Tabletop Radiometer Book furniture design

furniture design

the French Revolution

and more – and a starred Library Journal review

the bamboo square must be totally covered by the bag—on all sides

Tabletop Radiometer Book furniture designThis captivating physics toy transforms light into action. Invented in 1873 by the chemist Sir William Crookes as the by product of some chemical research, the Radiometer is made from a glass bulb with a set of four two tone vanes inside. All the air has been removed from bulb which creates a partial vacuum and allows vane to rotate freely on a central spindle. When exposed to sunlight, artificial light, or even heat, the vanes begin to spinthe dark