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73

Let's take Harry Truman as an example. He was born in 1884. The electron was discovered in 1897, which would have been Truman's freshman year at Independence High School. If he did take a physics or chemistry class at that school or at Spalding's Commercial College, models of the structure of atoms would not yet have been part of the standard curriculum. ...


50

At least regarding when, we can see with Google Books Ngrams. First let's look at "atomic energy" vs. "nuclear energy": In the 1940s, both terms were in use, but "atomic energy" was the far more common one, by about factor of 10 in the late 1940s and by a factor of 4 in the late 1950s. But the popularity of "atomic energy&...


1

There are still quite a lot of uses of "atomic" in this kind of context floating around, particular in organisation names. For eaxmple, in the UK, the Atomic Weapons Establishment is responsible for the maintenance of the UK's nuclear weapons arsenal; the International Atomic Energy Agency is a body involved in use of nuclear power - I'm sure there ...


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