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Glassic Gifts Hanging Crooks Light Mill Glass Ornament

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Glassic Gifts Hanging Crooks Light Mill Glass Ornament
- High Quality Ornament Made From Optical Quality Glass
- Great For Gadget And Science Buffs
- Includes Hanging Hook And Detailed Instructions / History
- Inner "Vane" Rotates Without Any Power When Placed Near A Light Source
- Educational - Powered By Scientific Principles Discovered By Sir William Crookes (1832 -1919)
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.

Country	USA
Binding	Kitchen
Brand	Glassic Gifts
EAN	0701748827309
Label	Glassic Gifts
Manufacturer	Glassic Gifts
Model	CLM-05-OR
MPN	CLM-05-OR
PartNumber	CLM-05-OR
Publisher	Glassic Gifts
Size	5" Tall x 3" Wide x 3" Deep
Studio	Glassic Gifts
ReleaseDate	0000-00-00

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