› added 9 years ago

335

TIL that the Hope diamond glows a brilliant red for several minutes after being exposed to UV light.

Read more mineralsciences.si.edu

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R7YY7 TIL Disney theme parks use various techniques to make standing in long lines bearable, such as building walls around twisting lines, thus keeping people from knowing how long the line actually is, inflating wait times, and making patrons watch holograms that give context to the rides.
X9X6 TIL Master Chief is 6'10" without armour and 7'2" with armour.
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