› added 11 months ago

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TIL that an object you were observing can disappear beyond the event horizon the point of no return around a black hole.

Read more nasa.gov

via reddit.com

W7GAL TIL that one of the biggest bestsellers of early modern Europe was the "Malleus Maleficarum" (the "Hammer of Witches")—a guidebook for prosecuting and killing witches. From 1400 to 1775, 100,000 people were prosecuted for witchcraft in Europe and America, and around 50,000 were executed in Europe.
QNEap TIL that James Cameron's "True Lies" was the first movie to have a $100 million budget
oErW TIL During WWII Unit 731 of Japan who were responsible for some of the most brutal experimentation on captives were secretly given immunity by the US in exchange for their data obtained through human experimentation.
8alrK TIL during filming of Gangs of New York, they built what was essentially a full scale complete replica of the Five Points in 1800's New York. According to the DVD commentary, George Lucas visited the set and explained that CGI effects would be much cheaper but Scorsese insisted on authenticity.
4rWo TIL the organisers of the 2012 London Olympics contacted The Who’s manager to ask if Keith Moon would play at the opening ceremony. He died in 1978.