Radiometer

$18.00

4 in stock

SKU: 043067018007 Category:

Description

Vanes in the Radiometer are alternately dark and light in colorWhen the light strikes the vanes it transfers heat to each one but not at the same degreeLighter vane reflects the rays and darker vane absorbs the raysStronger the light, the more energy there is causing the vanes to spin faster