› added 1 year ago

59

TIL - Vacuum Microelectronics is a field of study, to shrink old-fashioned vacuum tubes used in radios and TV's prior to the 60's, down to a sub-millimeter size.

Read more iopscience.iop.org

via reddit.com

1a1Lr TIL that Zoe Saldana has apologized for playing Nina Simone in a movie. God forbid an actress pretend to be someone in a movie. Will she now have to apologize for playing Neytiri in Avatar, Gamora in Guardians of the Galaxy?
KYwja TIL Because of their weight and height, adults using a Slip N Slide risk serious back and neck injuries that have resulted in paralysis for some
0wXA5 TIL about a set of twins that reunited after 37 years in 1979. Both were named Jim by their adoptive parents, loved carpentry and math, and pursued careers in security. Even stranger, they had each married a woman named Linda and then remarried a woman named Betty.
rRrpM TIL You don't get vitamin D from the sun. You make vitamin D from cholesterol in its inactive form. Inside your cells, this inactive form gets subjected to UV light which is provided by the sun and then gets activated. That's where the whole "vitamin D from the sun" idea comes from.
odgr TIL that if one attempted suicide (by hanging, for instance) in 19th century Britain and failed to die, he/she would be charged with attempted murder…which could be punished with death by hanging