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TIL that when helicopters kick up sand while they are spinning blades, the sand creates a static discharge from the friction of the rotor blades spinning. This generates a bright light surrounding the blades as they spin.

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Mewmb TIL that the difference between freestone and clingstone peaches is literally how much the fruit’s flesh clings to the pit (stone). With freestone peaches, the fruit easily pulls away from the pit, while clingstone peach flesh stubbornly clings to the pit.
VBb8 TIL the Japanese currency is the ‘en’. It was Westerners who mistook it as yen.
a8MlZ TIL Kassandra in Greek mythology was a Trojan priestess dedicated and cursed by god Apollo to utter true prophecies but never to be believed. Her name is used as a rhetorical device to indicate a person whose accurate prophecies, generally of impending disaster, are not believed by anyone.
WgNL TIL that PT Barnum, frustrated with how long people lingered in his museum’s exhibits, posted large signs throughout that said “This Way to the Egress”. He knew most of the visitors would follow them, not knowing that “Egress” meant “exit”. They couldn’t re-enter without paying the entry fee again.
dexE TIL nicotine withdrawals have a negative impact on time perception which causes one to feel as if time passes very slowly when quitting the use of tobacco.