Radiant Light Mill Radiometer
A Real Solar Engine
Take this radiometer for a spin in a sunny spot and watch thermodynamics in action. Once it soaks up some rays it becomes a real solar engine. The stronger the light, the faster it spins!
- Impress your friends with this decorative glass radiometer
- Available in small or large size
- Choose from clear, green, blue or amber base designs
- A great gift for science lovers!