Hundreds of declassified videos of U.S. nuclear weapon testing released

A nuclear weapons physicist embarked on a 5-year quest to recover and salvage an estimated 10,000 classified films of nuclear weapons testing from the years 1945 to 1963. The films were scattered across the country in secure vaults, untouched and slowly decomposing for nearly 50 years, Business Insider reports. So far, the team at Lawrence Livermore National Laboratory in California, which is operated by the Department of Energy, has scanned 6500 films, and 750 have been declassified and dozens posted on YouTube. Researchers’ goals are to preserve the film before it is “lost forever,” provide better data for post–testing-era scientists, and update and correct old figures. (Some were off by 30%, according to the lab’s statement.)

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