› added 8 years ago

372

TIL There are 33 million more men than Women in China

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LQmRr TIL that cordless, battery-operated power tools were originally created by Black & Decker for NASA so astronauts could perform maintenance on spacecraft, and would become available to the public in 1978
A4Yl TIL Michael Jackson got $2 for every Thriller album sold. Which was one of the highest royalty rates of that time.
BgVgb TIL The Persians had ancient refrigerators called "yakhchals" to preserve the ice and keep it cold underground until the summer, the yakhchal also had a ventilation system that allowed the cold air to enter and the warm air to escape, keeping the temperature inside low.
kJodg TIL The films used for the Hasselblad cameras taken to the Moon were prepackaged in light-tight magazines that snapped onto the camera body. The Apollo 11 moonwalk made do with a single magazine without changing films outside at all
oMrK TIL that in 1849, Henry “Box” Brown, a 33 year-old slave born in slavery, mailed himself to freedom in a 3'x2'x2'8" (91x61x81cm) wooden crate. To get a day off, he burned his hand to the bone with sulfuric acid. Brown paid 86$ to be shipped from Richmond, Virginia to Philadelphia in 27 hours.