Science Fair Project Encyclopedia
Quintessence
The word Quintessence is used in different fields:
- In physics, Quintessence is a hypothetical form of energy postulated to exist as a possible explanation of observations of an accelerating universe.
- In alchemy, Quintessence, meaning "fifth element", was another term for ether; it is the substance of which the heavenly bodies were supposed to be composed.
11-30-2008 18:11:33
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


