MIT researchers are developing a "second skin" space suit lined with tiny coils that contract when switched on, tightening the garment around the body.
The coils (image below) in the "BioSuit" are made from shape-memory alloy that "remembers" its shape when bent and returns to its original form if heated.
“With conventional spacesuits, you’re essentially in a balloon of gas that’s providing you with the necessary one-third of an atmosphere [of pressure,] to keep you alive in the vacuum of space,” says Dava Newman, MIT professor of aeronautics and astronautics and engineering . “We want to achieve that same pressurization, but through mechanical counterpressure — applying the pressure directly to the skin, thus avoiding the gas pressure altogether. We combine passive elastics with active materials. … Ultimately, the big advantage is mobility, and a very lightweight suit for planetary exploration."
"Shrink-wrapping spacesuits" (MIT)
RIP Starship SN4 😭https://t.co/klPMtZHxjW pic.twitter.com/hrrElBXmSC — Chris B – NSF (@NASASpaceflight) May 29, 2020 SpaceX’s Starship SN4 prototype launch vehicle just exploded in a huge fireball during a static fire test in Boca Chica, Texas. While the Starship spacecraft is still early in development, the explosion doesn’t feel great leading up to the SpaceX-NASA historic […]
Astronaut David Scott re-created, in 1971 during the Apollo 15 mission, Galileo’s “falling bodies” experiment by dropping a hammer and feather on the moon at the same time. Simply, both fell at the same rate because there was no air resistance. screengrab via Wonders of Physics/YouTube (Digg)
On Tuesday evening, the night before NASA astronaut Bob Behnken was set to launch into orbit about a SpaceX Falcon 9 rocket and Crew Dragon capsule, he launched his own rocket from Florida’s Atlantic Coast.
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