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The conditions for the Twin Nuclei Problem began at the end of World War II, with the use of atomic fission bombs on the cities of [https://en.wikipedia.org/wiki/Hiroshima Hiroshima] and [https://en.wikipedia.org/wiki/Nagasaki Nagasaki] to force Japan's surrender. <!-- Duck and cover still plausible with fission, hydrogen fusion bombs change everything. 1954 Castle Bravo detonation. --> | The conditions for the Twin Nuclei Problem began at the end of World War II, with the use of atomic fission bombs on the cities of [https://en.wikipedia.org/wiki/Hiroshima Hiroshima] and [https://en.wikipedia.org/wiki/Nagasaki Nagasaki] to force Japan's surrender. <!-- Duck and cover still plausible with fission, hydrogen fusion bombs change everything. 1954 Castle Bravo detonation. --> | ||
[[File:DNA-structure-and-bases.png|right|thumb|Structure of DNA.]] | |||
In 1953, Watson and Crick discovered the 3-dimensional structure of DNA. | In 1953, Watson and Crick discovered the 3-dimensional structure of DNA. | ||