› added 5 years ago

404

TIL what the C and CE buttons on the calculator stand for and do

Read more superuser.com

via reddit.com

QNKQL TIL that the de Bothezat helicopter was a quadcopter that first flew in 1922 and Thomas Edison called it the first successful helicopter.
bJLZ TIL a chemistry grad student accidentally synthesized the chemical MPTP and gave himself Parkinsonian Syndrome while trying to make opioids - accidentally advancing Parkinson’s research at his own expense
BgMBk TIL that the red lights on top of tall buildings in cities are called “aviation obstruction lighting,” and are used to help pilots of low-flying aircraft avoid collisions with otherwise hard-to-see structures.
6j48 TIL that India is the only country that uses m.r.p.(Maximum Retail Price) system to fix a maximum price for products and commodities and a product cannot be sold for a price above its m.r.p.
gM67X TIL the State of Hawaii has an "Aloha Spirit" law requiring business & government officials to act with kindness, harmoniousness, agreeability, humility, and patience