4 Blades Rotating Glass Windmill Solar Powered C
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In stockThe Story
This magnificent glass radiometer, invented by Sir William Crookes in 1873, demonstrates the conversion of light into energy. The 3.5-inch globe stands 8 inches tall and features four rotating vanes that spin when exposed to sunlight or incandescent light. Perfect as a unique gift or educational tool, it showcases the principles of radiation pressure in a partial vacuum.
add_circle The Upside
- check Fascinating demonstration of light energy conversion
- check Unique decorative piece for home or office
- check Educational tool for physics concepts
remove_circle The Downside
- close Requires direct light source to operate
- close Fragile glass construction
- close Limited practical use beyond decoration and education
Specifications & features
Key features
- check_circle 4 rotating vanes with black and white sides
- check_circle Partial vacuum glass bulb for low friction rotation
- check_circle Operates on sunlight or incandescent light
- check_circle 3.5-inch diameter globe, 8 inches tall
- check_circle All glass construction
Specifications
Base Color
Green (for variant C)
Blades
4
Globe Diameter
3.5 inches
Height
8 inches
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