Physics

For the first time, scientists have managed to show quantum entanglement – which Einstein famously described as “spooky action at a distance” – happening between macroscopic objects, a major step forward in our understanding of quantum physics.   Quantum entanglement links particles in a way that they instantly affect each other, even over vast distances. On the
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Amateur mathematician Aubrey de Grey has stunned the maths world by making the first significant progress in decades towards solving a longstanding riddle – one that’s perplexed mathematical thinkers for over 60 years.   The riddle, called the Hadwiger-Nelson problem, is basically all about untouchable colours, and how many of them – or, rather, how
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In the summer of 1935, the physicists Albert Einstein and Erwin Schrödinger engaged in a rich, multifaceted and sometimes fretful correspondence about the implications of the new theory of quantum mechanics.   The focus of their worry was what Schrödinger later dubbed entanglement: the inability to describe two quantum systems or particles independently, after they
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Locking up super-secret information with digital encryption has become even more secure with the production of numbers that aren’t just ‘nearly random’, but are truly unpredictable in every sense of the word.   Using the data generated by a three-year-old experiment on quantum entanglement, the US National Institute of Standards and Technology (NIST) recently generated
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Experiments carried out on a complex arrangement of magnetic particles have identified a completely new state of matter, and it can only be explained if scientists turn to quantum physics.   The messy structures behind the research show strange properties that could allow us to study the chaos of exotic particles – if researchers can find order
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For the first time, researchers have used diamond to build a solid-state maser that can operate continuously at room temperature. This could burst open the technology for everyday use such as medical imaging and security scanners at airports.   Masers are like the microwave version of lasers. It stands for “microwave amplification by stimulated emission
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Albert Einstein and Stephen Hawking were both incredible physicists, wonderful communicators, and inspirations to science lovers the world over.  In a cosmic coincidence, Stephen Hawking passed away this week on March 14 – Einstein’s birthday. But can you tell which of the beautiful minds said these quotes? Take our quiz to find out.   Source
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The foundation stone of quantum mechanics doesn’t just describe the behaviour of infinitesimal subatomic particles – it also governs the movement of the largest and most massive objects in the Universe, says a prominent astrophysicist.   Einstein’s theory of general relativity is often considered the reliable lynchpin of physics at the astronomical scale, but planetary
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Quantum physics just beat classical physics again. A single quantum particle can send a two-way signal, scientists have discovered – something that’s impossible in classical physics. That means a particle can essentially send messages to itself thanks to the whacky state of uncertainty known as superposition.   Superposition states that one particle can occupy two
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