Optical Perpetual Motion Machine

Rotational Kinetic Energy of a Loop & Rotational Kinetic Energy of a Disc

Top 10 Perpetual Motion Machines for 2015

Quantum Physics ~ The Hidden Microscopic Universe, New Updated Science [Full Documentary]

Amazing Animated Optical illusions - Baltiyn

Amazing Physics experiments with time | wonderful experiment with machine

Theory of Relativity

Bolt in the wood tricky model

Suspended Gears

Interesting Projects

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Medieval Construction Machines models

Regress Perpetuum Mobile

Flat spring perpetual wheel

Stevin's bead chain

The Home-crafted Wind

Machine à Bascule, remake

Perpetual Spring Engine

Scott F. Hall Gravity Motor

See-Saw Balance

Da Vinci Odometer, working model

Marble Machines

"Genial", Montreal TV Show

Atmospheric Engine

Tilting Table with a secret

Ball Engine