Topic: math

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Fold & Cut Theorem – Cut any shape from only one cut

Can you cut a square from the center of a piece of paper with just one straight cut? Spoiler: YES, you can. In this Numberphile video, Manchester-based mathematician Dr. Katie Steckles demonstrates an idea that dates ...

How to create chocolate out of nothing

Geometry has never looked so sweet… or perplexing: Mariano Tomatis shows us how to create chocolate out of nothing. Related reading: Curse of the crystal skulls and other vanishing area puzzles and the missing ...

Debunking the “I will never need to use this…” myth

If you've ever heard the phrase, "I will never need to use this ever again," regarding a theorem of mathematics, or a scientific law, or a fact from the history of a far corner of the planet, consider this from astrop...

The Pythagorean theorem water demo

The Pythagorean theorem water demo: See the two smaller squares of water on the two shorter sides of a right triangle pour perfectly and equally into the area of the larger square on the longer side, known as the hypo...

Why do honeybees love hexagons?

What is it about the six-sided hexagon that makes it such a perfect shape for storing honey? It's an efficient design! Just ask a bee, one of nature’s finest mathematicians, or watch this TED Ed by Zack Patterson and ...

Notes on a Triangle (1966) by René Jodoin

From the National Film Board of Canada and director René Jodoin, this is Notes on a Triangle (1966), a ballet of three hundred geometric transformations, animated into divisions, alignments, and patterns. Waltz music ...

10 easy & amazing paper stunts

Explore post-it note cascades, hexaflexagons, balancing paper butterflies, and other fun paper tricks in this video from former magician/current author and British psychologist Richard Wiseman. You'll find his templat...

The Dot & the Line: A Romance in Lower Mathematics (1965)

Winner of the Academy Award for Animated Short Film in 1965, and adapted from the celebrated book by Norton Juster, best-known for Phantom Tollbooth, this is The Dot and the Line: A Romance in Lower Mathematics. Th...

3D-Printed “Blooming” Fibonacci Zoetrope Sculptures

Animation is a trick of the eye, and we're often reminded of this when we get to see animation happen right in front of us. 3D-printed zoetrope sculptures by math and Fibonacci-inspired artist and designer John Edmark...

Emperor Penguins keep warm in an ever-shifting huddle

With brand new baby chicks sheltering in so many of their brood pouches, warmth is imperative for Emperor Penguins in the coldest place on the planet. But how do you stay warm enough to survive in -40 degrees or colde...

Kokichi Sugihara’s Impossible Rooftop & Folding Ladder Illusions

File under impossible objects, this is the Impossible Rooftop Illusion or "Anti-Gravity Two Sided Roof" by Meiji University's Professor Kokichi Sugihara in 2013. Using computer software, Sugihara creates award-winning...

Can you solve the frog riddle? – TED Ed

You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The mal...

From Clay to Mosaics – How zellige (الزليج) mosaics are made

From Moroccan interior design company Habibi Interiors, watch as maâlems (master craftsmen) take their time and skill to create terra cotta tiles known as zellige, zillij, or الزليج, meaning "tiles" in Arabic: From Cl...

Andres Amador’s Earthscapes: Art that Goes Out with the Tide

In a mix of artistry, geometry, and technology, San Francisco-based Earthscape artist Andres Amador creates massive sketches in the beach sand – sometimes geometric, and sometimes more abstrac...

How Do We Know How Old the Sun Is?

How Do We Know How Old the Sun Is? The Royal Observatory, Greenwich, and animation studio Beakus join together to explain how Kepler and Newton’s laws help us figure out the weight of the ...

The science of solar eclipses: How do solar & lunar eclipses work?

How do solar & lunar eclipses work? And why don't we get eclipses every month? This Vox explainer is packed full of really interesting information about the remarkable science of solar eclipses. Find out how 5.1 d...

The Story of Zero – Getting Something from Nothing

Once upon a time, zero wasn’t really a number. Its journey to the fully fledged number we know and love today was a meandering one. Today, zero is both a placeholder, and tool, within our number system signifying an a...

A Fold Apart: Origamist Robert Lang’s Incredible Paper Creations

Twenty five years ago, physicist Robert Lang worked at NASA, where he researched lasers. He has also garnered 46 patents on optoelectronics and even wrote a Ph.D. thesis called "Semiconductor Lasers: New Geometries an...

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