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Radiometer

$9.95
SKU:
LL56540
Quantity:

Product Description

These silly things were around in the 1960’s. They look like a light bulb with a tiny weather vane inside balanced on top of a long needle. When it is placed in front of an infrared heat source such as the sun, a hair dryer, or heat dish, the vane spins. The more heat there is, the faster the radiometer spins.

Demos and Labs: Radiometer Studies

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