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Essay Galaxy - Microwaves
Microwaves
You might remember the heroic role that newly-invented radar
played in the Second World War. People hailed it then as "Our Miracle
But even in its earliest years, as it was helping win the war, radar
proved to be more than an expert enemy locator. Radar technicians,
doodling away in their idle moments, found that they could focus a radar
beam on a marshmallow and toast it. They also popped popcorn with it.
Such was the beginning of microwave cooking. The very same energy that
warned the British of the German Luftwaffe invasion and that policemen
employ to pinch speeding motorists, is what many of us now have in our
kitchens. It's the same as what carries long distance phone calls and
cablevision.
Hitler's army had its own version of radar, using radio waves. But
the trouble with radio waves....
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Number Of Pages: 6 |
Number Of Words: 1384 |
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