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“A black hole permanently scrambles information that can’t be recovered with any quantum machine learning algorithm, shedding new light on the classic Hayden-Preskill thought experiment A new theorem from the field of quantum machine learning has poked a major …
“New partnership aims to bring a viable, zero-emissions product for heavy-duty vehicles to market The U.S. transportation industry is the nation’s largest generator of greenhouse gases, accounting for nearly one-third of climate-warming emissions. To move towards a clean-energy …
“Colossal voltage results from interplay of material’s topology and strong electron correlations in a uranium-cobalt-ruthenium-aluminum alloy New research has demonstrated that a magnetic uranium compound can have strong thermoelectric properties, generating four times the transverse voltage from heat than …
News New class of versatile, high-performance quantum dots primed for medical imaging, quantum computing
“An atomically defined interlayer embedded into a quantum dot emits single photons at room temperature and allows tuning a wavelength in discrete quantized jumps A new class of quantum dots deliver a stable stream of single, spectrally tunable infrared photons …
“A new, simpler solution for fabricating stable perovskite solar cells overcomes the key bottleneck to large-scale production and commercialization of this promising renewable-energy technology, which has remained tantalizingly out of reach for more than a decade. “Our work paves the …
“In a sophisticated version of Where’s Waldo, the SmartTensors AI platform uses unsupervised machine learning to find the key data features that explain a whole data set, promising a boon for big-data analytics Making sense of vast streams of …
News Lack of symmetry in qubits can’t fix errors in quantum computing, but might explain matter/antimatter imbalance
“Unexpected twist in the Kibble-Zurek theory offers a new approach to solving two famous physics problems regarding matter/antimatter asymmetry and isotope separation A team of quantum theorists seeking to cure a basic problem with quantum annealing computers—they have …
“Quantum dot logic circuits provide the long-sought building blocks for innovative devices, including printable electronics, flexible displays, and medical diagnostics Researchers at Los Alamos National Laboratory and their collaborators from the University of California, Irvine have created fundamental electronic building …
“Using a quantum computer to simulate time travel, researchers have demonstrated that, in the quantum realm, there is no “butterfly effect.” In the research, information—qubits, or quantum bits—“time travel” into the simulated past. One of them is then …
“Photocathodes that produce electron beams for electron microscopes and advanced accelerators can be refreshed and rebuilt repeatedly without opening the devices that rely on them, provided the electron emitting materials are deposited on single-atom-thick layers of carbon known as graphene …