Perfectly accurate clocks turn out to be impossible
Wednesday, October 7, 2015 - 10:20
in Astronomy & Space
Can the passage of time be measured precisely, always and everywhere? The answer will upset many watchmakers. A team of physicists from the universities of Warsaw and Nottingham have just shown that when we are dealing with very large accelerations, no clock will actually be able to show the real passage of time, known as "proper time".