Word: muffler
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...access to water, as a medium of nourishment and energy exchange, and to oxygen or carbon dioxide for metabolism. An atmosphere would also be desirable, 1) as a storehouse of oxygen and carbon dioxide; 2) as a shield against the ultraviolet radiation of the parent sun; 3) as a muffler against sharp day & night temperature changes. Any conceivable kind of living cell would be killed or paralyzed by extreme cold...
There can be no life on Mercury or on the earth's moon, says Astronomer Jones. These bodies are too small to have held their atmospheres. The telescope and spectroscope both clearly show the moon to be a dead world, without air or water. Having no atmospheric muffler, the moon swings through a temperature change of several hundred degrees between the lunar day and night. Mercury, innermost of the planets, keeps one face turned always toward the sun. That side is extremely hot-about 750°-and the perpetually dark side must be correspondingly cold...
...clanged. Mr. Dean then dropped a piece of another metal. There was a faint thump. This "noiseless" metal, as strong and elastic as mild steel, is a heat-treated alloy of copper and manganese. "This," said Metallurgist Dean, "opens up many new possibilities-chatterless spring suspensions, noiseless gears, a muffler for a whole host of bothersome industrial sounds...
...friends he is a sweet and lovable character. His absentmindedness is fabulous. He sometimes shows up a week late for appointments, goes to the wrong room to meet his classes, has been known to wander into ladies' washrooms. He often goes out into the snow without rubbers or muffler, but rarely catches cold. Despite his absentmindedness, he is scrupulous about fulfilling obligations, never breaks a promise. He used to make it a rule never to read manuscripts submitted to him for criticism by budding philosophers. But applicants learned how to get around his rule: they brought manuscripts...
...frame garage and the top of a Pontiac coupe therein, making a neat hole in the cushion of the car to the right of the driver's seat. It also broke the floor board beneath the seat, and made a slight dent in the car's muffler. The meteorite itself, however, did not hit the ground, as it had become so entangled in the springs of the cushion that it was snapped back up into the cushion by the recoil of the springs...