Radiometer

Radiometer

Regular price $16.00 $0.00 Unit price per
It's the spinner powered by the sun! When light strikes the diamond wings it tranfers heat to each one, but not to the same degree. The light wing reflects the rays & the darker wing absorbs the rays. The stronger the light, the more energy there is to heat up the darker side, causing the wings to spin faster. Recommended for ages 14+

Share this Product