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Glassic Gifts Hanging Crooks Light Mill Glass Ornament

Glassic Gifts Hanging Crooks Light Mill Glass Ornament

Product Code(SKU): S00Z3N2EPB

Product Category: Home & Kitchen

Product Category: Home

Product weight: 0.35 Pounds

Brand: Glassic Gifts

Price: $14.88

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product description:

What is a Crookes Radiometer and how does it work? Sir William Crookes (1832 -1919) was a British chemist and physicist who was a pioneer in the field of vacuum tubes. While investigating infrared radiation and the element thallium, he developed a special kind of radiometer, an instrument for measuring radiant energy of heat and light. Crooke s Radiometer, also called a light mill or solar engine consists of a vacuum sealed glass vessel with a four sided vane suspended in the middle. Each leaf of the vane is colored black on one side and silver on the other. When the radiometer is exposed to light, the vane inside will spin on its own accord. Depending on the strength of the light source will determine the speed in which the vane will spin.
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