Word: oxygenate
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...also helped give some U-boats greater speed at sharp-angle crash-diving. Such German submarines, the brain children of Vice Admiral Karl Doenitz (TIME, Feb. 2), are now powered with a single, modified diesel engine that burns oil in surface cruising and a mixture of hydrogen and oxygen when submerged. Other submarines use oil-burning diesels on the surface, electric motors under water...
China Will Need. But the military supply situation is desperate. Lend-Lease stuff from the U.S. is piled up in India. Planes flying over the Himalayas, at heights where ice forms on the wings and pilots need oxygen tanks, cannot carry big enough pay loads to dent the Indian piles. Moreover, planes are often grounded and are far too few. If there is anything more than a political gesture behind the sending of U.S. transports (TIME, June 22), they will have to appear in far greater quantities than at present...
...ignite from the heat of the welder's electric arc just as it does in magnesium incendiary bombs. But after two years of research, engineers of Northrop Aircraft Inc. discovered that magnesium can safely be arc-welded if the hot metal is blanketed with helium to exclude atmospheric oxygen. The helium also cools the molten metal, acts as a metal-cleaning flux...
...Nazis had overrun Holland and France, bottled up Switzerland -the countries whence the U.S. formerly imported nearly all its synthetic jewels (as many as 100,000,000 a year). Only one company, Union Carbide & Carbon, volunteered to make synthetics. It alone produced the great volumes of hydrogen and oxygen which are essential in making them...
...spray gun is a fist-fitting gadget which trails three rubber hoses and a ⅛-in. wire-the charge. Two of the hoses feed acetylene and oxygen (as in welding) to a 6,300° F. flame, melting the wire. From the third hose, compressed air blows the hot-metal droplets in a molten mist that coats a surface with a smooth film as tough as a weld...