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Coffee, Donuts, and Semiconductors Physics 14, 61 During the Semiconductors for Breakfast meeting, researchers woke up to talks on light-emitting nanorods and hairy cavities. E. Fadaly/Eindhoven University of Technology Recent work shows that nanorods of silicon-germanium can emit light, unlike pure silicon crystals. Researchers grew these semiconductor materials with the necessary hexagonal crystal structure by seeding them on hexagonally shaped nanowires. E. Fadaly/Eindhoven University of Technology Recent work shows that nanorods of silicon-germanium can emit light, unlike pure silicon c...

6 April 2021 Swedish researchers have produced a battery made of ultra-lightweight materials, including carbon fibre that works as an electrode, a conductor, and a load-bearing structure, in a breakthrough that could pave the way for lighter, more efficient electric cars and planes. The breakthrough in the long-running quest to develop “massless energy storage” was reported late last month, as the result of a collaboration between Chalmers University of Technology and KTH Royal Institute of Technology, both in Sweden. The technology works using types of carbon fibre which, as well as bein...

The Mysteries of Stephen Hawking’s Universe Why did “A Brief History of Time” make its author the most famous scientist in the world? IAN BERRY/MAGNUM April 6, 2021 The last time Stephen Hawking was ever uncertain about his fame was before a lecture in Cambridge, in the winter of 1988. Even then, really, he should have been in no doubt. In previous years, he’d been profiled by Vanity Fair and The New York Times Magazine, and the BBC had run shows about his work. Then, that past April, his book on cosmology, A Brief History of Time, had been published to instant and staggering succ...

Researchers from Chalmers University of Technology have produced a structural battery that performs ten times better than all previous versions. It

The effort to detect gravitational waves apparently won’t require additional dedicated equipment to be installed aboard space probes, since such craft “already have...