The Laxey Wheel: World’s Largest Working Waterwheel
(via Amusing Planet) The Laxey Wheel is a large waterwheel located in the village of Laxey in the Isle of
Read more(via Amusing Planet) The Laxey Wheel is a large waterwheel located in the village of Laxey in the Isle of
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Read more(via Smithsonian) Open-heart procedures evolved rapidly once Mayo Clinic surgeon John Kirklin made his improvements to an earlier invention
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Read more(via Smithsonian) Francis Rogallo’s invention would have brought returning space vehicles in for a runway landing, instead of an ocean
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Read more(via Smithsonian) Two decades before the first American woman flew to space, a group of female cosmonauts trained in Star
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