Word: vacuumers
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...turn the moon's lack of atmosphere into an asset. Manufacturers of electronic tubes, he said, go to pains to pump air out of them so that the air will not interfere with the electrons. On the moon this is not necessary. The whole moon has a better vacuum than any manmade vacuum tube...
...true of most plays that some, if not all, of the characters undergo a big change by the time the curtain is rung down. Here, curiously, every character is just the same at the end of the play as at the start. Yet this does not yield a vacuum. Events do transpire; and the essential elements of conflict and suspense are not lacking...
Battle for Brains. With Lehman-raised cash, Thornton and associates bought Litton, then a small microwave-tube outfit that had supplied Hughes with its best magnetrons, i.e., vacuum tubes that emit radar impulses. During the next 15 months, Litton used stock and cash to pick up half a dozen little-known firms making computers, printed circuits, servomechanisms, communications and navigation equipment. When Litton bought Digital Controls Systems Inc. in 1954, it also got brilliant Research Scientist George Steele; Steele heads Litton's work on lightweight computers that make up to 15,000 calculations per second for a plane...
...they could be made to whirl progressively faster in a closed chamber, reaching great speed and high voltages. They could then smash atoms and transmute elements. He first demonstrated this phenomenon with a crude but spectacular Rube Goldbergish kit: a kitchen chair, clothes tree, 4-in. electromagnet, pie-sized vacuum chamber made of glass, brass and sealing wax, all put together for $25. When he hooked this odd gizmo up to an ordinary electric socket, atoms whirled around faster than those emitted by radium...
...test's purpose was to find what happens when a nuclear warhead explodes in a virtual vacuum above the bulk of the atmosphere. The behavior of a nuclear explosion near sea level is known precisely. The nuclear fireball expands very fast at first, but both its temperature and pressure fall as it gets bigger. When its pressure equals that of the air, the ball stops expanding (for a megaton explosion, at a diameter of about one mile). The air also absorbs gamma and ultraviolet rays, confines radioactive particles to a comparatively small cloud...