New applications of high vacuum are making industrial history.
They have already:
> Dehydrated meat at low temperatures so that it keeps all its vitamins and flavor (which previous dehydrating methods failed to do).
> Promised speedy production of penicillin by dehydrating it much faster than it has ever been done before.
> Resulted in a coating for glass lenses that greatly increases visibility (by reducing light reflection). In a submarine periscope, for example, it improves vision up to 200%.
> Made possible the direct reduction of magnesium ore to pure magnesium, without the complicated chemical...
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