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Updated: 21 hours 24 min ago

Shining Light on Electron Microscopy

Mon, 2022-09-26 12:00

Author(s): Herman Batelaan

A new method that uses laser light to both generate and shape electron beams could improve the resolution of electron microscopy.


[Physics 15, 145] Published Mon Sep 26, 2022

Categories: Physics

Optimizing Flow Speed is Essential for the Gut

Fri, 2022-09-23 12:00

Author(s): Mark Buchanan

Fluid dynamics simulations suggest that the varying flow speed inside the small intestine maximizes nutrient absorption while minimizing excess bacteria.


[Physics 15, 146] Published Fri Sep 23, 2022

Categories: Physics

Wind Farms Perform Under Pressure

Fri, 2022-09-23 12:00

Author(s): Rachel Berkowitz

Simulations show that negative wind shear can reduce the power output of wind farms.


[Physics 15, s127] Published Fri Sep 23, 2022

Categories: Physics

New Qubit Enters the Quantum-Computer Arena

Thu, 2022-09-22 12:00

Author(s): Katherine Wright

A new type of superconducting qubit could solve a “crowding” problem that hinders the development of superconducting quantum computers with large numbers of qubits.


[Physics 15, s130] Published Thu Sep 22, 2022

Categories: Physics

Plant-Based Strategy for Harvesting Light

Wed, 2022-09-21 12:00

Author(s): Michael Schirber

A new photodetector design borrows its light-gathering architecture from plants, offering a potential path to more efficient solar cells.


[Physics 15, 144] Published Wed Sep 21, 2022

Categories: Physics

Information as Thermodynamic Fuel

Wed, 2022-09-21 12:00

Author(s): Agnese Curatolo

A “filtering” algorithm allows information engines to perform efficiently even when they are subjected to high noise.


[Physics 15, s133] Published Wed Sep 21, 2022

Categories: Physics

How Cells Move through Narrow Spaces

Tue, 2022-09-20 12:00

Author(s): Philip Ball

Experiments demonstrate that biological cells actively change shape to respond to their surroundings when moving in confined regions.


[Physics 15, 142] Published Tue Sep 20, 2022

Categories: Physics

Countdown to DART Impact

Tue, 2022-09-20 12:00

Author(s): Katherine Wright

In a first-of-its-kind test for planetary defense, NASA’s DART spacecraft is scheduled next week to crash into an asteroid and alter the celestial body’s course.


[Physics 15, 143] Published Tue Sep 20, 2022

Categories: Physics

Disordered Systems Mimic Genetic Evolution

Tue, 2022-09-20 12:00

Author(s): Rachel Berkowitz

A bacterial genome’s evolution under changing drug concentrations displays effects of memory formation and mimics how disordered solids respond to external forces.


[Physics 15, s118] Published Tue Sep 20, 2022

Categories: Physics

A Solid Observation of Strong Kerr Nonlinearity

Mon, 2022-09-19 12:00

Author(s): Mitsuyoshi Takahata and Nobuko Naka

Researchers have demonstrated that a solid can exhibit an enhanced nonlinear optical phenomenon usually seen only in cold atomic gases.


[Physics 15, 139] Published Mon Sep 19, 2022

Categories: Physics

A Jiggling Ultracold Atomic Gas Simulates Spin Dynamics

Mon, 2022-09-19 12:00

Author(s): Sophia Chen

Researchers produce analogues of hard-to-study quantum phenomena in a gas of strontium atoms near absolute zero.


[Physics 15, s132] Published Mon Sep 19, 2022

Categories: Physics

Interaction Detection with Attosecond Perfection

Fri, 2022-09-16 12:00

Author(s): Rachel Berkowitz

Mina Bionta explores how light interacts with matter by capturing snapshots of those interactions on the timescale of the light’s oscillations.


[Physics 15, 140] Published Fri Sep 16, 2022

Categories: Physics

Mini Interferometers Offer Impressive Sensitivity

Thu, 2022-09-15 12:00

Author(s): Ryan Wilkinson

A sensor containing thumbnail-sized interferometers might help astronomers detect gravitational waves emitted from certain black hole mergers.


[Physics 15, s121] Published Thu Sep 15, 2022

Categories: Physics

Laser-Accident-Turned-Surgery-Breakthrough Wins Golden Goose

Wed, 2022-09-14 12:00

Author(s): Katherine Wright

A team of physicists and clinicians will today be honored for their development of the bladeless eye surgery technique known as LASIK, an advance partly aided by a lab mishap involving an eye and a laser.


[Physics 15, 141] Published Wed Sep 14, 2022

Categories: Physics

Satellite Confirms the Principle of Falling

Wed, 2022-09-14 12:00

Author(s): Philippe Brax

The MICROSCOPE satellite experiment has tested the equivalence principle with an unprecedented level of precision.


[Physics 15, 94] Published Wed Sep 14, 2022

Categories: Physics

The Equivalence Principle under a <i>MICROSCOPE</i>

Wed, 2022-09-14 12:00

A cartoon illustrates results from the MICROSCOPE satellite mission, which has measured with astronomical sensitivity the falling rate of different objects under gravity.


[Physics 15, 95] Published Wed Sep 14, 2022

Categories: Physics

Strobing Light Shapes Atomic Array

Wed, 2022-09-14 12:00

Author(s): Rachel Berkowitz

An optical tweezer with a stroboscopic twist can trap cold atoms in lattices of all shapes.


[Physics 15, s120] Published Wed Sep 14, 2022

Categories: Physics

Modeling Landslide-Induced Tsunamis

Tue, 2022-09-13 12:00

Author(s): Allison Gasparini

A new model can accurately predict the height of waves created when a cliff collapses into water, allowing for a better evaluation of the threat the incident may pose to local people.


[Physics 15, s129] Published Tue Sep 13, 2022

Categories: Physics

Probing Molecular Magnetism Interferometrically

Mon, 2022-09-12 12:00

Author(s): Peter Hannaford

A matter-wave interferometer can probe the magnetism of a broad range of species, from single atoms to very large, weakly magnetic molecules.


[Physics 15, 137] Published Mon Sep 12, 2022

Categories: Physics

Liquid Crystal Waves

Fri, 2022-09-09 12:00

Author(s): David Ehrenstein

A liquid crystal can support traveling waves that demonstrate a new ability to control the molecules’ orientations.


[Physics 15, 138] Published Fri Sep 09, 2022

Categories: Physics