› added 2 years ago

78

TIL drying hands is as important as washing them

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via reddit.com

jNkZv TIL in WW2 escape compasses for the RAF were sometimes hidden by being made to look like a button (unscrewing the top revealed the small compass). When the Germans found out, they changed to a reverse thread, so trying to unscrew the button the usual way tightened it instead, keeping it hidden.
16BaV TIL that in Starship Troopers (1997) the crew used over 300,000 blank rounds. Thought to be a record at the time and due the following years of CGI, the record probably has never been broken.
VMjBD TIL that Henry Ford had initially lead the movement of shorter working weeks from the entrepreneurial side of things. He (counterintuitively at the time) showed that shorter working hours led to higher productivity.
OG8o6 TIL Tumbleweed, though iconic in westerns, is not native to North America
yV0vw TIL human-made infrastructure etc. outweighs all life on Earth biocubes.net