Word: radiumator
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...same sort of chain reaction must be started for a successful large-scale atomic explosion. Above, the rare form of uranium, U-235, is shown breaking down into barium and krypton (only one of several possible disintegrations). The "match" is a neutron source at left. (Radium mixed with beryllium is a common source of neutrons...
Mass & Energy. In 1896 Henri Becquerel discovered radioactivity, which is the spontaneous release of atomic energy by certain heavy metals. Becquerel had some photographic plates lying in a dark drawer near a bit of uranium; he found the plates lightstruck. His researches led to the discovery of radium by Pierre and Marie Curie, and it was by using radium for cancer therapy that man first harnessed atomic energy to his own ends...
Died. Mme. Jean Colette,* 47, longtime aide to her Polish countrywoman, Marie Curie, at the Radium Institute in Paris; from the effects of radioactivity research continued after Mme. Curie's death in 1934 from radium poisoning; in Paris...
...Joliot's Curie Laboratory has the one gram of radium purchased for Madame Curie with the $100,000 subscribed by U.S. women on her visit...
...Nazi troubles. His laboratories at Paris and Ivry were seized and in June, 1941 he had a twelve-hour ordeal with the Gestapo. He came through well enough to get back not only his laboratories but also the only French-owned cyclotron and a precious stock of radium.* Says he: "It wasn't funny. But after I had convinced them that I was all right, I was able to get back to work seriously...