Word: heatproof
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Dates: during 1956-1956
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...high-speed airplane has to be cooled elaborately to keep the pilot alive. If the pilot is taken out, and the craft becomes an unmanned missile, its interior must still be cooled to keep its electronic brain from dying of heat prostration. So, decided General Electric Co., heatproof electronic components should prove useful in the missile business. This week, after years of work, it showed whole electronic assemblies working efficiently, though red-hot in a glowing electric furnace...
...some ways the heatproof tubes work better than ordinary tubes. When operating red-hot, they need no electrically heated filament; their cathodes are hot enough to give off plenty of electrons. The hot titanium inside them acts as a "getter," sweeping up any stray gases that might impair the vacuum...