› added 11 years ago

54

TIL common rocks and hardened clays can trap electrons in quantum pockets for thousands of years and release those electrons when reheated giving off light that can be used to date the rocks-( Thermoluminescence dating).

Read more wikipedia.org

via reddit.com

pKrp TIL Michael Crichton had an MD from Harvard, although he never obtained a license to practice medicine. He also believed patients too often shunned responsibility for their own health, relying on doctors as miracle workers rather than advisors.
9mLG TIL that there are unmanned US-CAN border crossings. You talk officers using a videophone and hold your passport up for the camera.
0dEej TIL the international space station (ISS) took 10 years and 15 countries working together to assemble
5YbBB TIL that Oxford University is so old that they don’t even know when exactly it was founded and that the earliest evidence of teaching there goes back to 1096.
j6GRj TIL of the 2022 Caribbean diving disaster where a group of five divers working for the Paria Fuel Trading Company were sucked into a pipeline from a hyperbaric chamber. One diver managed to crawl to safety, but the other four were left to die, with no attempt being made to rescue them