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2pcs 20.5cm Glass Windmill Solar Powered Crookes Radiometer Light Mill/Educational Teaching Study Tool
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Delivery: Standard (£4.72) | Mon 7th - Sat 12th Sep
Sold by: CollBea
Returns: 30 days
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Description & Details
Summary
- Subject: Physics
- Inside the bulb, on a low friction spindle, is a rotor with several (usually four) vertical lightweight metal vanes spaced equally around the axis. The vanes are polished or white on one side and black on the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing.
- Just place near a window or under a direct incandescent light as the vanes only rotates in light (sunlight or incandescent light). The more light shine on the globe the faster the vanes rotates.
- Magnificent Glass Radiometer, makes a great gift for the one who have everything.
- All made of glass.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.
2pcs 20.5cm Glass Windmill Solar Powered Crookes Radiometer Light Mill/Educational Teaching Study Tool Description
Subject: Physics
Inside the bulb, a low friction spindle, is a rotor with several (usually four) vertical metal vanes spaced equally around the axis. The vanes are polished or white one side and black the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing.
Just place near a window or under a direct incandescent light as the vanes only rotates in light (sunlight or incandescent light). The more light shine the globe the faster the vanes rotates.
Magnificent Glass Radiometer, makes a great gift for the one who have everything.
All made of glass.This physical and technical miracle shows you in a clear way how sunlight is converted to .Place near a window or under incandescent light and watch as the vanes rotate.
colour:Transparent
Material:glass
size:Base Size: 80mm/3.1 inch
Height: 205mm/8.1 inch
Sphere diameter: 90mm/3.5 inch
Package Contents:
2 x Crookes Radiometer
Details
| OPC | PVCWFP6 |
|---|---|
| Codes | 6032894315551 (EAN) |
| Links | Solar String Lights |
Product Data
| Height | 28cm |
|---|---|
| Width | 15cm |
| Length | 37cm |
| Weight | 0.429kg |
| Colour | Transparent |
| Material | glass |
Compare Sellers for 2pcs 20.5cm Glass Windmill Solar Powered Crookes Radiometer Light Mill/Educational Teaching Study Tool
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