› added 5 years ago

190

TIL that there are 450 Ivy League courses available online for free.

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nWm0d TIL - Proton-enhanced nuclear induction spectroscopy (PENIS), also sometimes called Cross Polarisation (CP), is a nuclear magnetic resonance technique invented by Michael Gibby and Alexander Pines while they were graduate students
XQKX TIL Richard Feynman made one mistake in his Feynman’s Lectures book and one student got her answer wrong in a exam. To her Feynman wrote “In science, believe in logic, not in authorities; I goofed and you goofed it too for believing me”
XEoB6 TIL John Hathorne was the only judge in the Salem Witch Trials never to apologize for his actions. His great-great grandson, Nathaniel Hawthorne, added a W to his last name to distance himself from him.
QwDE TIL police stopped Rodney King on the 20th anniversary of his beating and cited him with driving with an expired license
Webo TIL: There are 1.34 billion farmers worldwide, and 74% of them practice traditional handpicking on small farms, but supply less than 5% of our global food supply.