Uncertainty is a term used in subtly different ways in a number of fields, including philosophy, statistics, economics, finance, insurance, psychology, sociology, engineering, and ...
http://en.wikipedia.org/wiki/Uncertainty

In quantum physics, the Heisenberg uncertainty principle is the statement that locating a particle in a small region of space makes the velocity of the particle uncertain; and ...
http://en.wikipedia.org/wiki/Uncertainty_principle

From NIST website: Guidelines and perspectives (U.S. and international) on how to express uncertainties.
http://physics.nist.gov/cuu/Uncertainty/index.html

Essentials of expressing measurement uncertainty. This is a brief summary of the method of evaluating and expressing uncertainty in measurement adopted widely by U.S. industry ...
http://physics.nist.gov/cuu/Uncertainty/basic.html

noun, plural -ties for 2. 1. the state of being uncertain; doubt; hesitancy: His uncertainty gave impetus to his inquiry. 2. an instance of uncertainty, doubt, etc.
http://dictionary.reference.com/browse/uncertainty

uncertainty n. , pl. -ties . The condition of being uncertain; doubt. Something uncertain: the uncertainties of modern life
http://www.answers.com/topic/uncertainty

CERTAINTY, UNCERTAINTY, contracts. In matters of obligation, a thing is certain, when its essence, quality, and quantity, are described, distinctly set forth, Dig. 12, 1, 6.
http://legal-dictionary.thefreedictionary.com/Uncertainty

Converse of object. quantify: Our aim is to quantify uncertainty in flow performance prediction due to uncertainty in a reservoir description. associate:
http://www.yourdictionary.com/uncertainty

un·cer·tain·ty   (n-sûr tn-t) n. pl. un·cer·tain·ties. 1. The condition of being uncertain; doubt. 2. Something uncertain: the uncertainties of modern life.
http://www.thefreedictionary.com/uncertainty

noun Physics. the principle of quantum mechanics, formulated by Heisenberg, that the accurate measurement of one of two related, observable quantities, as position and momentum or ...
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Synonyms of uncertainty at Thesaurus.com. uncertainty definitions and translations. Crossword and puzzle games.
http://thesaurus.reference.com/browse/uncertainty

Hi there! This is the site for Uncertainty, which is a one-man show about...well, everything in the universe. And love. And death. And quantum physics.
http://uncertaintyshow.com

Bertrand Russell (1872 - 1970), "Am I An Atheist Or An Agnostic?", 1947 When one admits that ... Bertrand Russell (1872 - 1970), "Am I An Atheist Or An Agnostic?", 1947 I believe ...
http://www.quotationspage.com/subjects/uncertainty/

Definition of uncertainty from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.
http://www.merriam-webster.com/dictionary/uncertainty

Directed by Scott McGehee, David Siegel. With Lynn Collins, Joseph Gordon-Levitt, Assumpta Serna. A young couple, in love and facing a life-changing decision, find one seemingly ...
http://imdb.com/title/tt1086216/

The more precisely the position is determined, the less precisely the momentum is known in this instant, and vice versa.--Heisenberg, uncertainty paper, 1927
http://www.aip.org/history/heisenberg/p08.htm

UNCERTAINTY a measure of variety such that uncertainty (H) is zero when all elements are in the same category. H increases with both the number of categories and their ...
http://pespmc1.vub.ac.be/ASC/UNCERTAINTY.html

Systems models for classroom learning. I had an opportunity to spend quality time with Mark Prensky, examining the utility of the educational value of games.
http://wordpress.com/tag/uncertainty/

The life of Werner Heisenberg, by the AIP Center for History of Physics. Text by historian David C. Cassidy and many illustrations describe Heisenberg's contributions to quantum ...
http://www.aip.org/history/heisenberg/

The Time-Energy Uncertainty Relation John Baez March 11, 2000 In quantum mechanics we have an uncertainty relation between position and momentum:
http://math.ucr.edu/home/baez/uncertainty.html