Uncertain

The more precisely the position is determined, the less precisely the momentum is known in this instant, and vice versa. 

— WERNER HEISENBERG, 1927

If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives. We will not become enthusiastic for the fact, the knowledge, the absolute truth of the day, but remain always uncertain… In order to make progress, one must leave the door to the unknown ajar. 

— RICHARD FEYNMAN
Clouds – ©Dave Higgins

In A Nutshell: We can never know exactly both the location and the speed of a particle. The more precisely we try to know one trait, the more uncertain we will be about the other.

The Science

Uncertainty Principle – This great video demonstrates it in action.

Uncertainty Principle – Brief article in New Scientist.

The Uncertainty Principle – Info from the American Institute of Physics.

Understanding Heisenberg’s Uncertainty Principle – A deeper discussion, with math

(While the principle may be about uncertainty, web resources seem fairly predictable in their titles.)

How It Can Apply In Our World

Life is full of uncertainty, we’ve just got to learn to live with it. An article about the physical and psychological effects of uncertainty.

Life Is Unpredictable – Get Used To It (pdf) – An interview in New Science of Nassim Nicholas Taleb, author of the book Black Swan: The Impact of the Highly Improbable.

Biological Warfare and the “Buffy Paradigm” – Drawing on a popular TV series, this article discusses how to deal with the many uncertainties presented by biological warfare. (pdf)

Quantum Sense – My writings on the subject.

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