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Updated: 1 day 14 min ago

Research News: At-Home Experiment Exposes Gel Cracks

Wed, 2021-03-03 11:00

Author(s): Rachel Berkowitz

Kept out of the lab by COVID-19, an undergraduate student has performed experiments in his living room, revealing a mechanism for fracture elongation in soft materials.


[Physics 14, 29] Published Wed Mar 03, 2021

Categories: Physics

Synopsis: Electrons and Water Molecules Form a Pulsating Cluster

Wed, 2021-03-03 11:00

Author(s): Sophia Chen

In water, single electrons can cluster with water molecules to form a quasiparticle that oscillates in size, a behavior that could influence the equilibration speed of chemical reactions in the system.  


[Physics 14, s29] Published Wed Mar 03, 2021

Categories: Physics

Synopsis: Watching an Egg Cook with X Rays

Tue, 2021-03-02 11:00

Author(s): Erika K. Carlson

An x-ray scattering technique reveals how egg whites gel on a range of length and timescales.


[Physics 14, s26] Published Tue Mar 02, 2021

Categories: Physics

Viewpoint: The Brain—as Critical as Possible

Mon, 2021-03-01 11:00

Author(s): Moritz Helias

A constant bombardment of stimuli drives the brain’s dynamics away from a critical point to a “quasicritical” state.


[Physics 14, 28] Published Mon Mar 01, 2021

Categories: Physics

Q&A: A 4D Fusion Puzzle

Fri, 2021-02-26 11:00

Author(s): Michael Schirber

Duco Jansen explains how he, along with engineers at the ITER fusion experiment, will position 1000-ton parts shipped in from the four corners of the globe.


[Physics 14, 30] Published Fri Feb 26, 2021

Categories: Physics

Focus: The Gambler, Maxwell’s New Demon

Fri, 2021-02-26 11:00

Author(s): Philip Ball

In a new version of Maxwell’s demon, the tiny being plays the role of a gambler who knows when to quit.


[Physics 14, 31] Published Fri Feb 26, 2021

Categories: Physics

Viewpoint: The Tiniest Superfluid Circuit in Nature

Thu, 2021-02-25 11:00

Author(s): Piotr Magierski

A new analysis of heavy-ion collision experiments uncovers evidence that two colliding nuclei behave like a Josephson junction—a device in which Cooper pairs tunnel through a barrier between two superfluids.


[Physics 14, 27] Published Thu Feb 25, 2021

Categories: Physics

Synopsis: Holding on to a Cold Plasma

Thu, 2021-02-25 11:00

Author(s): Sophia Chen

Researchers have demonstrated that an ultracold neutral plasma can be magnetically confined, paving the way toward experiments that simulate its hot astrophysical counterparts.


[Physics 14, s27] Published Thu Feb 25, 2021

Categories: Physics

Synopsis: How a Microorganism Corkscrews While It Breaststrokes

Wed, 2021-02-24 11:00

Author(s): Christopher Crockett

High-speed imaging and simulations show that the single-celled organism called Chlamydomonas reinhardtii beats its flagella on separate planes, explaining how it generates its helical movement.


[Physics 14, s21] Published Wed Feb 24, 2021

Categories: Physics

Synopsis: The Entangled Dance of Atom Beams

Tue, 2021-02-23 11:00

Author(s): Rachel Berkowitz

Entangled pairs of ultracold atoms interfere in a double waveguide.


[Physics 14, s23] Published Tue Feb 23, 2021

Categories: Physics

Viewpoint: Ion Microscopy Goes Quantum

Mon, 2021-02-22 11:00

Author(s): Arturo Camacho-Guardian

Researchers have developed an ion-optics-based quantum microscope that has sufficient resolution to image individual atoms.


[Physics 14, 21] Published Mon Feb 22, 2021

Categories: Physics

Focus: An Atom Pushed to Its Speed Limit

Fri, 2021-02-19 11:00

Author(s): Katherine Wright

Researchers have transported an atom between two locations in the shortest possible time, an achievement that has implications for quantum technologies.


[Physics 14, 26] Published Fri Feb 19, 2021

Categories: Physics

Synopsis: Distorting Nuclear Mirror

Thu, 2021-02-18 11:00

Author(s): Matteo Rini

Two “mirror” nuclei, in which the numbers of neutrons and protons are interchanged, have markedly different shapes—a finding that defies current nuclear theories.


[Physics 14, s20] Published Thu Feb 18, 2021

Categories: Physics

Viewpoint: A Superconducting Qubit that Protects Itself

Wed, 2021-02-17 11:00

Author(s): Anja Metelmann

A newly proposed superconducting circuit architecture employs  a synthetic magnetic field to create a qubit that is intrinsically protected from noise.


[Physics 14, 25] Published Wed Feb 17, 2021

Categories: Physics

Synopsis: Elongated Cells May Unjam Cancers

Wed, 2021-02-17 11:00

Author(s): Marric Stephens

In tightly packed tissues, a cancer cell’s motility is linked to the shape of the cell and of its nucleus.


[Physics 14, s19] Published Wed Feb 17, 2021

Categories: Physics

Synopsis: Unexpected Universality in Superconductor Behavior

Tue, 2021-02-16 11:00

Author(s): Katherine Wright

In contrast with predictions, researchers find no variation in a thermoelectric signal (known as the Nernst signal) for different types of superconductor.


[Physics 14, s17] Published Tue Feb 16, 2021

Categories: Physics

Viewpoint: Speeding Up Ultrafast Spectroscopy

Mon, 2021-02-15 11:00

Author(s): Rachel Ostic and Jean-Michel Ménard

A signal-processing algorithm called compressive sensing lets researchers characterize a sample with ultrafast spectroscopy using far fewer measurements than before. 


[Physics 14, 23] Published Mon Feb 15, 2021

Categories: Physics

Focus: Iceberg Shape Affects Melting

Fri, 2021-02-12 11:00

Author(s): Mark Buchanan

Experiments with large ice cubes show that the melting rate depends on the shape, an effect that climate modelers may need to consider.


[Physics 14, 24] Published Fri Feb 12, 2021

Categories: Physics

Synopsis: Doubly Strange Nucleus Observed

Thu, 2021-02-11 11:00

Author(s): Michael Schirber

Particle physicists have detected a short-lived nucleus containing two strange quarks, whose properties could provide new insights into the behavior of other nuclear particles.


[Physics 14, s15] Published Thu Feb 11, 2021

Categories: Physics

Synopsis: The Many Personalities of Oil Mixed with Water

Thu, 2021-02-11 11:00

Author(s): Sophia Chen

Turning an emulsion of oil droplets in water into one consisting of water droplets in oil drastically changes the fluid’s properties.


[Physics 14, s24] Published Thu Feb 11, 2021

Categories: Physics