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Old 09-02-2011, 10:37 AM   #54
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Originally Posted by Elizabeth View Post
Wiki sez:
""Suction is the flow of a fluid into a partial vacuum, or region of low pressure. The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area. Suction is popularly thought of as an attractive effect, which is incorrect since vacuums do not innately attract matter. Dust being "sucked" into a vacuum cleaner is actually being pushed in by the higher pressure air on the outside of the cleaner.

The higher pressure of the surrounding fluid can push matter into a vacuum but a vacuum cannot attract matter""

it ain't rocket science. And yeah cut any and all non fanboy postings. Reads way better and keeps the fanboys from whimpering..
There it is…. the requisite Wikipedia quote!

I deplore the use of Wikipedia as a source. Deplore it I say!!!!
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