Category: History
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Appreciating the Science and Side Stories in Oppenheimer
IsotopesThe star of the movie, aside from the obvious titular character, Oppenheimer, is the use of isotopes. The very much talked about uranium-235.An isotope is a variation of an element with a different number of neutrons. Since an element’s identity and chemical properties lie in the number of protons, adding neutrons changes the mass of…
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The Road to the Atom Bomb: The Joliot-Curies

“The first unquestionable proofs of the transformation of elements into different chemical elements have been provided by the study of the phenomena of radioactivity” -Frédéric Joliot-Curie