Welcome to Mayumi

Fun Science
Radio meter basic single

The Fun Science series is a series where you can enjoy mysterious chemical changes and phenomena as interiors.
When illuminated by light heat, the four wings in the glass rotate.
If it is placed on the window side, it will continue to rotate in response to incandescent light etc. if it is indoors. The speed of rotation changes in proportion to the intensity of light.
Originally a radiometer was an experimental instrument that converted solar energy into kinetic energy, devised by the British physicist Crooks in the 1870s.
Does not respond to fluorescent lights. Reacts to sunlight and incandescent light.

Product size: Height 250 x Width 70 x Depth 70mm
Material: Borosilicate glass, MDF
In a tea cardboard box
* Does not respond to fluorescent lights. Reacts to sunlight and incandescent light.