Author: Patricia DeLacey
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Molten salt reactors: A new testing facility improves pump shaft seals
A rare, long-duration experiment tested a circumferential graphite bushing seal under conditions representing a molten salt reactor for 2,300 hours.
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X-pinch plasma achieves radial proton acceleration for crisp imaging
Plasma pinches: From pursuits of nuclear fusion to an attractive point source of accelerated protons for proton radiography.
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Mobile VPN security is not as strong as advertised
A new VPN auditing framework, MVPNalyzer, found many popular Android VPNs transmit sensitive data without encryption, some leak traffic and most fail to protect user IDs.
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Detecting neutron sources by borrowing inference tools from cosmology
A Bayesian approach that identifies neutron sources with high confidence from sparse data could improve radiation detectors for nuclear security and non-proliferation.
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Smarter diagnostics could extend the lives of silicon EV batteries
A new battery management system uses everyday charging data to diagnose when silicon is most vulnerable, helping guide smarter battery temperature control to protect it.
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Air quality: rainfall history matters as much as where the air came from
A 19-year ‘goldmine’ of cloud and rainwater samples collected from a New Hampshire mountain provides fresh insights about air pollution.
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Organic glass scintillators: A Q&A with Sara Pozzi
The radiation detection material stands to improve nuclear security by clearly distinguishing radiation types from a safe distance.
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Better helium reporting to improve fission and fusion materials modeling
Helium generation predictions vary by as much as 200%, a new standardized reporting method can help move the field forward.
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Key structures to metallic glass stability revealed with machine learning
Using the second-nearest neighboring atoms to predict metallic glass stability can help researchers more accurately model the disordered solid with strong, elastic properties.
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Modeling particles reveals soil density impact on surface fault ruptures
The discrete element method models tens of millions of distinct particles to help understand this rare earthquake hazard and inform resilient civil engineering design.
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Ultrashort laser pulses achieve stronger photoemission
A new theoretical study finds shorter laser pulses achieve higher quantum efficiency for photoemission from a solid surface without increasing power or intensity.
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A hardware-software co-design to efficiently run AI on edge devices
Adjusting state space models to work with a compute-in-memory architecture demonstrated energy-efficient processing of continuous event sequences.