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Yet again, scientists have validated a major component of Einstein’s theory of general relativity. Specifically, a trio of two white dwarf stars and a collapsed neutron star demonstrated the concept of freefall, according to research published this month in the journal Astronomy and Astrophysics. That’s the idea, famously illustrated by Galileo’s Leaning Tower of Pisa thought experiment, that gravity
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With the Black Lives Matter movement dominating headlines in the last week, systemic racial inequality in academia has also been brought to the forefront, with the hashtag #BlackintheIvory. Across social media, Black academics and educators are sharing countless stories on how they have been subjected to systemic racism, and blatant discrimination from White colleagues. #BlackintheIvory
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The famous cat-in-a-box thought experiment by Austrian physicist Erwin Schrödinger is an illustration of one of the defining characteristics of quantum mechanics – the unpredictable behaviour of particles at the quantum level. It makes working with quantum systems incredibly difficult; but what if we could make quantum predictions? A team of physicists believes it’s possible.
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The chaos and uncertainty surrounding the coronavirus pandemic have claimed an unlikely victim: the machine learning systems that are programmed to make sense of our online behavior. The algorithms that recommend products on Amazon, for instance, are struggling to interpret our new lifestyles, MIT Technology Review reports. And while machine learning tools are built to
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The hailstone is so massive it even stunned meteorologists. “It’s incredible,” said meteorologist Matthew Kumjian from Penn State University in the US. “This is the extreme upper end of what you’d expect from hail.” The hefty ice lump smashed down from a supercell thunderstorm in Argentina two years ago, in the heavily populated town Villa Carlos
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A single tail from one of the largest and most enigmatic dinosaur species looks to have solved a longstanding mystery about these extinct creatures: whether they could swim. The discovery of a giant fossilised tail belonging to the theropod Spinosaurus aegyptiacus suggests these huge predators were aquatic animals after all, using tail-propelled locomotion to swim
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It’s been a busy week for astrophysicist Michel Mayor. On Tuesday, he won a Nobel Prize for his work detecting exoplanets. Then, on Wednesday, he crushed the dreams of anyone hoping to one day colonize those planets. “If we are talking about exoplanets,” Mayor told Agence France-Presse when asked about off-world colonization, “things should be clear: we will not migrate there.”
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Unlike some creatures, humans can’t regenerate their limbs – but a new study suggests we do have a hidden ‘salamander-like’ ability to regrow cartilage in the body, a finding which could help treatment for joint injuries and even arthritis. Using mass spectrometry techniques on 18 specimens, researchers were able to identify a mechanism by which