Category Archives: APS Physics

Glowing Algae Change Morphology to Avoid Light

Posted on June 26, 2024 by rberkowitz

Bright light triggers the chloroplast of a bioluminescent algae to fold into a pattern that minimizes the chloroplast’s exposed area. Continue reading →

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An Astronomer’s Appeal for Satellite Regulation

Posted on June 18, 2024 by rberkowitz

Samantha Lawler would like to see more done to reduce the detrimental impact of satellites on dark skies, telescope data, and publicly funded research. Continue reading →

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Adding Certainty to Plutonium’s Fission Yield

Posted on June 14, 2024 by rberkowitz

A first-of-its-kind measurement reveals the energy spectrum of the neutrons produced during the fission of plutonium, a common nuclear fuel component. Continue reading →

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Spider-Inspired Microphone Detects Tiny Gusts of Sound

Posted on May 30, 2024 by rberkowitz

A small device senses sounds using a spiderweb-like design—a strategy that could lead to chip-size microphones that are less affected by thermal noise. Continue reading →

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A Better Way to Charge a Quantum Battery

Posted on May 23, 2024 by rberkowitz

Coupling the charger and battery to a common reservoir induces a direct flow of energy into the battery. Continue reading →

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Filamentation Observed in Wakefield Acceleration

Posted on May 7, 2024 by rberkowitz

A particle-beam-generating method—called wakefield acceleration—uses proton bunches, which can fragment into high-density filaments as a result of their interactions with plasma, new experiments show. Continue reading →

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Lithium-Ion “Traffic Jam” Behind Reduced Battery Performance

Posted on April 24, 2024 by rberkowitz

Real-time in situ x-ray observations of new nickel-rich lithium-ion batteries reveal that reduced performance comes from lithium ions getting trapped in the cathode. Continue reading →

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Quantum Machine Learning Goes Photonic

Posted on April 16, 2024 by rberkowitz

Measuring a photon’s angular momentum after it passes through optical devices teaches an algorithm to reconstruct the properties of the photon’s initial quantum state. Continue reading →

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Evidence of a New Subatomic Particle

Posted on April 10, 2024 by rberkowitz

A signal from the decay products of a meson—a quark and an antiquark—comes from two subatomic particles and not one, as previously thought. Continue reading →

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Modeling Tissue Mechanics with Molten Glass

Posted on April 5, 2024 by rberkowitz

A glass studio becomes a physics lab for biophysicists examining the physiological tissue properties of marine microorganisms. Read more in APS Physics…

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