It is no secret that spacesuits are heavy. The full spacesuit worn on the space shuttle, including life support system, clocked in at 310 pounds. At the same time, these suits are bulky, and hard to move around in. So researchers are looking for alternatives—skinnier suits that would weigh less, be more maneuverable, and maybe even have the bonus of helping to support the muscles and skeletal system, which can take a beating during prolonged periods of weightlessness
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