The word "theory" has a number of distinct meanings in different fields of knowledge, depending on the context and their methodologies. In common usage, people use the word "theory" to signify "conjecture", "speculation", or "opinion." In this sense, "theories" are opposed to "facts" — parts of the world, or claims about the world, that are real or true regardless of what people think.

In science, a theory is a proposed description, explanation, or model of the manner of interaction of a set of natural phenomena, capable of predicting future occurrences or observations of the same kind, and capable of being tested through experiment or otherwise falsified through empirical observation. It follows from this that for scientists "theory" and "fact" do not necessarily stand in opposition. For example, it is a fact that an apple dropped on earth has been observed to fall towards the center of the planet, and the theory which explains why the apple behaves so is the current theory of gravitation.

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ergh. have to...do homework, yes that's it, do homework. and practise viola and do some theory and workout possibly.
swittchkkid (Surely, Shirley.) Sun, 06 Dec 2009 15:03:55 -0000
ergh. have to...do homework, yes that's it, do homework. and practise viola and do some theory and workout possibly.
RT @gruber: Best Conspiracy Theory Ever: http://www.ordinary-gentlemen.com/2009/12/best-conspiracy-theory-ever/
jeredb (Jeredb) Sun, 06 Dec 2009 15:00:37 -0000
RT @gruber: Best Conspiracy Theory Ever: http://www.ordinary-gentlemen.com/2009/12/best-conspiracy-theory-ever/
The Austrian Business Cycle theory ensured that CLSA - Walker,Fishwick,Woods,Nafte- was the only sell-side outfit to see it coming
vaidynath (Vaidyanathan - India) Sun, 06 Dec 2009 14:58:21 -0000
The Austrian Business Cycle theory ensured that CLSA - Walker,Fishwick,Woods,Nafte- was the only sell-side outfit to see it coming
Finished recording THE BIG BANG THEORY
tommymythtv (Tommy Tsui Mythtv) Sun, 06 Dec 2009 14:41:32 -0000
Finished recording THE BIG BANG THEORY
I've been wanting to change so much. - All theory, no action. Today is the day where it happens. http://tumblr.com/xwt4hrh2w
helloimmikee (Michael Macalintal) Sun, 06 Dec 2009 13:27:43 -0000
I've been wanting to change so much. - All theory, no action. Today is the day where it happens. http://tumblr.com/xwt4hrh2w
18 dicembre A Theory Of Justice + The Orange Man Theory@centro di aggregazione giovanile-LODI- !!!!!!!!!!
atojlodi (a theory of justice) Sun, 06 Dec 2009 13:19:03 -0000
18 dicembre A Theory Of Justice + The Orange Man Theory@centro di aggregazione giovanile-LODI- !!!!!!!!!!

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