Vacuum (classical)/Definition: Difference between revisions
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imported>John R. Brews (New page: <noinclude>{{Subpages}}</noinclude> "In classical physics, a perfect vacuum (or free space) is completely empty of matter having a gaseous pressure of exactly zero, but zero pressure canno...) |
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Revision as of 13:22, 3 December 2010
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"In classical physics, a perfect vacuum (or free space) is completely empty of matter having a gaseous pressure of exactly zero, but zero pressure cannot be attained in practice, making this situation an idealization useful as a reference state, but not realizable. "