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TIL Modern LED light bulbs use only a dollar in electricity per year

Read more energy.gov

via reddit.com

dDjQK TIL in 1963 Hugh Hefner was arrested for promoting obscene literature after he published an issue of Playboy featuring nude shots of Jayne Mansfield in bed with a man present. The case went to trial and resulted in a hung jury.
Z8Lwv TIL that Philip of Macedon threatened to enslave and destroy the population and city of Sparta if he won the war. The Spartans replied to him with a single word: "If".
d84Ar TIL that while not enforceable, the U.S. has a flag code which advises Americans on proper flag usage. Examples include, No marking or changing the flag's colors, It must be lowered at night unless properly lit, a flag may not be used on a float without a pole, and no flag apparel of any sort.
PY9Ne TIL that, because of similar names, Slovenian and Slovakian staff meets once a months to exchange wrong delivered mail.
NvpM TIL that K2, with a 25% death rate, is more dangerous to climb than Mt. Everest, where only about 3% of climbers are killed.