Vacuum
Vacuum is a term that describes conditions where the pressure is lower than that of the atmosphere. A sealed container is said to be "under vacuum" in this case whereas it is "pressurized" when...
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Vacuum
A vacuum is defined as a space devoid of matter.
Atomism, a ancient Greek school of philosophy which flourished about 400 B.C., held that a vacuum was an essential part of nature in which atoms...
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Vacuum
Vacuum