› added 3 years ago

174

TIL: Excel spreadsheet can handle 1,048,576 rows and 16,384 columns at a time.

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KO5AE TIL All speakers can work as microphones and vice-versa; if you plug your headphones into a mic input, you can speak into them and use them as a microphone. The inverse is true as well.
JYaOB TIL The WD-40 formula is not patented. If it were, the makers would have to disclose its ingredients, making it easier to copy.
P10pg TIL: Spilling as little as ONE gallon of diesel fuel/home heating oil or motor oil can contaminate up-to one MILLION gallons of formerly-clean drinking water!
gM58L TIL That Jack Parsons, one of the minds behind rocket engine, was a Thelemite occultist- A. Crowley's cult- practiced sex magic, had romance with Sara N. Hollister, which later with his friend L. R. Hubbard starts Scientology, and the two ruin his reputation. He died in explotion in his house at 37
JYev TIL research has found that without artificial light like lamps and computer screens , humans fall asleep soon after it’s dark, wake up for an hour around midnight (which is usually used for having sex), and return to sleep until morning