Word: glycol
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UNTIL the great cyclamate furor bubbled over this fall, few Americans paid much heed to the minute lettering on their cakes and candy bars, diet drinks and instant dinners. Even a magnifying glass was little help in explaining those obscure polysyllables: propylene glycol, calcium silicate, butylated hydroxyanisole, sorbitan monostearate, methylparaben. Today, the portmanteau word for such substances is "additives"-which translates into myriad chemicals that have made even bread a laboratory product and the cheese spread to put on it a test-tube concoction...
...January fire. Aluminum plumbing which melted at 1080° F. has been replaced by stainless steel. Brazed joints that withstand temperatures approaching 1,600° F. have been substituted for soldered joints that melt at 360° F. Coolant pipelines, which service electronic components and can release flammable glycol when ruptured, have been "armor-plated" at joints with high-strength epoxy. Should the joints come open, the epoxy serves as a back-up seal. Along Apollo's 15 miles of electrical wiring, circuit-breaker panels have been fireproofed with twelve coats of Ladicote paint, newly developed by North American...
...than cattle but much quicker to breed, he inseminated thousands of does with sperm that had been allowed to settle under varying conditions. His early results were not promising, but after three years of experimentation he hit on a winning combination. He mixed rabbit sperm with egg yolk and glycol, and stored the solution for twelve hours in a refrigerator at slightly above the freezing point to keep the sperm from swimming and allow them to separate by sedimentation. Then he used the sample to inseminate 176 rabbits. Those that got the upper portion produced 77.4% male offspring, while those...
When autumn temperatures fall toward the freezing point, wise motorists put antifreeze in their radiators. Many wise insects do much the same thing, reports Biochemist Fred Smith of the University of Minnesota. What's more, their antifreeze is glycerol (glycerin), a chemical that closely resembles the ethylene glycol that is the basis for many antifreeze brands...
...Presbyterian Medical Center manned a demonstration booth to show general practitioners how easily they can now do just this in their own offices-with gadgets that look like babies' croup kettles. They generate a "superheated Aerosol," a mist containing minute droplets of 15% salt solution and 20% propylene glycol (a wetting agent) at 125° F. The patient inhales this hot fog for half an hour. The salt solution draws out fluid from bronchial cells and from the myriad tiny air-exchange cells (alveoli) in his lungs. The wetting agent helps bring out more fluid that contains cells...