O by Mathieu Lehanneur
May 24th, 2006
O Gauges the oxygen level in a room. When it drops, the sensor switches on small LED’s which stimulate the spirulina algae, which in turn create oxygen, bringing the room up to a healthy level.

O Gauges the oxygen level in a room. When it drops, the sensor switches on small LED’s which stimulate the spirulina algae, which in turn create oxygen, bringing the room up to a healthy level.