› added 5 years ago

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TIL Elton John is Eminem’s A.A. sponsor.

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via reddit.com

PYa4n TIL that in the early days of aerial navigation, pilots followed a system of giant concrete arrows on the ground to reach their destination
9wQXG TIL something that is RECURRING happens over and over again, at regular intervals. In contrast, something that is REOCCURRING is simply happening again but not always repeatedly.
VBpv4 TIL that local time changes of as little as 2 minutes between cities was common before the adoption of standardized time zones, so railroad companies set up "comparative time zone" tables using Washington DC at noon as a benchmark for train scheduling.
yQvnV TIL: A military psychology tactic in late WW2 was to attach whistles onto bombs. As the bombs fell, they made the terrifying decrescendo whistling sound we think of today. The same sound is often dubbed over every type of bomb in movies and cartoons, despite only being used on a few specific bombs.
nwWo TIL that during the planning for NASA’s moon landings of the 1960s, it was suggested that the United Nations flag be used instead of the U.S. flag