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TIL that the buildings inside the Cheyenne Mountain Complex (where NORAD is located) rest on giant half-ton springs to absorb the shock of earthquakes and nuclear attacks.

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WkK8 TIL the coldest known place in the Universe is on Earth. Scientists have created condensates predicted by Einstein, that are cooled 810 trillionths of a degree F above absolute zero.
6E6mW TIL of Jack Unterweger, an Austrian serial killer. After murdering an 18-year-old girl, he got a life sentence, but became an author and campaigned to get himself released after just 15 years. He then became a reporter, reporting on his own crimes as he proceeded to kill at least 9 more people.
YV1G TIL Obayashi Corporation has announced that it plans to build an elevator into space by the year 2050. the elevator would reach 96,000km (59,652 miles) into space. All this, the company said, can be achieved with the use of carbon nanotechnology, which they think will available by 2030.
R7pga TIL John Hughes filmed "The Breakfast Club" and "Ferris Bueller's Day Off" concurrently to save time and money. He even used the same closed high school for the interior scenes, but built a second library in the gym for "Breakfast Club" as the original was too small.
awM4L TIL that in 2006 after a man shot 10 Amish children then committed suicide, the Amish went to the his family to offer them support. They also set up a charitable fund for his family and during the shooter's funeral they surrounded the family to provide them privacy from the media.