This is equal parts inventive and insanely creepy.
A Stirling engine in motion. Mesmerizing.
Beautiful stirling engines from Heteluchtmachines.
From the Wikipedia article:
A Stirling engine is a heat engine that converts thermal energy into mechanical energy. The engine is like a steam engine in that all of the engine’s heat flows directly through the engine wall.
A film exploring the psychological phenomenon of Synesthesia.
