Topic: geometry

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Mysteries of the world’s biggest dome

How did Filippo Brunelleschi use engineering, design, math, and secrecy to build the world's biggest dome? "...Experts still don't fully understand the brilliant methods he used in constructing the dome, which tops th...

An accidental toy inventor’s shapeshifting designs

What if we could make objects transform in the same way a flower unfolds from its bud? This is what designer, Harvard professor, and accidental toy inventor Chuck Hoberman is trying to figure out. His work, ranging fr...

Triply Ambiguous Object by Kokichi Sugihara

Continuing his highly-regarded work in the illusion community, artist and mathematician Kokichi Sugihara won the 2018 Best Illusion of the Year award for his Triply Ambiguous Object. The piece includes a paper with an...

Types of Triangles, a Flocabulary math music video

This triangle is acute. Right triangle, obtuse. Isosceles, scalene. Equilateral, now you know the whole team. Learn the basics of triangles with Types of Triangles, a catchy and informative math music video from th...

How bubble engineer Melody Yang makes mind-blowing bubbles

Blowing bubbles might seem pretty simple, but when you've spent a lifetime studying the science and behavior of bubbles, setting world records and creating them for audiences around the world, bubble engineering can b...

Liquid Printed Pneumatics: 3D printing stretchy silicone structures

Imagine 3D printing a balloon of sorts, a stretchy material that can expand or contract with the air that's pumped into it. MIT’s Self-Assembly Laboratory, in collaboration with BMW, has developed a new way to print s...

Professor Kokichi Sugihara creates his mind-blowing illusions with math

Professor Kokichi Sugihara is world-renowned for his award-winning impossible objects and reality-defying illusions. He uses mathematics to make the three-dimensional objects that create his impossible scenes and illu...

How To Make Geometric Pies by lokokitchen

Self-taught baker Lauren Ko creates geometric pies and shares them on her popular Instagram account lokokitchen. In this Tasty video, she talks about what inspired her to start baking, how she learns new tricks, and h...

How To Make a Hexaflexagon: The Definitive Guide

How do you make a hexaflexagon in under a minute from any long scrap of paper without scissors, tape, or glue? 'Mathemusician' Vi Hart is well-known for her love of hexaflexagons, hexagonal flat paper models that can ...

Dinara Kasko’s incredible edible geometric cakes

Ukrainian pastry artist Dinara Kasko creates incredible-looking edible cakes that are inspired by geometry, architecture, sculpture, and technology. For a 2017 ‘ruby chocolate’ event in Shanghai, she made an 81 piece ...

Most Satisfying Video of Pop-Up Cards designed by Peter Dahmen

Germany-based paper engineer Peter Dahmen designs and builds intricate paper structures and pop-up cards. Titled Most Satisfying Video of Pop-Up Cards, the video above showcases how Dahmen's personal and commercial wo...

Ballet Rotoscope

A ballerina dances as the joints on her body are traced with a computer-generated rotoscope animation technique, an algorithm that brings a mathematical layer to her natural movements. Ballet Rotoscope (2011) was crea...

How many ways are there to prove the Pythagorean theorem?

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 th...

The Kresling-Pattern and our origami world

Biruta Kresling is a Paris-based architect and independant researcher on folded structures—specifically how nature folds and unfolds tree leaves, tortoise shell bamboo, turbinate mollusk shells, the air sac of the h...

Creating The Never-Ending Bloom: John Edmark’s spiral geometries

Artist, designer, inventor, and Stanford professor John Edmark creates sculptures that are driven by precise mathematics, but his interest in spiral geometries is driven by something more enigmatic... "a search for un...

A woodworker creates ‘Fibonacci Spiral shavings’

With a freshly sharpened chisel, woodworker Paul Sellers creates what he calls 'Fibonacci spiral shavings,' shaved pieces of wood that resemble Fibonacci spirals, "an approximation of the golden spiral created by draw...

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...

Calculating Pi (π) with Darts

Can you calculate Pi (π) by throwing darts at a square and circle target as randomly as possible? Physics Girl's Dianna Cowern and Veritasium's Derek Muller attempt the challenge, and when "randomly" doesn't happen, t...

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