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99percentinvisible.org
b9a89
TIL the forerunner of the modern bicycle was invented to overcome a horse shortage after a volcanic eruption caused widespread famine, leaving Europe's horses to starve or be slaughtered for meat.
kOmpm
TIL that the on and off buttons were from binary numbering system where “0” is off and “1” is on. So to create the universal power symbol, “0” and “1” were combined to make the power button symbol.
5Y6EB
TIL that the swiss have enough bunkers to house the entire countries population fake houses with artillery in them, and bridges that are rigged to blow.