Physics

Cannibalistic materials feed on themselves to grow new nanostructures

Scientists have induced a two-dimensional material to cannibalize itself for atomic 'building blocks' from which stable structures formed. The findings provide insights that may improve design of 2-D materials for fast-charging energy-storage and electronic devices.

Hunting for dark quarks

Quarks are the smallest particles that we know of. In fact, according to the Standard Model of particle physics, which describes all known particles and their interactions, quarks should be infinitely small. If that's not mind-boggling enough, enter dark quarks – hypothetical particles that have been proposed to explain dark matter, an invisible form of matter that fills the universe and holds the Milky Way and other galaxies together.

Device harvests energy from low-frequency vibrations

A wearable energy-harvesting device could generate energy from the swing of an arm while walking or jogging, according to a team of researchers from Penn State's Materials Research Institute and the University of Utah. The device, about the size of a wristwatch, produces enough power to run a personal health monitoring system.

The potential harbingers of new physics persist in LHC data

For some time now, researchers have noted several anomalies in the decays of beauty mesons in the data coming in from the LHCb experiment at the Large Hadron Collider. Are they more than just statistical fluctuations? The latest analysis, taking into account so-called long-distance effects in the decays of particles, increases the probability that the anomalies are not an error in the measuring techniques.

NASA Awards Contract for Earth Science Mission Hosting Services

NASA has awarded a contract to General Atomics of San Diego, California, for services required to host the agency’s Multi-Angle Imager for Aerosols (MAIA) instrument on a commercial satellite in low-Earth orbit.

NASA Awards Contract to Upgrade Launch Pad Fuel System for World’s Largest Rocket

NASA has awarded a contract to Precision Mechanical, Inc., in Cocoa, Florida, for the manufacture, fabrication and installation of upgrades to the Liquid Hydrogen (LH2) System at Launch Complex 39B at NASA’s Kennedy Space Center in Florida.

Using physics to predict crowd behavior

Electrons whizzing around each other and humans crammed together at a political rally don't seem to have much in common, but researchers are connecting the dots. They've developed a highly accurate mathematical approach to predict the behavior of crowds of living creatures, using methods originally developed to study large collections of quantum mechanically interacting electrons.

Scientists predict superelastic properties in a group of iron-based superconductors

Researchers have computationally predicted a number of unique properties in a group of iron-based superconductors, including room-temperature super-elasticity.

Fruit flies and electrons: Researchers use physics to predict crowd behavior

Electrons whizzing around each other and humans crammed together at a political rally don't seem to have much in common, but researchers at Cornell are connecting the dots.

Media Invited to News Conference with NASA Astronaut Anne McClain and Space Station Crewmates

NASA astronaut Anne McClain, along with her crewmates, David Saint-Jacques of the Canadian Space Agency and Oleg Kononenko of the Russian space agency Roscosmos, will discuss their upcoming mission to the International Space Station in a news conference at 2 p.m. EDT Thursday, Sept. 6, at NASA’s Johnson Space Center in Houston.

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