Physics

Radium revealed: 120 years since the Curies found the most radioactive substance on the planet

Scientific discovery can be achingly slow, but it was moving swiftly in the 1890s. X-rays had been discovered in Germany just a few days before Christmas in 1895. Several months later, while researching these new X-rays, the French physicist Henri Becquerel accidentally discovered another new mysterious type of ray when he detected radiation emitting from uranium.

Scientists find a way to connect quantum and classical physics

Physicists from Skoltech have invented a new method for calculating the dynamics of large quantum systems. Underpinned by a combination of quantum and classical modeling, the method has been successfully applied to nuclear magnetic resonance in solids. The results of the study were published in Physical Review B.

Physics instructor writes book on shock waves

A sonic boom and a thunderclap may seem like different phenomena, but their behavior is the same, according to SDState Physics Instructor W. Robert Matson. This is one of the ways he explains shock waves in "Sonic Thunder," his latest book.

Proton scattering reveals the secrets of strongly-correlated proton-neutron pairs in atomic nuclei

The nuclear force that holds protons and neutrons together in the center of atoms has a non-central component—the tensor force, which depends on the spin and relative position of the interacting particles.

GlueX completes first phase

An experiment that aims to gain new insight into the force that binds all matter together has recently completed its first phase of data collection at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility.

System monitors radiation damage to materials in real-time

A new system allows detailed real-time observations of how materials are affected by a high-radiation environment. The system could accelerate the development of better materials for nuclear plants.

Correlation between the structure and magnetic properties of ceramics

A team of Immanuel Kant Baltic Federal University (BFU) together with an international scientific group has studied a correlation between the structure of ceramic materials based on bismuth ferrite (BiFeO3) and their magnetic properties. In their work, the scientists determined the factors that affect structural evolution of materials and changes in their magnetic behavior. The work will help create new ceramic materials with given properties. The article was published in the Journal of Physics and Chemistry of Solids.

Adventures in phase space: Unified map on plastic and elastic glasses

Glasses are an enigma among solid phases. Like crystalline solids they are hard, but unlike crystals they are amorphous on the molecular scale. Because of this structural disorder, each piece of glass is technically out of equilibrium, and unique. As a result, its properties depend not only on its chemical ingredients, but on how it was cooled.

Machine learning to predict and optimise the deformation of materials

Researchers at Tampere University of Technology and Aalto University taught machine learning algorithms to predict how materials stretch. This new application of machine learning opens new opportunities in physics and possible applications can be found in the design of new optimal materials. The study has been published in the prestigious journal Nature Communications.

Massive new dark matter detector gets its 'eyes'

The LUX-ZEPLIN (LZ) dark matter detector, which will soon start its search for the elusive particles thought to account for a majority of matter in the universe, had its first set of "eyes" delivered Thursday.

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