› added 11 years ago

539

TIL aircraft windows and doors are round to prevent metal fatigue. As the cabin pressurizes, it puts extreme pressure on the airframe, which is concentrated at right angles. The original De Havilland Comet broke apart multiple times in the 1950s because it had square windows.

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kd5B TIL that kids of dry cleaners are 3-½ times more likely to develop schizophrenia, possibly due to prolonged exposure to toxic chemicals.
6EMaW TIL of Zeer Pot, a refrigeration tool that doesn't require electricity extending usable life of corps to weeks.
0deOR TIL about the Battle of Brisbane: American and Australian forces clashed in the capital city of Queensland in 1942, resulting in one death and multiple injuries. It was never reported in the US, and only barely in Australia
dJV9 TIL Otis Redding’s “(Sittin’ On) The Dock of the Bay” was recorded just two days before Redding died in a plane crash. The iconic whistling at the end of the track was the result of Redding forgetting the lyrics he had written for that part.
mwbR TIL The world will run out of Helium possibly within 25-30yrs, which would be disastrous to the Medical Industry just to start.