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Radiometer

Take your mind for a spin. Place the radiometer in the sun, by a lamp, or by many other light sources and watch it spin faster and faster - how fast it spins depends on the intensity of the light.

Radiometers, also referred to solar engines, will help you understand how light energy can be transformed it into mechanical energy and heat energy.

It is amazing how much time you can spend watching the radiometer spin on the corner of your desk or window ledge.

The radiometer is made from glass. Supervise children. Package recommends this products for ages 8 and up.

Price: Can$16.50