Aug. 15, 1934: William Beebe and Otis Barton dive more than a half-mile in their bathysphere as the Woods Hole Oceanographic Institute, founded four years earlier, becomes a pioneer in deep-diving.
Aug. 15, 2007: The Tennessee Valley Authority orders an unprecedented shutdown of its reactor at Browns Ferry, Alabama. In the midst of a brutal heat wave, the Tennessee River’s temperature topped 90 degrees – too high to effectively be used as coolant water for the reactor.
Aug. 15, 2007: John Gofman, a physicist who sounded some of the earliest warnings about the danger of radiation, dies in San Francisco.
Photo: Tennessee Valley Authority