How Things Work (19 gifs)

How a Zipper Works

Illustrating Pi: Unrolling a Circle’s Circumference

How a Pill Press Works

How Walschaerts Valve Gear in
Steam Locomotives Works

What a Tesseract (4D Cube) Looks Like

Knight’s Tour: How a Knight Visits
Every Square Once

How a Caliper Works

How a Constant Velocity Joint Works

How Circle Strafing Works

Proving the Pythagorean Theorem
Through Rearrangement

How a Radial Engine Works

How the Geneva Drive Works

How the Spinning Dancer Illusion Works

How a Hypotrochoid is Made

How an Alpha Stirling Engine Works

How to Draw a Yin Yang Symbol
Using Circles

How a Wankel Engine Works

How a Sewing Machine Works

How the Sun and Planet Gear Works