Crookes Radiometer Toy
Gelsonlab HSPEN-001 Vacuum cleaner Crookes radiometer Photovoltaic windmills Thermal radiator
Vanes in the Radiometer are alternately dark and light in color
Vanes transfer heat to each one but not at the same degree
Crookes Radiometer Toy reflects the rays and the darker vane absorbs the rays
For ages 7 and above
Recommened Age 6 thru adult
Magnificent Glass Radiometer, makes a great gift for the one who have everything.
All made of glass. Globe is 4 inch in diameter and stands 9 inch tall.
This physical and technical miracle shows you in a clear way how sunlight is converted to energy
Place near a window or under incandescent light and watch as the vanes rotate