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The Magnus effect is an amazing phenomena: It can lift rotating objects up into the air, seemingly defeating gravity. Bruce Yeany brought out a cool video showing how to make flyers from paper cups... continue reading

posted by Mordhaus 2 years 11 months 3 weeks ago • 556 views • 6:40

The Ulfberht swords were made during a brief period of the MIddle Ages, roughly around 200 years. The quality of the steel and forging techniques were not rediscovered in Europe until the industrial age... continue reading

posted by Mordhaus 3 years 1 month 3 weeks ago • 462 views • 19:15


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