Word: vapor
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Dates: during 1940-1949
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...doldrums," a generally calm region in the equatorial Atlantic between the Cape Verde Islands and the West Indies, waves of heated air molecules begin to rise from the warm sea. As cooler molecules rush in from the sides to take their place, and the rising air, saturated with ocean vapor, cools off in the upper atmosphere, the air currents move faster & faster. Soon the growing whirlwind, given a counterclockwise spiraling motion by the earth's rotation (it is clockwise in the Southern hemisphere), resembles a vast phonograph record, with a hollow core, the vortex or "eye" of the storm...
...magnificent close-up of the landing gear as it retracts, flattening like the feet of a bird in flight, and disclosing the countryside. Technicolor comes fully into its own when the Belle and the planes of her formation climb steadily over the North Sea, striating the sky with vapor trails, and when (over Germany) the flak begins to pop its thick corn. Shots which are merely powerful in black-&-white become overpoweringly real and immediate in Technicolor. To the layman the actual bombing, for all its excitement, is just an uncommunicative, tremendous tower of smudge. And the trip home, through...
They then tried the vapor on eleven cases of infected amputation stumps. Freshly ground onion (potency is lost in about 15 minutes) was applied to the patient so that the onions did not touch the wound. The vapor was held in by layers of gauze. Healing was complete in a month or so, in all but one case...
Morse's group solved this problem by making large, high-powered versions of a diffusion pump invented by General Electric's Physicist Irving Langmuir. The diffusion pump works by blowing a strong jet of mercury or oil vapor into the neck of the vessel to be emptied. The vapor stream traps air molecules and sweeps them out through a series of locks. With this equipment, Morse got down to a working vacuum of one micron (a thousandth of a millimeter...
...Forgery. Cooper Hewitt's favorite discovery was the transformation of polyphase alternating current to direct current through the mercury vapor transformer. He decided suddenly, circa 1910, that "if a path of electric current were established across a tube which had a single negative electrode and multiple positive electrodes, and the positive electrodes were each connected with a different phase of the alternating current, the positive impulses would be conducted successively to the negative electrode which was already in operation with its surface resistance broken down, but the negative impulse could not be transferred to the positive electrode because here...