› added 4 years ago

55

TIL that Danish 1, 2 and 5 kröner coins have holes in them to help blind people differentiate between coins.

Read more wikipedia.org

via reddit.com

OoooX TIL the Sputnik 1 didn’t have any sensors, only a radio transmitter and it was launched 60 years ago.
ZGyo TIL private companies can outsource call centers to US federal inmates in lieu of offshoring. Federal Prison Industries pays inmates between $0.23/hr and $1.15/hr.
oRrK TIL there was 5 different species of human living on the planet as recently as 30000 years ago
QObM TIL there’s a number that is considered illegal. If you distribute or even possess this number, you can be prosecuted under the DMCA
L5Vv TIL that the National Archives keeps the Nixon White House tapes in a climate controlled vault with hopes that future technological developments could allow for restoration of 18 ½ minutes of missing audio that may have been deliberately erased