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Crookes Radiometer

Definition: The Crookes radiometer, also known as the light mill, is a scientific device that converts light radiation into rotational motion. It consists of a glass bulb containing a partial vacuum and a set of lightweight vanes with one side blackened and the other side white or silvered.

Senses and Usages:

Sense 1:

Noun - Scientific Instrument

A Crookes radiometer is a scientific instrument used for demonstrating the principles of radiation pressure and thermal transpiration. It typically consists of a glass bulb with a spindle-mounted vane inside, capable of rotating when exposed to light or heat.

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Sense 2:

Noun - Decorative Piece

A Crookes radiometer can also be used as a decorative and educational piece. Its rotating vanes create a mesmerizing visual effect when exposed to light, making it an interesting addition to any desk or shelf.

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Sense 3:

Adjective - Local Reference

In some local regions, particularly in scientific communities, the term "Crookes radiometer" might be used as an adjective to describe any device or experiment related to radiation measurement or thermodynamics.

Sample Sentences:

1. The Crookes radiometer is a remarkable scientific instrument used to demonstrate light's impact on matter.
2. I bought a decorative Crookes radiometer to add an interesting touch to my office desk.
3. Researchers carried out an extensive study using Crookes radiometers to investigate radiation pressure.
4. When the sunlight hits the vanes of a Crookes radiometer, they start rotating in response to the energy received.
5. The local science fair showcased various student projects, including a homemade Crookes radiometer.