› added 10 minutes ago

TIL scientists spent decades studying why soundwaves at 60hz and lower could extinguish fire - until one researcher found out speakers used to generate the sound were basically blowing airflows not unlike a fan

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78Or7 TIL At one point in the 1980s, China had an estimated 400,000 Esperanto speakers, and the language was taught at a number of universities. Now there is only one Chinese college Esperanto program left
O8WL TIL Eiichiro Oda the creator of the Manga One Piece originally planned it to last 5 years, but it has gone for 16 years and is nowhere near done.
QVbE TIL that post-presidency, Harry Truman decided that he did not wish to be on any corporate payroll or commercial endorsements, believing that taking advantage of such financial opportunities would diminish the integrity of the nation’s highest office. His only income: $112.56 per month army pension
p8dBp TIL In 2003, US Intelligence developed a set of playing cards featuring the most wanted members of Saddam Hussein’s regime. They were disturbed among troops to help them identify targets. As of 2018, all but 6 of the 52 most wanted have been either killed, or captured.
VBAJ4 TIL - McDonald's serves a birthday cake (a plain white sheet cake with Ronald McDonald printed in the center) at some locations.