 months ago / 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!

2 months ago / 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?

2 months ago / 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?

2 months ago / 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?

2 months ago / 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

2 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

3 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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
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The Trinity Hall Prime - Numberphile

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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?

4 months ago / 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

4 months ago / 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

4 months ago / 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
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13:43
17 FUN LOGICAL RIDDLES AND MATH TRICKS TO IMPRESS YOUR TEACHER

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 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
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The Pentomino Puzzle (and Tetris) - Numberphile

4 months ago / 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

4 months ago / 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

4 months ago / 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

4 months ago / 92 views

Impossible Objects 10 "Topology-Disturbing Objects" by Kokichi Sugihara 2016
04:51
Why can't you divide by zero? - TED-Ed

5 months ago / 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
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02:59
Proof that 1 = 2.

5 months ago / 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

5 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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

6 months ago / 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
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08:00
15 BRILLIANT MATH TRICKS THEY DON'T TEACH YOU AT SCHOOL

6 months ago / 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
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01:22
Mathemagic - (a+b)²=a²+2ab+b² - But Why?

6 months ago / 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

6 months ago / 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???

6 months ago / 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

6 months ago / 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

6 months ago / 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
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05:02
How To Make a Hexaflexagon: The Definitive Guide

7 months ago / 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

7 months ago / 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

7 months ago / 69 views

p values, significance levels, null hypotheses, alternative hypotheses, and significance tests
05:42
Examples of null and alternative hypotheses

7 months ago / 84 views

Examples of null and alternative hypotheses
10:15
17 FAST MATHS TRICKS YOU MUST KNOW

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

7 months ago / 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

8 months ago / 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
03:02
Long Multiplication Song with 2 Digits | Ending Covers Long Multiplication with Decimals

8 months ago / 84 views
05:26
Can you solve the dark coin riddle? - Lisa Winer

8 months ago / 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
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02:13
Crazy Math Trick: I will guess Your Age! (OLD 2016 version)

8 months ago / 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

8 months ago / 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

8 months ago / 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

8 months ago / 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

8 months ago / 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

8 months ago / 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

8 months ago / 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)

8 months ago / 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)

8 months ago / 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)

8 months ago / 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)

8 months ago / 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)

8 months ago / 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)

8 months ago / 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

8 months ago / 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

8 months ago / 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

9 months ago / 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

9 months ago / 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)

9 months ago / 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

9 months ago / 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
02:27
Skip Counting by 3 Song | Multiples of 3 by NUMBEROCK

9 months ago / 104 views
05:14
10 Tricky Questions To Test Your Brain

9 months ago / 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

9 months ago / 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

9 months ago / 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
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09:20
An astonishing old calculator - Numberphile

9 months ago / 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

9 months ago / 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

9 months ago / 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

9 months ago / 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

9 months ago / 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

9 months ago / 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)

9 months ago / 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

10 months ago / 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
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05:21
Will We All Be Overweight By 2048?

10 months ago / 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

10 months ago / 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

10 months ago / 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

10 months ago / 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?

10 months ago / 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?

10 months ago / 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

10 months ago / 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

10 months ago / 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
03:20
Addition with Regrouping Song | 2-Digit Addition For Kids

10 months ago / 113 views