Word: exhaustion
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Previously Kirtley F. Mather, professor of Geology, had declared that the discs were "assuredly man-made." From what he termed "the meagre, confused, and conflicting data at hand." Professor Mather said that the probable cause was the exhaust of jet-propelled planes...
Growls & Whines. Pulverized rubber, burned off the tires by the rough brick track, soon painted a black film on drivers' faces. Some drivers carried powder-puffs, some chamois, to wipe smudged goggles. The cars bounced down the rough straightaway, giving off pungent exhaust fumes; the vibration was hard on drivers' wrists and backs. But the awareness that each turn might mean disaster kept them tense and alert. The basso profundo of a Mercedes growled sullenly out below the whine of Maser and Offenhauser engines as the pack circled the 2½-mile oval...
Only a small part of a plane's noise comes from the engine exhaust. Up to 95% comes from the propeller, whose fast-moving tips stir up racketing sound waves. To eliminate the waves, NACA designed a five-bladed prop, which looks like a five-petaled flower. It gives plenty of push when driven (through reduction gears) at a comparatively slow 1,000 r.p.m. The broad, leisurely blades do their work in near silence...
...bruised New Yorker, the Fifth Avenue bus has represented the apogee of progress, the point beyond which even Western Civilization could not go. But last week they knew better. Open-topped buses (from which it was sometimes possible to catch a few breaths of air only mildly tinctured with exhaust fumes) were being removed from service. Other double-deckers were being made into one-man conveyances-drivers would have to make change as well as buck traffic, and could be expected to get more apoplectic. And new, elongated single-decked buses were being introduced, thus forcing passengers to elbow harder...
...Democratic influence dissipated in the state, the nomination virtually assured Jenner a Senate seat. But Indiana Republicans almost forgot to talk about him, fell to speculating on what gruff, stocky Governor Gates might do when he got behind the wheel himself. Cried those who had breathed too heavily of exhaust fumes: "Gates for Vice President...