An anonymous reader writes: Nuclear weapons specialists are limited in their research today. Prudence and international treaties prevent them from setting off any nuclear weapons, so they have to run tests through other means and interpret the results. But this wasn't always the case. In the '50s and '60s, the U.S. government performed a huge number of nuclear weapons tests, and filmed most of them. As happened with a lot of film from that time, most laid untouched in storage facilities until people generally forgot about them. But physicist Greg Spriggs recently realized they could be a trove of useful information, so he started tracking them down, eventually locating thousands of them. His team has started scanning and analyzing them. They've finished about 3,000 so far, with more than half yet to go. "Now, of course, scientists have computer programs that can analyze every single pixel in a frame over hundreds of frames. What might have taken days by hand takes only minutes. With computer analysis, Spriggs is pinpointing more precise yields. Computer models then use yield to estimate the damage from a bomb in different situations."
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