› added 9 years ago

104

TIL: people used to send telegrams with the word “stop” instead of a period because punctuation cost extra, but the word stop was free.

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9Ym8D TIL that 75% of exterior fire escapes in New York City do not meet safety standards and are all at least 50 years old
p8y6e TIL: There is a unit of sound called a "bel". A decibel (dB) is 1/10 of it.
x6Kd1 TIL that the new MacBook trackpads don't physically make a click sound or move down. Rather, it's computer-generated.
LQBKQ TIL A class-action lawsuit claims that people who enjoy the night sky with telescopes have been consistently overcharged. The amateur astronomy market in the US is 80% controlled by two companies and the telescope global market is predicted to grow to $294 million annually by 2025
R7bka TIL rodents living outside of captivity still enjoy running in wheels because it gives them a self-rewarding "runner's high"