› added 10 years ago

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TIL that the pledge of allegiance in schools was conceived by a businessman who wanted to sell flags.

Read more historyofthepledge.com

via reddit.com

95YD TIL The SR-71 did more than just take pictures. It could aim its radar 45 degrees to the side, map the terrain like side scan sonar… intercept enemy comm and radar signals, record its entire flight path with infrared cameras… to prove to countries that it didnt violate their airspace.
4XV7g TIL contrary to popular belief, canes aren't meant to be used on the same side as your injury. While it seems logical to want to support the injured leg, you are actually meant to walk with the cane opposite your bad leg as to lean your weight away from the injury (rather than against) the bad leg.
ovMo TIL there is a U.S. Marine post in Afghanistan called “ManBearPig.”
4X8vg TIL a small town in the Appalachian Mountains, an area usually portrayed as being poor and ignorant in media, elected an all-female town council in 1948 that organized the town’s garbage disposal system and fire department, as well as many other positive changes
rNa81 TIL Ryan from the OC (Ben McKenzie) majored in foreign affairs and economics at university and is an outspoken critic of cryptocurrency. He is set to publish a book exposing the tactics used by major cryptocurrencies and exploring the underlying conditions that gave rise to crypto.