Author Archives: rberkowitz

Balding Black Holes Lose Their Magnetic Hair

Posted on July 28, 2021 by rberkowitz

First-principles plasma simulations show that black holes can’t keep their magnetic fields. Read more in APS Physics… Continue reading →

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Ricocheting Waves Pinpoint an Object’s Location

Posted on July 23, 2021 by rberkowitz

An echo chamber captures small-scale information about an object without the need for up-close probing. Read more in APS Physics…

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Quantum Metasurfaces Entangle Photons on Demand

Posted on July 21, 2021 by rberkowitz

When it’s modulated by laser beams, a surface made of polarizable meta-atoms can entangle a photon’s properties in multiple, controllable ways. Continue reading →

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Leaking oxygen leaves gaps deep within lithium-ion battery electrodes

Posted on July 6, 2021 by rberkowitz

Mapping the structure left behind after oxygen atoms seep from the electrodes could lead to new fixes that improve the batteries’ lifetime. Continue reading →

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Ion Clock Makes Maiden Space Voyage

Posted on July 2, 2021 by rberkowitz

After a year in low Earth orbit, a NASA demo mission proves that an ultraprecise atomic clock retains its stability in space, paving the way for real-time deep space navigation. Read more in APS Physics…

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Macroscopic systems can be controllably entangled and limitlessly measured

Posted on July 1, 2021 by rberkowitz

Two oscillating membranes demonstrate correlations forbidden by classical physics. Continue reading →

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The Smallest Quantum Computer Yet

Posted on June 26, 2021 by rberkowitz

A trapped-ion-based quantum computer that fits in two boxes, each the size of a studio apartment’s shower, can create a fully entangled 24-particle quantum state. Continue reading →

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Optical Fiber Modes Resist Deformations

Posted on June 21, 2021 by rberkowitz

A machine-learning approach quickly characterizes an optical fiber, identifying transmission channels that aren’t affected by deformation. Continue reading →

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An Optical System Defies Conventional Band Theory

Posted on June 11, 2021 by rberkowitz

Squeezed wave functions reshape an open quantum system’s
bulk-boundary properties and generate a new class of parity-time
symmetry. Continue reading →

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Polarized light shows hot gas swirling around a galactic core

Posted on June 1, 2021 by rberkowitz

The images of galaxy Messier 87 provide evidence of magnetic field lines in its innermost region. Those lines likely trace the event horizon of a supermassive black hole. Continue reading →

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