› added 2 years ago

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TIL whiskers can spontaneously grow from tin and several other metals, sometimes causing catastrophic damage within electrical circuits. NASA has a team dedicated to investigating this risk, but the fundamental cause of “whiskering” has still not been discovered.

Read more nepp.nasa.gov

via reddit.com

b4dQ TIL The US launched a spy rocket with a logo featuring an octopus and the words “Nothing is beyond our reach”
1rmr TIL that a 23 year old French man impersonated a missing sixteen year old Texas boy and lived with the boy’s family for over four months.
XGj8 TIL an 8 year old named Tyler Doohan saved 6 people from his burning house before finally succumbing to the fire himself while trying to save the last victim, his disabled grandfather. They were best friends.
4VKb TIL there was a surgeon called Robert Liston who achieved the incredible 300% mortality rate following a surgery.
g6mW TIL that when Admiral Rickover, father of the USA’s nuclear navy, was forced to retire by President Reagan he replied with “Mr. President, that is bullshit” and walked out.