Determining the passage of time in our world of ticking clocks and oscillating pendulums is a simple case of counting the seconds between 'then' and 'now'. Down at the quantum scale of buzzing ...
Smartphones today can do anything you can imagine, apart from just voice calls and text messages. Amidst the sea of things they can perform, smartphones can also measure the length of any object.
“The concept of time has troubled philosophers and physicists for thousands of years, and the advent of quantum mechanics has not simplified the problem,” says Professor Hugo Dil, a physicist at EPFL.
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