Author Archives: rberkowitz

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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Nobel Prize in Physics honors the discovery of a supermassive compact object at the heart of the Milky Way

Posted on December 1, 2020 by rberkowitz

By tracking the orbits of stars close to the galactic center, Reinhard Genzel and Andrea Ghez ruled out all possibilities besides a black hole. Continue reading →

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Climate patterns shape forest wildfire recovery

Posted on November 24, 2020 by rberkowitz

An alternating north–south drought cycle in the western US restricts seedlings’ ability to regenerate after fires. 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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Charges Cascading Along a Molecular Chain

Posted on November 14, 2020 by rberkowitz

Removing one charged molecule from a one-dimensional array causes the others to alternately turn ‘on’ or ‘off,’ paving the way for information transfer in tiny circuits. 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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An Electrical Trigger Fires Single, Identical Photons

Posted on October 8, 2020 by rberkowitz

The precisely controlled photon source, made from an atomically thin semiconducting material, could aid the development of advanced quantum communication. Read more at Berkeley Lab…

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Phosphine detection highlights unknowns of Venus’s atmosphere

Posted on October 2, 2020 by rberkowitz

Modeling, lab work, and perhaps a mission to the planet will be required to understand the chemical reactions that take place within Venus’s hot, dense, oxidizing cloud layers. Read more in Physics Today…

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