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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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Heisenberg's quantum uncertainty: Study confirms principle's limits on measurement accuracy

Físicos demuestran que el principio de incertidumbre de Heisenberg no es “tan incierto” como se pensaba

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Probability Distributions for Measurement Uncertainty

Learn How to Combine Measurement Uncertainty

Learn How to Use Sensitivity Coefficients to Combine Measurement Uncertainty

Learn How to Reduce Measurement Uncertainty in 3 Easy Steps

(Phys.org)—Werner Heisenberg originally proposed the uncertainty principle in 1927, but his original proposal was somewhat different than how it is interpreted today. As a recent paper in Physical Review Letters explains, Heisenberg's original statement was about error and disturbance in a measurement process. Over the years, however, Heisenberg's original proposal has been restated in terms of the uncertainties intrinsic to quantum states. This aspect of the uncertainty principle has been…

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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.

Werner Heisenberg's original proposal was somewhat different than how it is interpreted today. As a recent paper in Physical Review Letters explains, Heisenberg's original statement was about error and disturbance in a measurement process. Over the years, however, Heisenberg's original proposal has been restated in terms of the uncertainties intrinsic to quantum states.

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