› added 12 years ago

195

TIL NASA built a wind tunnel in 1965 that could reach speeds of Mach 50.

Read more history.nasa.gov

via reddit.com

G774 TIL that JK Rowling was turned down by 12 publishers and told to get a job before finaly finding a publisher for Harry Potter
X0eW8 TIL that the Castle Bravo nuclear test was 3x as powerful as the designers expected. This was due to unexpected fission of lithium-7, which greatly increased the yield of the other nuclear reactions.
D90p TIL McDonald’s employees web site advises returning holiday gifts to get out of debt, breaking food into smaller pieces to feel full, and not to complain because it raises stress. Oh, and it also advises to take at least two vacations a year.
gM6Bb TIL due to drummer Keith Moon's recklessness with money and destructive behavior, The Who's 1975 UK tour only netted them £47.35 (£390 in 2018 money).
R71Ga TIL that tin has ten natural isotopes, the most of any element