# Topic: *math*

## Odd – Mysteries of Vernacular

Odd. Odd. Say it a few times, and the word 'odd' sounds odd. Peculiar. Different from what is usual or expected. Of course, we also know that odd numbers can't be divided evenly into two groups. But where did this odd...

## 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...

## General relativity & why GPS wouldn’t work if we didn’t know about it

General relativity, what Albert Einstein said was the happiest thought of his life, basically expands upon the idea that "the laws of physics are the same everywhere". Light and gravity behave in the same way for you....

## 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...

## 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...

## 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 ...

## The mathematical secrets of Pascal’s triangle – TED Ed

It's known as Pascal's triangle in the Western world, but centuries before that, it was the Staircase of Mount Meru in India, the Khayyam Triangle in Iran, and Yang Hui's Triangle in China. It can look complicated at ...

## How many LEGO combinations can be made with 6 standard bricks?

"How many ways can you put together six of these bricks?" This question, asked and answered in 1958 with an estimate of 103 million, has only recently been answered correctly, thanks to math professor Soren Eilers and...

## Sunlight is way older than you think – TED Ed

The random walk problem -- the "mathematical formalization of a path that consists of a succession of random steps" -- can be applied to sunlight... not the sunlight that travels from the sun to Earth, which takes onl...

## Chris K. Palmer’s origami tessellations – Flower Tower

Origami artist Chris K. Palmer specializes in complex origami tessellations -- "a flat surface is the tiling of a plane using one or more geometric shapes, called tiles, with no overlaps and no gaps" -- that he folds ...

## 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...

## 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...

## 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...