› added 4 months ago

70

TIL that because all US banknotes are the same size, making telling them apart hard-to-impossible for the blind, the US Bureau of Engraving and Printing provides an electronic device (the iBill Currency Identifier) that can identify the value of the bills free of charge.

Read more afb.org

via reddit.com

4kERg TIL: Bosses spend significantly more personal time on social media during work hours than their subordinates, according to a Norwegian study of more than 11,000 people.
WJPL TIL - Alf Adams came up for the idea of the ‘strained-layer quantum well laser’ walking on the beach with his wife. He paused for a moment and asked her to stop talking for a moment to let him think, these lasers are now used in almost every household today
Dayv TIL that North Koreans eat 375 calories a day
8aJPG TIL Ed McMahon was a Colonel in the Marines, and flew 85 combat missions in the Korean War, before co-hosting The Tonight Show.
yY7a TIL Károly Takács, a right handed Hungarian shooter, severely injured his right (shooting) hand in a grenade explosion. He retrained himself with his left hand and went on to win 2 Olympic Golds 10 years later.