ETA hand2mind Radiometer

April 27, 2018 - Comment

This classic model demonstrates that light has energy. As the dark and light vanes in the 3″-diameter glass globe absorb light at different rates, the vanes spin, depending on the intensity of the light. 5″ high.

Buy Now! $9.95Amazon.com Price
(as of 22. July 2018 17:51 CEST - Details)

This classic model demonstrates that light has energy. As the dark and light vanes in the 3″-diameter glass globe absorb light at different rates, the vanes spin, depending on the intensity of the light. 5″ high.

Comments

Write a comment

*