› added 4 years ago

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TIL the James Webb Space Telescope has gold-plating on its mirrors because the mirrors are made of poorly-reflective beryllium able to withstand cold.

Read more nasa.gov

via reddit.com

YpExd TIL about The Human Library, an international organization/movement started in 2000 and active in more than 80 countries where, instead of books you 'borrow' people. People with interesting and unique life stories volunteer to be the 'books' and share their experience and answer questions.
x5n0 TIL that the longest game of chess, theoretical, is 5949 moves.
8aAwG TIL that Jack Daniel learned to distill whiskey from a slave
16RR7 TIL Indonesia wants to move the capital to a new city
rLgx TIL Carl Sagan wanted “Here comes the sun” by the Beatles to be on the Voyager Golden Record, but E.M.I. records turned down the offer