Feature

Crookes' radiometer in a block of ice

J. H. Taylor

This photograph shows a Crookes' radiometer, an apparatus that is traditionally included in radiometric demonstrations. It consists of a small paddle wheel with four very thin vanes that have been blackened on one side and highly polished on the other side.

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Publish Date: 01 June 1987

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Feature

Crookes' radiometer in a block of ice

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