› added 7 years ago

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TIL There are no reported cases of runners dying of dehydration during marathons — but there are plenty of cases of runners dying from water intoxication.

Read more nytimes.com

via ift.tt

rN644 TIL passing high frequency sound waves through a liquid results in the formation of imploding microscopic bubbles that can be used to clean the inside of submerged objects in a process known as an ultrasonic bath
pYadG TIL that, after being struck on a foggy river in 1914, a passenger ship sunk in under 15 minutes, rendering useless the fact that there actually were enough lifeboats. Over a thousand perished.
AmDl TIL the US has a worst child poverty rate than Greece or Slovakia
DQpJD TIL CLoudFlare has been using lava lamps, double pendulums, and Geiger counters as an alternative source of randomness for encryption keys since at least 2017
x5Ag TIL: the word “synonym” has a synonym and it’s “Poecilonym”