› added 5 years ago

92

TIL of the Manicouagan Reservoir, a 60 mile diameter lake in Northern Quebec created by a meteorite impact. The island in the center has a larger surface area than the lake itself, and it has been hypothesized that it was one of at least five impacts in a single event 200 million years ago

9wgmD TIL that metals can form whiskers that slowly grow over time, especially in electronical devices. The exact process that make them is unknown and can cause problems like short circuits and arcing. These whiskers can become airborne and cause serious problems in large server rooms.
Ynjd TIL that after needing 13 liters of blood for a surgery at the age of 13, a man named James Harrison pledged to donate blood once he turned 18. It was discovered that his blood contained a rare antigen which cured Rhesus disease. He has donated blood a record 1,000 times and saved 2,000,000 lives.
M7gA8 TIL that 'The Omega Man' (1971) has among the first interracial kisses in film, between Charlton Heston and Rosalind Cash. When Whoopi Goldberg asked Heston about the kiss in 1992 on her talk show, Heston leaned in and kissed a pleasantly surprised Goldberg.
vP5oB TIL The Antarctic Treaty System Has Set Rules for Scientific Exploration from International Entities and Banning Military Involvement in Antarctica Since Going Into Effect in 1961
7reer TIL Kintsugiis the Japanese art of repairing broken pottery with precious metals. As a philosophy, it treats breakage and repair as part of the history of an object, rather than something to disguise.