Discovery of the Electron. This year is the centennial of the experiments that led J.J. Thomson to announce the discovery of the first fundamental subatomic particle. The history of this famous advance can be reviewed at the Web site below. A text based on recent historical studies is accompanied by photographs, animated diagrams, quotes, and clips of Thomson's voice. Science teachers and students in particular should profit from viewing the site.
Online Einstein Museum. The Center for History of Physics also offers a large Web site giving a guided tour through the life of Albert Einstein. Numerous pictures along with quotes and voice clips illustrate an authoritative text by historians. The viewer can click on menu items dealing with Einstein's formative years, his revolutionary works such as relativity, his world fame (with period cartoons), the nuclear age, and many other subjects. It is organized with an index of topics and features, a chronology of basic facts, and links to much additional information on the Web about Einstein's life and science.
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