Physics

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Metals and insulators are the yin and yang of physics, their respective material properties strictly dictated by their electrons’ mobility – metals should conduct electrons freely, while insulators keep them in place.  So when physicists from Princeton University in the US found a quantum quirk of metals bouncing around inside an insulating compound, they were
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Scientists are edging closer to making a super-secure, super-fast quantum internet possible: they’ve now been able to ‘teleport’ high-fidelity quantum information over a total distance of 44 kilometres (27 miles). Both data fidelity and transfer distance are crucial when it comes to building a real, working quantum internet, and making progress in either of these
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How many particles do you need before individual atoms start behaving collectively? According to new research, the number is incredibly low. As few as six atoms will start transitioning into a macroscopic system, under the right conditions. Using a specially designed ultra-cold laser trap, physicists observed the quantum precursor of the transition from a normal
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A Canadian teenager from Fort McMurray, Alberta has won a major scientific competition for an electrifying YouTube video in which she brilliantly simplifies the complicated concept of quantum tunnelling. Maryam Tsegaye, a 17-year-old student from École McTavish Public High School, took home top prize at the sixth annual Breakthrough Junior Challenge for the explainer, in
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China successfully powered up its “artificial sun” nuclear fusion reactor for the first time, state media reported Friday, marking a great advance in the country’s nuclear power research capabilities. The HL-2M Tokamak reactor is China’s largest and most advanced nuclear fusion experimental research device, and scientists hope that the device can potentially unlock a powerful
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Wherever you have fluid, there you can also find vortex rings. Now, scientists have found vortex rings somewhere fascinating – inside a tiny pillar made of a magnetic material, the gadolinium-cobalt intermetallic compound GdCo2. If you’ve seen smoke rings, or bubble rings under water, you’ve seen vortex rings: doughnut-shaped vortices that form when fluid flows back on
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For something that largely exists in just two dimensions, graphene seems to be everywhere. The super-thin ‘wonder material’ is famous not only for its incredible strength, but also its unique, often surprising mix of thermal and electromagnetic properties. In recent times, many of the strangest experimental discoveries in graphene research have been made when scientists