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An elusive hypothetical particle comes in imitation form. Lurking within a solid crystal is a phenomenon that is mathematically similar to proposed subatomic particles called axions, physicist Johannes Gooth and colleagues report online October 7 in Nature. If axions exist as fundamental particles, they could constitute a hidden form of matter in the cosmos, dark […] More
Two sets of cosmic discoveries have garnered the 2019 Nobel Prize in physics. Half of the prize of 9 million Swedish kronor (about $900,000) goes to James Peebles of Princeton University, who discovered new theoretical tools to study the universe. His research includes studies of the cosmic microwave background, or CMB, light emitted early in […] More
Speaking with Andrea Young feels like watching a racehorse holding itself back at the starting gate. We met on the campus of the University of California, Santa Barbara, where he’s a condensed matter physicist, to chat about his work on 2-D materials. His mind seems to be working faster than the conversation can flow. My […] More
“I like it if I can run uphill and be rewarded with a view of the bay,” says Monika Schleier-Smith. She’s talking about a favorite spot to exercise around Palo Alto, Calif., but the sentiment also applies to her scientific work. A physicist at Stanford, Schleier-Smith, 36, has a reputation for embracing the uphill climb. […] More
Magnetic swirls called skyrmions have gotten a new twist. Scientists have created a new version of the atomic whirlpools, in which the tiny magnetic fields of individual atoms in a material arrange into a swirl pattern. Known as antiferromagnetic skyrmions, the new structures have some advantages that could make them easier to work with than […] More
The steamiest summer day would be no sweat for this potential superconductor. Scientists have calculated that a hydrogen-rich compound could conduct electricity without resistance at temperatures up to about 200° Celsius — well above the 100° C boiling point of water. If that prediction is confirmed experimentally, the material would stand in stark contrast to […] More
Regular old quantum teleportation wasn’t enough for scientists. So they’ve kicked it up a notch. Previously, physicists had teleported qubits, or quantum bits of information. Just as a standard bit in a desktop computer has two possible values, 0 or 1, a qubit has two possible states. Now scientists have moved on, reporting in the […] More
It’s a moonless night. The wind howls outside. A door opens slowly, as if pushed by an invisible hand. “Cre-e-e-a-k.” That sound — a horror movie cliché — is the result of friction. A stealthier entrance calls for oiling the door’s hinges. Friction is everywhere — from a violinist bowing a string to children skidding down […] More
