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Thursday, 16 November 2006 01:00 |
A radioactivity is the spontaneous emission of matter or energy from the nucleus of an unstable atom (the emitted matter or energy is usually in the form of alpha or beta particles, gamma rays, or neutrons).Flickr PhotosThese pictures about "radioactivity" have been delivered by flickr on a random basis. We have no influence on it. All rights belong to their respective owners. | |  Irène Joliot-Curie (1897-1956), c. 1935by Smithsonian InstitutionCreator: Science Service
Subject: Joliot-Curie, Irène 1897-1956
Joliot-Curie, Frédéric
Type: Black-and-white photographs
Date: 1935
Topic: Physics
Women scientists
Nobel Prizes
Local number: SIA Acc. 90-105 [SIA2008-4487]
Summary: This photograph was distributed to the press when physicist Irène Joliot-Curie (1897-1956) was jointly a . . . |  Herta R. Leng (1903-1997), 1940by Smithsonian InstitutionCreator: Science Service
Subject: Leng, Herta R
Rensselaer Polytechnic Institute
Purdue University
Type: Black-and-white photographs
Date: 1940
Topic: Physics
Women scientists
Local number: SIA Acc. 90-105 [SIA2008-5248]
Summary: Austrian-born physicist Herta R. Leng (1903-1997) fled Austria in 1939 and eventually immigrated to t . . . |
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