Physics

Creating a non-radiating source of electromagnetism

An international team of researchers has developed a way to create non-radiating sources of electromagnetism. In their paper published in the journal Physical Review Letters, the group describes their technique and how well it worked when they tested a model based on their ideas.

Physics model explains the overall shape of two rubble-pile asteroids

Scientists from the Okinawa Institute of Science and Technology Graduate University (OIST) and Rutgers University have used simple concepts from granular physics to explain the curious diamond shapes of two "near Earth" asteroids.

New theory for detecting light in the darkness of a vacuum

Black holes are regions of space-time with huge amounts of gravity. Scientists originally thought that nothing could escape the boundaries of these massive objects, including light.

Researchers obtain new results on knockout reactions at HIRFL-CSR

Researchers from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) and their collaborators have systematically measured the knockout cross sections of neutron-rich carbon isotopes at the intermediate- to high-energy region by using the External Target Facility (ETF) of the Cooler Storage Ring (CSR) at the Heavy Ion Research Facility in Lanzhou (HIRFL).

Researchers reveal a novel metal where electrons flow with fluid-like dynamics

A team of researchers from Boston College has created a new metallic specimen where the motion of electrons flows in the same way water flows in a pipe—fundamentally changing from particle-like to fluid-like dynamics, the team reports in Nature Communications.

Why Haven’t Humans Reached Mars?

Our neighboring planet only sits 34 billion miles away, so what’s the big hold up?

The first experimental realization of a dissipative time crystal

A time crystal is a unique and exotic phase of matter first predicted by the American physicist Frank Wilczek in 2012. Time crystals are temporal analogs of more conventional space crystals, as both are based on structures characterized by repeating patterns.

Surprise result for solid state physicists hints at unusual electron behavior

While studying the behavior of electrons in iron-based superconducting materials, researchers observed a strange signal relating to the way electrons are arranged. The signal implies a new arrangement of electrons the researchers call a nematicity wave, and they hope to collaborate with theoretical physicists to better understand it. The nematicity wave could help researchers understand the way electrons interact with each other in superconductors.

Putting a new theory of many-particle quantum systems to the test

New experiments using trapped one-dimensional gases -- atoms cooled to the coldest temperatures in the universe and confined so that they can only move in a line -- fit with the predictions of the recently developed theory of 'generalized hydrodynamics.'

Nano ‘camera’ made using molecular glue allows real-time monitoring of chemical reactions

Researchers have made a tiny camera, held together with 'molecular glue' that allows them to observe chemical reactions in real time.

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