Word: oxygenate
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...Junkyard. As a flotilla of rescue ships hurried to the scene, 15 miles southeast of Key West, Sea-Link's crewmen were told to exert themselves as little as possible in order to conserve oxygen. The crew could do little else. At the pressure that exists at a depth of 360 ft. (162 lbs. per sq. in.), a free swim to the surface was considered far too risky. Trapped along with Menzies in Sea-Link's forward observation compartment-a helicopter-like bubble made of plastic-was Marine Biologist Robert Meek, 27. The younger Link and Veteran Diver...
...their work illuminated only by lights in the hatch area. After they assembled five sections of tubing into a 25-ft.-long extension pole and attached it to a 2-ft.-long cutting tool similar to pruning shears, they untangled the long, snaking umbilical cords that provided them with oxygen and a communications link to Skylab and Mission Control. Then, as the sun reappeared, they began to make their way through the maze of trusses on Skylab's telescope mount, circled part way around the outside of the cylindrical airlock module and finally arrived within pole's reach...
...heating and processing must take place in expensive aboveground plants. But Physicist Glenn C. Werth and his colleagues at the AEC's Lawrence Livermore Laboratory in California have proposed a less expensive alternative. They believe that it may be possible to create methane in the earth by forcing oxygen and water into fractures created with the help of explosives in coal seams. The cost, they figure, would be between 400 and 600 per 1,000 cu. ft., less than the price of liquefied natural gas now delivered from overseas by tanker...
...lightest and most abundant element in the universe, which can readily be produced by electrolysis of water molecules. Highly combustible, it has already proved its importance as a space-age fuel: it was a reaction of liquid hydrogen (at a temperature of less than - 350° F.) and liquid oxygen that gave NASA's big Saturn 5 rockets their final boost to the moon. Properly handled, hydrogen might be burned to heat homes, generate electricity or power cars; the only major waste product is water. A more direct use of hydrogen could be in efficient fuel cells -battery-like...
...Salyut 1 for almost 24 days-longer than anyone had previously spent in space. But the three crewmen were killed on their way back to earth; the hatch of their Soyuz spacecraft leaked-perhaps jolted by the retrorocket firing prior to re-entry-resulting in a fatal loss of oxygen. Since then Soviet engineers have redesigned the hatch to prevent a recurrence of the tragedy. As an added precaution, the cosmonauts will also wear their pressure suits on the return flight, something the earlier crew had not done...