Word: oxygenated
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Dates: during 1960-1969
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...wash his blood free of nitrogen that might bubble up and give him a fatal case of the bends, Leonov breathed pure oxygen for a while before he entered the lock. Now, enclosed in his space suit, he was still getting pure oxygen at just about the pressure that he would breathe it on earth. As air escaped from the lock, the vacuum of space reached into it like a monster's claw. The oxygen in Leonov's suit tried to expand, and the suit inflated like a balloon. The cosmonaut must have listened anxiously for the hissing...
...Umbilical. Much more interesting than the air lock, though, was Leonov's space suit. One Russian commentator called it "autonomous," which means that it is independent of the spaceship except for a simple tether. The pictures do show cylinders on Leonov's back that probably held oxygen, but the cable attaching him to the spaceship was thick enough to contain a good-sized oxygen tube. It may be an umbilical cord supplying oxygen from the spaceship's tanks, besides carrying wires for communication and telemetering. The tube could also carry away carbon dioxide from Leonov...
Limberer for Lava. A suit designed for use in weightless space can include several hundred pounds of instruments, oxygen, propellant, cooling agent, tools and other supplies. The wearer will not feel the weight, only the inertial mass. For some missions his less and torso will need little flexibility; they can stay stiff while the man works with his arms and moves around with his rocket thrusters...
...space-suit plans call for exchangeable equipment: a massive propulsive backpack for use in weightless space, and lighter suits emphasizing oxygen and cooling apparatus for exploring the moon. These suits have not reached the rigorous testing stage, in which men will wear them in a vacuum chamber under the glare of simulated space radiation. Less ambitious suits for emerging from Gemini capsules are farther advanced. Like the suit worn by Leonov. they will carry their own oxygen and cooling equipment and also trail an umbilical cord as an extra safety measure. They are designed to support life in a vacuum...
...spidery wires and connect the delicate electronic mechanisms that will control the bird. Capsule specialists poise their instrument-packed pod atop the rocket to check it out. If all goes well, fuel specialists attach the plumbing that will fill the projectile's maw with explosive cargoes of liquid oxygen and kerosene, or intractable liquid hydrogen...