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TIL Researchers created an algorithm that can reconstruct an audio by analyzing minute vibrations of objects depicted in video. In one set of experiments, they were able to recover intelligible speech from the vibrations of a potato-chip bag photographed from 15 feet away through soundproof glass

QNjdL TIL In 1894 Hart Massey left Massey Hall to all the people of Toronto, asking that tickets would remain accessible for the poor. "Ideally, once all expenses were paid, Massey wanted tickets for a season of lectures to sell for $1."
gQbX TIL that the Phillip J Seymour, the last witness of Abraham Lincolns assassination, lived long enough to be interviewed about it on TV
E1MNP TIL that Taylor Swift composed her song "Enchanted" after a meeting with Adam Young (Owl City) which, in return, presented a cover dedicated to her of the same song on Valentine's Day. Despite the interviews they gave at the time and the romantic text of the songs, the two never officially dated.
yQMnX TIL A telescope designed to view the H-alpha emission produced by excited hydrogen can show granulations on the solar surface and great detail in the sunspot regions. The H-alpha filter must be designed to produce a very narrow pass band around the wavelength of 6,562.8 Ångströms for safe viewing
7KGx TIL The 1908 Olympics was hosted in London after being relocated from Rome after Mount Vesuvius erupted. It was also the longest Olympics lasting for 6 months and 4 days.