A thousand years may scare form a state. An hour may lay it in ruins.
If you're trying to get someone who's sick with a fever off of a submarine and it's cold and raining outside, the only way in and out of a submarine, generally, is through a fairly narrow hatch.
Leon Theremin's original designs are elegant, ingenious and effective. As electronics goes, the theremin is very simple. But there are so many subtleties hidden in the details of the design. It's like a great sonnet, or a painting, or a speech, that is perfectly done on more than one level.
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