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Crookes Radiometer


GG2108
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$59.95
RRP: $59.95
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A beautiful desk gadget or serious educational toy.
Sold as - Each
Stock unit - Each


GG2108

A beautiful desk gadget or serious educational toy, the Crooke's Radiometer demonstrates that light has energy, and will turn its vanes even when illuminated by a torch. Despite many people thinking that the motion is caused by the impact of photons on the vanes, the Radiometer in fact operates as a heat engine, driven by the different temperatures of the black and silver vanes.

Features:
 - One piece glass body with metal vanes
 - Use as simple desk ornament
 - Great for physics demonstrations

Specifications