Word: heatedly
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Dates: during 1950-1959
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From the back of the hall, at one of those meetings of parents where nothing new is said, a figure rises, strides forward and speaks his piece with fluent impudence. Its net: the schools are in a mess, and the professional educators are in a dead-heat disagreement about why, and they are too entrenched for their judgment to be trusted anyway; public schools ought to be run as the public wants, and it is long past time the parents took over and did something about...
...surface of the sphere is made of shiny aluminum covered with a thin coat of silicon monoxide. This material is transparent to visible light from the sun, which it permits the polished aluminum to reflect back into space. But it looks black to the long infra-red (heat) waves. Since black surfaces radiate well, it permits the satellite to get rid of its internal heat by radiation. The system seems to be working well. Both transmitters have reported that the temperature inside Vanguard I is staying at a reasonable level, certainly below the point where the germanium transistors...
Bell for Beauty. Stone fires right back at his critics' glass facades: "Let's face it. Large glass areas create serious problems. Interiors are hard to heat in winter and to cool in summer. The problem of glare is continuous. A glass house is lovely if you own the view. But hell, otherwise you're all displayed to your neighbors in your pajamas. The grille is a basic architectural principle, as sound an idea as two steel columns with glass between them...
...leaving a mat of silica fibers arranged so that they cannot be easily blown away. At 3,000° F. (about the melting point of iron), they begin to soften, but melted silica is sticky, viscous stuff that clings tight until it turns to vapor. The vaporizing process draws heat from the remaining Astrolite and tends to keep it cool...
Astrolite cannot resist continuous high temperature (the plastic binder melts at about 450° F.), but it is remarkably successful against short attacks of extreme heat. It is used in 20 types of missiles, sometimes in the nose cones, sometimes in other hot spots such as the nozzles of rocket motors. The Thompson company says that a laminated layer of Astro-lite two-tenths of an inch thick can protect the nose of an IRBM. For an ICBM, which enters the atmosphere much faster, four inches may be needed. This thickness weighs, says Thompson, only one-fifteenth as much...