NASA makes significant use of Velcro. Each space shuttle has ten thousand inches of a special Velcro made of Teflon loops, polyester hooks, and glass backing. Velcro is used everywhere, from the astronauts' suits, to anchoring equipment. In the near weightless conditions in orbit, Velcro is used to temporarily hold objects and keep them from floating away. A Velcro patch is used inside astronauts' helmets where it serves as a nose scratcher. During mealtimes astronauts use trays that attach to their thighs using spring and Velcro fasteners.
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