Is It Possible To Completely Fill a Klein Bottle?

Why It Was Almost Impossible to Make the Blue LED

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Can water solve a maze?

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

Amazing Perpetual Motion Machines

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The World's Tallest Pythagoras Cup—Does It Still Drain?

Turning styrofoam into cinnamon candy

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Making transparent wood

The Oldest Unsolved Problem in Math

Turning a BLOB into PURE GOLD!

The Assassin's Teapot Is Weird

I Survived Sensory Deprivation

I 3D Printed a $1,175 Chair

Six questionably legal pencil sharpeners

The Simplest Math Problem No One Can Solve - Collatz Conjecture

This Weird Shape Rolls Uphill Instead of Down

Testing If You Can Blow Your Own Sail

Turning cotton balls into cotton candy