Cipher Machine - Encryption

Drawing Machine - Linkages

Strobe Light Animator - Light Refraction

Mirror Bank - Mirrors

Domino Catapult - Projectile Motion

Trip Wire - Momentum Transfer

Galton's Goalie - Bell Curve

Geodesic Kaleidoscope - Light Spectrum

Vacuum Chamber - Vacuums

Vortex Cannon - Vortex

Boomerang Car - Worm Gear

Air Ball - Coanda Effect

Disc Launcher - Flywheel