Category Archives: APS Physics

A Vortex in an Egg Cell

Posted on January 16, 2021 by rberkowitz

During a fruit-fly egg cell’s early development, its internal fluid begins to swirl in a vortex—a transition caused by the coordinated behavior of elastic filaments in the cell. Continue reading →

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Ultrabright Photons for Single-Chip Quantum Devices

Posted on January 1, 2021 by rberkowitz

A microcavity-based source of photon pairs achieves one hundred times the efficiency of state-of-the-art devices. Read more in APS Physics…

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A 2D Metal Compound Shows a Superconducting Surprise

Posted on December 10, 2020 by rberkowitz

A cesium-rich “kagome” metal is both a topological insulator and a superconductor, making it a compelling material for future quantum technologies. Continue reading →

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Pulses of Light Accelerate in Free Space

Posted on December 6, 2020 by rberkowitz

A recipe for greatly accelerating a light pulse involves sculpting its
spectrum in space and time. Continue reading →

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AI Tools Boost Simple Technologies in a Shared World

Posted on November 19, 2020 by rberkowitz

Bicycles and indoor lighting are among many everyday features that can benefit from recent advances in artificial intelligence. Continue reading →

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Active Particles Map to Passive Random Walks

Posted on November 13, 2020 by rberkowitz

Researchers make systems of self-propelled particles produce the same large-scale dynamics as passive-particle systems. Continue reading →

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A Tune for Lowering Lattice Friction

Posted on November 3, 2020 by rberkowitz

Placing an acoustic source on a sample could eliminate the energy dissipation caused by atomic defects moving through the solid. Continue reading →

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Toward a Perfect Single-Photon Source

Posted on October 15, 2020 by rberkowitz

Semiconductor quantum dot emits photons that are squeezed below the fundamental noise limit. Continue reading →

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Quantum Simulations of Curved Space

Posted on September 10, 2020 by rberkowitz

A heptagonal-lattice superconducting circuit, and the mathematics thatdescribe it, provide tools for studying quantum mechanics in curvedspace. Read more in APS Physics…

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Finding Flow in Granular Media

Posted on August 24, 2020 by rberkowitz

A new model can predict how packed particles move through both 2D and 3D channels. Continue reading →

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