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Articles for Relativity, search results for physics

Scientists propose “DNA of the universe” is gap in Einstein’s hunt for unified physics theory
1 month, 1 week ago

Scientists propose “DNA of the universe” is gap in Einstein’s hunt for unified physics theory

Salon  

When molecular biologist Francis Crick tripped on the psychedelic drug LSD in 1953, his mind famously pulled together all of his previous research on human DNA to conceive of the image of a double helix. “Saying that matter interactions all come from the metric of classical spacetime means, at least naïvely, that quantum spacetime — whatever that means empirically — …

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Mint Explainer: Why black holes are on India’s radar
11 months, 3 weeks ago

Mint Explainer: Why black holes are on India’s radar

Live Mint  

If you watched Christopher Nolan’s 2014 movie Interstellar, you would be familiar with the word black hole, even if you do not fully understand what it means. In December 2021, the US-based National Aeronautics Space Agency launched the imaging X-ray polarimetry explorer mission to explore the remnants of supernova explosions, the particle streams emitted by black holes and other cosmic …

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Is time travel really possible? Here’s what physics says
1 year, 1 month ago

Is time travel really possible? Here’s what physics says

BBC  

Is time travel really possible? "This is where time travel can come in and it is scientifically accurate and there are real-world repercussions from that," says Emma Osborne, an astrophysicist at the University of York, in the UK. "People tie themselves up in knots trying to find ways to rearrange space-time in order to make time travel to the past …

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Nobel-winning black hole physics by Penrose, Hawking stands on work of Indian physicist Amal Raychaudhuri
4 years, 2 months ago

Nobel-winning black hole physics by Penrose, Hawking stands on work of Indian physicist Amal Raychaudhuri

Firstpost  

The Raychaudhuri Equation continues to be a key tool in investigating the behaviour of black hole horizons in modern physics. Einstein’s theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. Penrose, in collaboration with cosmologist Stephen Hawking, used the Raychauduri equation published in the journal Physical Review in 1955, for a …

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Nobel Prize For Physics 2020 Awarded To Roger Penrose, Jointly To Reinhard Genzel & Andrea Ghez For 'Black Hole' Related Discoveries
4 years, 2 months ago

Nobel Prize For Physics 2020 Awarded To Roger Penrose, Jointly To Reinhard Genzel & Andrea Ghez For 'Black Hole' Related Discoveries

ABP News  

The Royal Swedish Academy of Sciences awarded the first half of the 2020 Nobel Prize in Physics to Roger Penrose and the other half jointly to Reinhard Genzel and Andrea Ghez. The three scientists were honoured with the prestigious award for their discoveries about one of the most exotic phenomena in the universe, the black hole.The jury announcing the award …

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Three Awarded 2020 Nobel in Physics for Two Studies on Black Holes
4 years, 2 months ago

Three Awarded 2020 Nobel in Physics for Two Studies on Black Holes

The Quint  

According to a press release, Penrose used ingenious mathematical methods in his proof that black holes are a direct consequence of Albert Einstein’s general theory of relativity, adding that his “groundbreaking article is still regarded as the most important contribution to the general theory of relativity since Einstein.” On Genzel and Ghez, the Academy said that the duo had “developed …

Press Release