› added 1 year ago

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TIL In the 60s/60s NASA would use brooms to detect flames from Hydrogen leaks as they were odorless & colorless.

Read more nasa.gov

via reddit.com

jQ9v TIL A Spider exists in Madagascar whose Silk is over 10 times stronger than a similarly-sized piece of Kevlar.It is the toughest biological material ever studied. This spider was discovered in 2009.
dD7wE TIL That there were pilotless drones as early as the 1950's and one inadvertently caused multiple incidents of civilian property damage, near civilian misses, and a 1,000 acre forest fire while the US Air Force struggled to shoot it out of the sky.
g9LX TIL that Charles Muntz, the villian from Up, was named after Charles Mintz. A man who tried to sue Walt Disney over Oswald the Lucky Rabbit.
b95e0 TIL The Ambassadors, a portrait by Hans Holbein painted in 1533, contains an anamorphic skull that can only be viewed correctly from a certain angle
696XJ TIL the FDA approved a pill with a sensor that digitally tracks if patients have ingested their medication