Uncertainty is inherent in quantum world from "summary" of The Quantum Universe by Brian Cox,Jeff Forshaw
The quantum world is a strange and mysterious place, where the rules of classical physics no longer seem to apply. One of the most fundamental principles of quantum mechanics is the concept of uncertainty. This idea, first introduced by Werner Heisenberg in the 1920s, states that it is impossible to know both the position and momentum of a particle with absolute precision. This uncertainty arises from the wave-particle duality of matter, which tells us that particles like electrons can behave as both waves and particles. As a result, we can never pin down their exact location or velocity at any given moment. This inherent uncertainty is not due to limitations in our measuring instruments or techniques, but is a fundamental aspect of the quantum world itself. Heisenberg's uncertainty principle places a limit on the precision with which we can measure certain pairs of properties, such as position and momentum, energy and time, or angular momentum along different axes. The more precisely we know one of t...
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