A Gyroscope Initiates Natural Light

wood, steel, glass, vibrio fischeri diluted in seawater

A gyroscope provides movement to a glass cube filled with bioluminescent bacteria, Vibrio fischeri, diluted in seawater. The movement triggers glow to the fluid which appears as a floating form of light in the dark room as long as the gyroscope is in motion. 

Andreas Greiner, Berlin 2013