wmedianl — 2 mars 2010 — Throughout history, one thing has never changed – time. It is something we rely on to plan our lives, and it is consistent, regular and ceaseless. But is it? High in the Alps, Michio encounters a mystery – tiny particles called muons which shouldnt exist. They dont last long enough to be detected on Earth – and yet here they are. The answer to this mystery lies in one of the greatest discoveries of all time – Einsteins theory of relativity. The faster you travel, the slower time ticks. So time is not fixed at all.

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