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US: Newton’s third law of motion broken by new time crystal built using sound waves
Physicists at New York University in the US have built a new kind of ...
An introduction to how Maxwell’s equations lead to electromagnetic plane waves. This lesson explains the physics behind wave propagation and the relationship between electric and magnetic fields. #phy ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
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Record-breaking gravitational wave puts Einstein's relativity to its toughest test yet — and proves him right again
Scientists have used the loudest gravitational-wave signal ever recorded to put Albert Einstein's more than 100-year-old theory of gravity to its toughest test yet — and once again, it passed. The ...
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