Category Archives: APS Physics

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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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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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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Light Pulses Change Speed in a Plasma

Posted on May 24, 2021 by rberkowitz

Interactions between two laser beams in a plasma allow for precise
control over the light’s velocity. Continue reading →

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Do Merging Dwarf Galaxies Explain a Peculiar Gravitational-Wave Detection?

Posted on May 11, 2021 by rberkowitz

The hard-to-explain masses of two coalescing black holes could be accounted for if they were the central black holes in two distant, tiny galaxies that merged. Continue reading →

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Linking Glaciers on Earth to the Climate on Mars

Posted on April 30, 2021 by rberkowitz

Geophysicist Jack Holt explains how Earth’s debris-covered glaciers can teach us about the climate history of Mars. Continue reading →

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