The ball runs uphill paradox

First Tensegrity table

Green energy out of boots

Aristotle wheel paradox, paradoxo da roda de aristóteles

Roberval balance

Boyle's flask works now! ロバートボイルフラスコ

Magnetic Fluid. Магнитная жидкость

Money Raising Machine

Gravitational Water synthesizer Water extractor

Homemade wind generator, how to make the wind at home

How to make bolt through wood

Black body radiation experimental model

Perpetual Motion Machine of Paul Scheerbart called "Mickey Mouse"

Tensegrity table

Strange cross legged table's behavior