Author Archives: rberkowitz

Balding Black Holes Lose Their Magnetic Hair

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

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

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

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

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

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

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The Smallest Quantum Computer Yet

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

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

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

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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