› added 2 months ago

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TIL about the Mobius Arch, a structure existing in the Alabama Hills, filming location for Iron Man the movie. Iron Man would later the Mobius Strip in discovering time travel

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via reddit.com

BrZox TIL that Chlorine Trifluoride was so dangerous that the Nazis refused to use it. Due to unstableness, the chemical was unfit for weaponisation. The chemical burned at over 2000° C and was able to melt bunkers, tanks, and burn entire cities.
AEv4 TIL that Mark Zuckerberg, billionaire and CEO of Facebook, puts tape over his webcam. FBI director James Comey also tapes over his webcam and the American digital rights group EFF sells webcam stickers.
R7QE4 TIL that four high-school students in the ‘70s are the reason we no longer have pay toilets in America. They created an organization called CEPTIA, and were able to successfully lobby against the issue. 8 years later, pay toilets were all but nonexistent throughout the US.
GJYG TIL The Hanson brothers make a craft beer named Mmmhops.
oR5Jr TIL about hindsight bias—the tendency to believe, after an event, that we could have predicted its outcome with certainty. It also leads people to judge historical figures based on prevailing contemporary opinions.