› added 9 years ago

7666

TIL that all modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps

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yVeNw TIL Sarah Rector was an African-American girl who became so rich she was declared white
0wwZR TIL before the electric telegraph, there was a system called the semaphore telegraph, where signals were communicated visually using a network of towers topped with pivoting blades and paddles that could be rearranged to indicate different symbols
waa8 TIL Bart Simpsons prank calls to Moe were actually based on real calls where two guys constantly pranked a bar owner and heavyweight boxer Louis “Red” Deutsch. The calls have been recorded.
9wXQ6 TIL Bagpipers played DURING battle on the front-lines, completely unarmed…
KO4Q9 TIL about an experiment of transferring a 700 MB file via three delivery methods to determine which was the fastest: A carrier pigeon with a microSD card, a car with a USB Stick, or a Telstra ADSL line. The pigeon won the race; the car came in second; the internet transfer did not finish.