› added 7 years ago

200

TIL you only need 40 digits of pi to calculate the circumference of the observable universe to a margin of error of 1 hydrogen atom

Read more jpl.nasa.gov

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p89p TIL the term “suck it” was used almost twice as often in the 1650 as it is now
QJLVE TIL that there were over 158,962,555,217,826,360,000 combinations to the Enigma Machine, regarding the codes it could use for messages. Yet, Alan Turing's Bombe machine, through just trial and error, was able to decode messages sent by Germans in 20 minutes.
gEyb TIL Lord Byron was not allowed to keep his pet dog while he was at Trinity College. He kept a pet bear instead as there were no rules against having one.
8ab44 TIL that there are 10^10^10^122 number of parallel universes with different laws of physics, different dimensions or even with different colours which we can't see.
ANaxx TIL: Napoleon Bonaparte refused to open his mail for three weeks. By that time, most of the issues raised in the letters had resolved themselves and no longer required his attention.