TED-Ed
TED-ED: The mathematics of sidewalk illusions - Fumiko Futamura
Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right spot? These sidewalk illusions employ a technique called anamorphosis - a special case...
3Blue1Brown
Ever wondered why slicing a cone gives an ellipse? It’s wonderfully clever!
A beautiful proof of why slicing a cone gives an ellipse.
TED-Ed
TED-ED: How many ways are there to prove the Pythagorean theorem? - Betty Fei
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for...
TED-Ed
TED-Ed: Can you solve the Alice in Wonderland riddle? | Alex Gendler
After many adventures in Wonderland, Alice has once again found herself in the court of the temperamental Queen of Hearts. She's about to pass through the garden undetected, when she overhears the king and queen arguing that 64 is the...
SciShow
Thalidomide: The Chemistry Mistake That Killed Thousands of Babies
On October 1, 1957, thalidomide was introduced as a new morning sickness cure. Everything seemed great until later the next year, when thousands of infants were born with severe birth defects.
Bozeman Science
Resistors and Capacitors
In this video Paul Andersen explains how resistors and capacitors affect circuits. The resistance of a resistor is affected by the resistivity of the material and the geometry of the resistor. The current through a resistor can be...
TED-Ed
TED-Ed: Daniel Finkel: Can you solve the unstoppable blob riddle?
A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It's also unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet...
PBS
What Happens At The Edge Of The Universe?
Lots of people believe the Universe is infinite, but there's a good possibility that might not be the case. Which means that there would be an actual edge of the Universe. What happens at that edge? Is there a restaurant?
TED-Ed
TED-ED: How the K_nigsberg bridge problem changed mathematics - Dan Van der Vieren
You'd have a hard time finding the medieval city K_nigsberg on any modern maps, but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with...
TED-Ed
TED-Ed: What is a vector? - David Huynh
Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. But what exactly are they, and why do they matter? David Huynh explains how vectors are a prime example of the elegance, beauty,...
TED-Ed
TED-Ed: Euclid's puzzling parallel postulate - Jeff Dekofsky
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...
TED-Ed
TED-Ed: How taking a bath led to Archimedes' principle - Mark Salata
Stories of discovery and invention often begin with a problem that needs solving. Summoned by the king to investigate a suspicious goldsmith, the early Greek mathematician Archimedes stumbles on the principle that would make him famous.
Curated Video
The Right Way to Solve for Unknown Sides—Are You Doing It?
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to subtract these mixed numbers.
Curated Video
Gradients: Fold Mountains
Discover how the steep gradients of fold mountains are created from parallel flats, as angles build by degrees. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...
Curated Video
Perspective: Dazzle Camouflage
See the amazing warship 'camouflage' that dazzled the enemy, not by hiding the ship, but by tricking the eye. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...
Curated Video
Fractals: The Koch Snowflake
The characteristics of Koch's mathematical fractal are produced by following a set of simple rules, which result in an infinitely reducing pattern. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Perspective: Parallax
Discover how parallax can be used to measure distances, and how early astronomers used it to find the distance of stars from Earth. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math...
Curated Video
Maths and the Mona Lisa
See the Golden Ratio in the Mona Lisa and how it has contributed to the painting becoming the most viewed artwork in the world. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Cubist Art
How Cubist artists used geometry to represent a form in its purest way using geometric shapes such as the cone, cylinder and sphere. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Straight Lines: Bee Lines
Why do bees fly in straight lines, and why does man now copy nature? Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
Curated Video
Fractals: The Menger Sponge
Revealing the shape which gets bigger the more you take away... in which an infinitely increasing surface area meets an infinitely decreasing volume. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Topology
How objects can be deformed to make different shapes without tearing, cutting or gluing. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action...
Curated Video
Painting By Numbers
See how two simple mathematical principles allowed artists to create the feeling of space within two-dimensional paintings. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context...
Curated Video
Ratios: Currency Exchange
Why are currencies worth different values, and how do you calculate the cross-currency value of your money? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract...