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Author Archives: rberkowitz
Spider-Inspired Microphone Detects Tiny Gusts of Sound
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
A Cleaner Way to Produce Ammonia
New research reveals how a surprising catalyst can help to efficiently convert nitrogen into useful products under ambient conditions. Continue reading
Posted in Berkeley Lab
Tagged Berkeley Lab, Catalysis, Chemistry, Materials Sciences
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A Better Way to Charge a Quantum Battery
Coupling the charger and battery to a common reservoir induces a direct flow of energy into the battery. Continue reading
Posted in APS Physics
Tagged APS Physics, Batteries, Energy Conversion and Storage, Quantum Mechanics
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Icy Secrets
Oddly shaped bubbles tell a frozen story. Continue reading
Nanofluidic memristors compute in brain-inspired logic circuits
By connecting two memristors that uses changes in ion concentrations and mechanical deformations to store information, researchers have created the first logic circuit based on nanofluidic components. Continue reading
Posted in Physics World
Tagged Computer Science, Fluid Dynamics, Mechanics, Physics World
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Meet HELIX, the High-Altitude Balloon That May Solve a Deep Cosmic Mystery
Every now and then, tiny particles of antimatter strike Earth from cosmic parts unknown. A new balloon-borne experiment launching this spring may at last find their source. Continue reading
Posted in Scientific American
Tagged Astrophysics, Cosmology, Particle Physics, Physics, Scientific American
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Filamentation Observed in Wakefield Acceleration
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
Lithium-Ion “Traffic Jam” Behind Reduced Battery Performance
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
Quantum Machine Learning Goes Photonic
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
Rachel Berkowitz 