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Charles Abbot, US astrophysicist

Charles Abbot, US astrophysicist

C024/8228

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Credit

EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY

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Caption

Charles Abbot (1872-1973), US astrophysicist, with bolometric apparatus during the Astrophysical Observatory Solar Eclipse Expedition, in 1900. Abbot researched the solar constant, which led him to invent the solar cooker, solar still and other solar inventions. He was the fifth secretary of the Smithsonian Institution, USA, from 1928-1944. A bolometer is a device for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature-dependent electrical resistance.

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