Physics

Researchers catalog defects that give 2D materials amazing properties

A new theoretical framework predicts the kinds of holes that can form in two-dimensional materials like graphene. The work could help in the design of new filtration and desalination devices or new quantum computing and communications systems.

Topological quantities flow

Topology is an emerging field within many scientific disciplines, even leading to a Nobel Physics Prize in 2016. Leiden physicist Marcello Caio and his colleagues have now discovered the existence of topological currents in analogy to electric currents. Their research is published in Nature Physics.

5000 times faster than a computer

The absorption of light in semiconductor crystals without inversion symmetry can generate electric currents. Researchers have now generated directed currents at terahertz (THz) frequencies, much higher than the clock rates of current electronics. They show that electronic charge transfer between neighboring atoms in the crystal lattice represents the underlying mechanism.

Here's how origami could be used to shape the future of engineering

Folding a paper crane is a slow, methodical process. So is unfolding an array of solar panels in space.

Big Bang query: Mapping how a mysterious liquid became all matter

The leading theory about how the universe began is the Big Bang, which says that 14 billion years ago the universe existed as a singularity, a one-dimensional point, with a vast array of fundamental particles contained within it. Extremely high heat and energy caused it to inflate and then expand into the cosmos as we know it—and, the expansion continues to this day.

5000 times faster than a computer—interatomic light rectifier generates directed electric currents

The absorption of light in semiconductor crystals without inversion symmetry can generate electric currents. Researchers at the Max Born Institute have now generated directed currents at terahertz (THz) frequencies, much higher than the clock rates of current electronics. They show that electronic charge transfer between neighboring atoms in the crystal lattice represents the underlying mechanism.

Fast serves don't make sense – unless you factor in physics

The serve is arguably the most important component of the modern tennis game – and the faster, the better.

New findings bring physicists closer to understanding the formation of planets and stars

Down a hallway in the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), scientists study the workings of a machine in a room stuffed with wires and metal components. The researchers seek to explain the behavior of vast clouds of dust and other material that encircle stars and black holes and collapse to form planets and other celestial bodies.

New method facilitates study of the effects of chemicals on DNA

University of Arkansas physics researchers have developed a simple, cost-effective method to study the effects of chemicals on DNA which has potential to improve the development and testing of life-saving treatments.

Saving energy by taking a close look inside transistors

Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have developed a simple yet accurate method for finding defects in the latest generation of silicon carbide transistors. This will speed up the process of developing more energy-efficient transistors in future. They have now published their findings in Communications Physics.

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