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Heisenberg's uncertainty principle graces every undergraduate quantum physics textbook in the world. But a proof for a key aspect of it - one that encapsulates the uncertainty that measurement introduces into a system - has never been proven directly. That has just changed...

from ScienceDaily

Scientists cast doubt on Heisenberg's uncertainty principle

Heisenberg's Uncertainty Principle has bedeviled quantum physicists for nearly a century, until recently, when researchers at the University of Toronto demonstrated the ability to directly measure the disturbance and confirm that Heisenberg was too pessimistic.

from Live Science

Particles Walk Through Walls While Physicists Watch

Particles Walk Through Walls While Physicists Watch. Clara Moskowitz, LiveScience senior writer, 'Electrons bound to an atom can sometimes escape, even if they lack the requisite energy, through a phenomenon known as quantum tunneling'.


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Read the 10 Most Popular Articles on measurement uncertainty in 2015 and get a sneak peak at my plans for 2016.



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