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Updated: 12 hours 54 min ago

Probing Majorana Neutrinos

Mon, 2023-01-30 11:00

Author(s): Laura Baudis

Detecting neutrinoless double-beta decay would confirm that the neutrino is its own antiparticle. Data from the KamLAND-Zen experiment contain no strong evidence of such events, constraining neutrino properties.


[Physics 16, 13] Published Mon Jan 30, 2023

Categories: Physics

The Uneven Spread of Citations

Mon, 2023-01-30 11:00

Author(s): Katherine Wright

Minority physicists are significantly undercited compared to their white, male counterparts, which can have serious career consequences. A new tool is allowing researchers to reduce this imbalance.


[Physics 16, 15] Published Mon Jan 30, 2023

Categories: Physics

Memories Become Chaotic before They Are Forgotten

Fri, 2023-01-27 11:00

Author(s): Philip Ball

A model for information storage in the brain reveals how memories decay with age.


[Physics 16, 14] Published Fri Jan 27, 2023

Categories: Physics

The Unimportance of Accurate Financial Knowledge

Fri, 2023-01-27 11:00

Author(s): Marric Stephens

Simulations of the behavior of individual financial traders show that imperfect market knowledge increases risk but not overall losses.


[Physics 16, s13] Published Fri Jan 27, 2023

Categories: Physics

Quantum Circuit Tackles “Diabolical” Photochemical Process

Thu, 2023-01-26 11:00

Author(s): Matteo Rini

A quantum device shows promise for simulating molecular dynamics in a difficult-to-model photochemical process that is relevant to vision.


[Physics 16, s14] Published Thu Jan 26, 2023

Categories: Physics

How Nature’s Donuts Get Their Wrinkles

Wed, 2023-01-25 11:00

Author(s): Ryan Wilkinson

A new model explains the wrinkling patterns seen in nature’s donut-shaped objects, such as those found in jellyfish.


[Physics 16, s5] Published Wed Jan 25, 2023

Categories: Physics

Twinkling of a Shrinking Droplet Reveals Hidden Complexity

Tue, 2023-01-24 11:00

Author(s): Ryan Wilkinson

Captivating patterns found in the light scattered by an evaporating water droplet could be used to infer the properties of the droplet as it shrinks.


[Physics 16, s9] Published Tue Jan 24, 2023

Categories: Physics

Air Waveguide from “Donut” Laser Beams

Mon, 2023-01-23 11:00

Author(s): Ya Cheng

A waveguide sculpted in air with lasers transmits light over a distance of nearly 50 meters, which is 60 times farther than previous air-waveguide schemes.


[Physics 16, 11] Published Mon Jan 23, 2023

Categories: Physics

A Laser-Based “Lightning Rod”

Mon, 2023-01-23 11:00

Author(s): Michael Schirber

Experiments on a Swiss mountain demonstrate that a high-powered laser can influence the trajectory of lightning strikes—a step toward laser-based lightning protection.


[Physics 16, 12] Published Mon Jan 23, 2023

Categories: Physics

Sound Waves Mimic Gravity

Fri, 2023-01-20 11:00

Author(s): Michael Schirber

A recently discovered acoustic effect allows a hot gas to simulate the gravity-induced convection within a star or giant planet.


[Physics 16, 10] Published Fri Jan 20, 2023

Categories: Physics

Massive Star Formation Displays Self-Control

Thu, 2023-01-19 11:00

Author(s): Rachel Berkowitz

New observations of a stellar nursery highlight a self-regulation mechanism that appears to resolve discrepancies between simulated and observed efficiencies of star formation.


[Physics 16, 9] Published Thu Jan 19, 2023

Categories: Physics

A Salt-Based Laser Color Converter

Thu, 2023-01-19 11:00

Author(s): Rachel Berkowitz

Artificial salts that are liquid at room temperature can be used to efficiently tune the wavelength of a laser source.


[Physics 16, s8] Published Thu Jan 19, 2023

Categories: Physics

No-Show for Cosmic-Ray-Boosted, Lightweight Dark Matter

Wed, 2023-01-18 11:00

Author(s): Marric Stephens

Interactions with cosmic rays could make low-mass dark matter particles detectable by neutrino observatories. But an analysis of two decades’ worth of data shows no signs of the particles.


[Physics 16, s11] Published Wed Jan 18, 2023

Categories: Physics

A Nonlinear Cavity Cools a Cantilever

Tue, 2023-01-17 11:00

Author(s): Rachel Berkowitz

Photons in a nonlinear cavity perform “negative” work on a mechanical oscillator, cooling it toward its ground state.


[Physics 16, s6] Published Tue Jan 17, 2023

Categories: Physics

Why Fish Swim Intermittently

Fri, 2023-01-13 11:00

Author(s): David Ehrenstein

A simulation shows in detail why the “burst-and-coast” swimming strategy is often more efficient than continuous swimming.


[Physics 16, 8] Published Fri Jan 13, 2023

Categories: Physics

Quasicrystal with a “Flashy” Origin

Thu, 2023-01-12 11:00

Author(s): Katherine Wright

A previously unseen quasicrystal has been found in a sand dune in Nebraska, and researchers think it may have been produced by a lightning strike.


[Physics 16, 7] Published Thu Jan 12, 2023

Categories: Physics

Watching Rydberg Molecules Vibrate in Slow Motion

Thu, 2023-01-12 11:00

Author(s): Martin Rodriguez-Vega

Researchers have recorded for the first time the dynamics of vibrating Rydberg molecules, the slow-motion counterparts of regular molecules.


[Physics 16, s7] Published Thu Jan 12, 2023

Categories: Physics

Signatures of Competing Cardiac Pacemakers

Wed, 2023-01-11 11:00

Author(s): Phillip Ball

Computer simulations and experiments with cardiac cells identify signatures of a condition in which two sets of pacemaker cells lead to an abnormal heartbeat.


[Physics 16, 2] Published Wed Jan 11, 2023

Categories: Physics

Quantum Phase Transition Predicted for Gaseous Water

Wed, 2023-01-11 11:00

Author(s): Marivi Fernández-Serra

Water molecules that are close enough to “see” each other but far enough apart to be gas-like can undergo a quantum phase transition, a finding of relevance for making future water-based quantum devices.


[Physics 16, 5] Published Wed Jan 11, 2023

Categories: Physics

Explaining Anomalies in Reactor Antineutrinos

Tue, 2023-01-10 11:00

Author(s): Michael Schirber

A new analysis finds that discrepancies between reactor neutrino experiments and theory may be the result of errors in the analysis of electron data that form the basis of the neutrino predictions.


[Physics 16, s10] Published Tue Jan 10, 2023

Categories: Physics