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We are selling from Japan.
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How it works - Glass radiometers are made of vacuum glass bulbs. There is a rotating shaft and 4 blades inside. The leaves rotate when exposed to sunlight, artificial light, or infrared light. The stronger the light, the faster it spins.
EXQUISITE DESIGN - Handcrafted from high quality glass. Crystal clear, small size, exquisite. It must be placed on a flat surface to avoid shattering.
Best decoration - Suitable for office, living room, bedroom, classroom, study room, party and other occasions. Place it on your desktop or windowsill and as long as there is enough light, it can be rotated continuously without the need for any other energy.
Creative Gift - A perfect gift for your family, friends, colleagues and leaders. As long as there is light, it can rotate continuously like our emotions. Friendship is forever as long as you treat it honestly.
Physics teaching tool - its formation can explain many physics principles. For example, the principle of light refraction, the principle of air friction, the principle of vacuum propagation of light, the principle of non-uniform heating, the principle of power generation, etc.
Product Introduction: A radiometer is an educational and physical demonstration object invented by British physicist Crooks about 100 years ago. Today, radiometers have become home decorations and holiday gifts. Of course, it can also be used as a teaching tool for physics. How does it work? A radiometer consists of a glass bulb partially in a vacuum. Inside there are four vases mounted on spindles. The vanes rotate when exposed to sunlight, artificial light, or infrared light.
