› added 7 years ago

151

TIL putting ice cubes in your hand, when you really want to experience physical pain, is a way of focusing on something without necessarily hurting yourself.

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DQ70v TIL I learned that the physicist Richard Feynman once spend an evening breaking spaghettis apart to study their breaking patterns.
Kk84 TIL that at least 60 wealthy Osage Indians where murdered in the 1920s for the oil rich land they owned.
dDaAQ TIL Kepler predicted that Venus' diameter is almost a quarter of the Sun's diameter, so Mercury should have a tenth of the Sun's diameter. Pierre Gassendi saw the true size of Mercury in 1631 during its transit across the Sun, and was surprised by how small it was as it looked like a sunspot
g0g4 TIL the US Air Force accidentally dropped two atomic bombs 260x more powerful than Hiroshima on North Carolina but a low-voltage safety switch prevented disaster.
LkLyV TIL about a beauty contest held in Singapore in 1998, which awarded 60% of the marks for knowledge of the internet.