relativity
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Einstein’s Theory of Gravity Was Given Its Toughest Test Yet With This Galactic Clock
For more than 100 years, Albert Einstein’s general theory of relativity has been our best description of how the force of gravity acts throughout the Universe. General relativity is not only very accurate, but ask any astrophysicist about the theory and they’ll probably also describe it as “beautiful”. But it has a dark side too:…
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Earth’s Core Is Younger Than We Thought
Without a TARDIS, a journey to the centre of the Earth might be your best option for travelling to the past. Because of the way gravity warps spacetime, physicists have now calculated that the Earth’s core is 2.5 years younger than its surface.
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Tons Of Albert Einstein Documents Are Now Online For Free
On Friday Digital Einstein went live, bringing with it a treasure trove of Einstein letters, correspondences, postcards, and notes detailing the life of one of the world’s greatest thinkers. As The New York Times reports, these are The Dead Sea Scrolls of physics and you can read them today for free.
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Astronomers Discover First Direct Proof Of The Big Bang Expansion
Somebody’s going to win a Nobel Prize. At least that’s what the physics community is saying after the announcement on Monday that a Harvard team has found the first direct evidence of cosmic inflation right after the Big Bang. It’s more proof that the Big Bang really was the beginning of it all.