What the fuck has NASA done to make your life awesome?

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Refine the technology that led to cordless medical instruments and other tools

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"When you're sucking up bits of dirt or crumbs around the house with a handheld cordless vacuum, you are actually using the same technology that astronauts used on the moon. Although Black & Decker had already invented the first battery-powered tools in 1961 [source: NASA], the NASA-related research helped refine the technology that led to lightweight, cordless medical instruments, hand-held vacuum cleaners and other tools." Courtesy of James C.

Source: http://curiosity.discovery.com/topic/physics-concepts-and-definitions/ten-nasa-inventions9.htm

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