Word: cobalt
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Died. Colonel Roscoe Turner, 74, early speed flyer and Hollywood stunt man; of bone cancer; in Indianapolis. Turner cut an unforgettable figure striding around town in scarlet helmet, cobalt blue tunic and fawn cavalry pants, with his pet lion Gilmore tugging on a leash. Turner's air stunts were no less electrifying; he performed strut-wrenching maneuvers in such films as Hell's Angels and Flight at Midnight, was a champion at the hair-raising sport of low-level pylon racing at speeds of up to 300 m.p.h., and in 1929 set a Los Angeles-to-New York...
...voltage insulators of unmatched purity The oven could easily fuse other highly heat-resistant materials: quartz crystals for radio transmitters, corundum for industrial grinding stones and zircon parts for nuclear reactors. It could also be used in experiments to develop new space-age alloys, such as special tungsten or cobalt steels, and even materials to withstand the searing heat of a nuclear blast...
...that reach the earth's surface (most are burned up by the atmosphere), they estimate that meteors have deposited 450 billion tons of iron, 30 billion tons of nickel, 10 billion tons of phosphorous, 9 billion tons of carbon, 6 billion tons of copper and 3 billion tons of cobalt on or near the lunar surface. If their figures are correct, the meteor fall would also have contributed 300 billion tons of carbonaceous chondrites, containing about 30 billion tons of water chemically locked in crystals with other compounds...
...transitional temperature of these structures and of all Nitinol alloys can be "set" anywhere from - 320°F. to 330°F., Buehler explains, either by varying the percentages of nickel and titanium or by substituting cobalt for some or all of the nickel. Instead of going to the trouble of assembling structures under the sea, for example, Buehler suggests prefabricating them out of Nitinol set below seawater temperatures, cooling and compressing them and then airdropping them-still cooled -into the water. Raised above their transitional temperature by the water, they would unfold and remain rigid on the ocean bottom...
Popping Fuses. The ground rules called for the two cars, heading in opposite directions, to follow the same route, which would have a total of 53 stations where their batteries could be recharged. The floor of Caltech's minibus was covered with 20 lead-cobalt batteries, on top of which were pads where off-duty drivers slept. M.I.T.'s team borrowed a set of $20,000 nickel-cadmium batteries. Characteristically, the engineers used linear equations to work out a handicap system...