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Recent articles in Physics
Updated: 13 hours 12 min ago

Strange Kinetics Shape Network Growth

Mon, 2024-06-17 12:00

Author(s): Ivan Bonamassa

A connection between time-varying networks and transport theory opens prospects for developing predictive equations of motion for networks.


[Physics 17, 96] Published Mon Jun 17, 2024

Categories: Physics

Mimicking an Elephant Trunk

Fri, 2024-06-14 12:00

Author(s): Philip Ball

The extraordinary range of motions achieved by elephants’ trunks can be mimicked by a physical model that uses just three “muscles,” which could inspire robotic designs.


[Physics 17, 98] Published Fri Jun 14, 2024

Categories: Physics

Gravitational-Wave Memory May Illustrate Spacetime Symmetries

Thu, 2024-06-13 12:00

Author(s): Elizabeth Fernandez

Observing gravitational-wave memory may help physicists test general relativity predictions about large-scale symmetries in the fabric of spacetime.


[Physics 17, 95] Published Thu Jun 13, 2024

Categories: Physics

Adding Certainty to Plutonium’s Fission Yield

Thu, 2024-06-13 12:00

Author(s): Rachel Berkowitz

A first-of-its-kind measurement reveals the energy spectrum of the neutrons produced during the fission of plutonium, a common nuclear fuel component.


[Physics 17, s68] Published Thu Jun 13, 2024

Categories: Physics

A Step toward Quantum Gases of Doubly Polar Molecules

Wed, 2024-06-12 12:00

Author(s): David Ehrenstein

Researchers created an ultracold gas of molecules with strong magnetic dipoles, which may lead to new types of Bose-Einstein condensates.


[Physics 17, s73] Published Wed Jun 12, 2024

Categories: Physics

Extending the Kibble-Zurek Mechanism

Tue, 2024-06-11 12:00

Author(s): Charles Day

A theory first applied to phase transitions in the early Universe and then to defects in superfluid helium can now account for a wider variety of systems.


[Physics 17, s61] Published Tue Jun 11, 2024

Categories: Physics

A Close Look at the Dynamics of an Ion–Neutral Reaction

Mon, 2024-06-10 12:00

Author(s): Valentina Zhelyazkova

A detailed study of a reaction between a molecular ion and a neutral atom has implications for both atmospheric and interstellar chemistry.


[Physics 17, 93] Published Mon Jun 10, 2024

Categories: Physics

Theory Predicts Collective States of Mobile Particles

Fri, 2024-06-07 12:00

Author(s): Mark Buchanan

Collections of interacting self-propelled objects held rigidly together show patterns of organized behavior that can be predicted.


[Physics 17, 94] Published Fri Jun 07, 2024

Categories: Physics

Colorful Primordial Black Holes

Thu, 2024-06-06 12:00

Author(s): Matteo Rini

Some ultralight black holes that formed soon after the big bang might have been exotic objects with a net “color charge” that left potentially observable signatures.


[Physics 17, s69] Published Thu Jun 06, 2024

Categories: Physics

A Simple Electronic Circuit Manifests a Complex Physical Effect

Wed, 2024-06-05 12:00

Author(s): Charles Day

Using a single set of measurements of an electronic circuit, researchers have characterized the properties of the topologically protected edge states of a quantum Hall system.


[Physics 17, s63] Published Wed Jun 05, 2024

Categories: Physics

Sensing Magnetic Fields with an Array of Single Atoms

Tue, 2024-06-04 12:00

Author(s): Andrea Parlangeli

Using an atomic array originally designed for quantum memory, researchers have demonstrated a magnetometer with unprecedented spatial resolution.


[Physics 17, 92] Published Tue Jun 04, 2024

Categories: Physics

Improving Assessments of Climate Tipping Points

Tue, 2024-06-04 12:00

Author(s): Marric Stephens

Statistical properties of fluctuations of certain parameters describing a complex system can reveal when that system is approaching a tipping point.


[Physics 17, s64] Published Tue Jun 04, 2024

Categories: Physics

Drug-Resistance Mutations Find Strength in Small Numbers

Mon, 2024-06-03 12:00

Author(s): Kirill Korolev

A new model, vetted by experiments on lung cancer cells, may help to explain how cancer and other diseases accumulate drug-resistance mutations that can compromise the effectiveness of treatments.


[Physics 17, 90] Published Mon Jun 03, 2024

Categories: Physics

How to Charge Up a Sliding Water Drop

Fri, 2024-05-31 12:00

Author(s): Elizabeth Fernandez

Experiments and theory explain how charge builds up in a moving water drop and why the effect requires a water-repelling surface.


[Physics 17, 91] Published Fri May 31, 2024

Categories: Physics

Spider-Inspired Microphone Detects Tiny Gusts of Sound

Thu, 2024-05-30 12:00

Author(s): Rachel Berkowitz

A small device senses sounds using a spiderweb-like design—a strategy that could lead to chip-size microphones that are less affected by thermal noise.


[Physics 17, 89] Published Thu May 30, 2024

Categories: Physics

Recipe for a One-Way Waveguide

Thu, 2024-05-30 12:00

Author(s): Martin Rodriguez-Vega

Experiments and numerical simulations indicate that randomly replacing a few nonmagnetic components with magnetic ones in a photonic alloy induces backscattering-free light propagation along its edge.


[Physics 17, s60] Published Thu May 30, 2024

Categories: Physics

Proton Effective Charge Depends on Neutron Population

Wed, 2024-05-29 12:00

Author(s): David Ehrenstein

Experiments comparing neutron-rich cadmium with previous data on a neutron-poor version prove that a key parameter in nuclear calculations depends on the neutron-to-proton ratio.


[Physics 17, s65] Published Wed May 29, 2024

Categories: Physics

Classifying the Surface Magnetization of Antiferromagnets

Tue, 2024-05-28 12:00

Author(s): Sai Mu

Group theory and first-principles calculations combine to predict which antiferromagnets have potentially useful net surface magnetization.


[Physics 17, 88] Published Tue May 28, 2024

Categories: Physics

Thin Films of Topological Magnets for Thermoelectric Applications

Tue, 2024-05-28 12:00

Author(s): Marric Stevens

A thin film of a topological magnet displays a large thermoelectric effect that doesn’t require an applied magnetic field—a behavior that could lead to new energy-harvesting devices.


[Physics 17, s66] Published Tue May 28, 2024

Categories: Physics

Time-Symmetric Motion Maximizes Energy Efficiency in Fluid

Fri, 2024-05-24 12:00

Author(s): Philip Ball

Researchers discovered a trick for dragging an object in a fluid with minimal effort, suggesting an optimal strategy for nanorobots.


[Physics 17, 87] Published Fri May 24, 2024

Categories: Physics