For some of us, physics was something we dreaded at school, abandoning our studies in it at the earliest opportunity, all before reaching adulthood and realising that this particular branch of science is arguably the coolest. Fortunately, there are graduates, postgrads and doctors who had more foresight than people like this humble writer and made the study of physics their life’s work. Here are some of the unbelievably cool things about physics that we have learned because of people like them.
1. Relativity Makes Space Travellers Younger (Kinda)
Both velocity and gravity have an effect on the speed of time; the higher they are, the slower time passes. Astronauts aboard the International Space Station (ISS) (who are in reduced gravity compared to people on Earth but travelling at increased speed around it) experience time more slowly, at a rate of roughly 1 second ‘lost’ every 747 days.
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