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 ...
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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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