Physics

Topology sheds new light on synchronization in higher-order networks

Research led by Queen Mary University of London, proposes a novel 'higher-order' Kuramoto model that combines topology with dynamical systems and characterises synchronization in higher-order networks for the first time.

A potential explanation for urban smog

The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days.

A bio-inspired addition to concrete stops the damage caused by freezing and thawing

Concrete is one of the most durable building materials used in modern-day infrastructures, but it has a weakness -- ice -- which can cause it to crumble. Now, inspired by organisms that survive in sub-zero environments, researchers are introducing polymer molecules with anti-freezing abilities into concrete.

Physicists measure a short-lived radioactive molecule for first time

Researchers have combined the power of a super collider with techniques of laser spectroscopy to precisely measure a short-lived radioactive molecule, radium monofluoride, for the first time.

Physicists test titanium target windows for particle beam

In the late 2020s, Fermilab will begin sending the world's most intense beam of neutrinos through Earth's crust to detectors in South Dakota for the international Deep Underground Neutrino Experiment, or DUNE. When the new PIP-II particle accelerator comes online, an intense beam of protons will travel near the speed of light through a series of underground accelerator components before passing through metallic windows and colliding with a stationary target to produce the neutrinos.

Physicists measure a short-lived radioactive molecule for first time

Researchers at MIT and elsewhere have combined the power of a super collider with techniques of laser spectroscopy to precisely measure a short-lived radioactive molecule, radium monofluoride, for the first time.

Scientists announce a 'nuclear' periodic table

Physicists develop a 'nuclear periodic table'. While the traditional table is based on the behavior of electrons in an atom, this new table is based on the protons in the nucleus. Protons have different stable magic numbers, and the table highlights alternative ways to illustrate the laws of nature.

A new scheme for satellite-based quantum-secure time transfer

Researchers at the University of Science and Technology of China have recently introduced a new satellite-based quantum-secure time transfer (QSTT) protocol that could enable more secure communications between different satellites or other technology in space. Their protocol, presented in a paper published in Nature Physics, is based on two-way quantum key distribution in free space, a technique to encrypt communications between different devices.

New type of coupled electronic-structural waves discovered in magnetite

An international team of scientists uncovered exotic quantum properties hidden in magnetite, the oldest magnetic material known to mankind. The study reveals the existence of low-energy waves that indicate the important role of electronic interactions with the crystal lattice. This is another step toward fully understanding the metal-insulator phase transition mechanism in magnetite, and in particular, to learn about the dynamical properties and critical behavior of this material in the vicinity of the transition temperature.

Designing a flexible material to protect buildings, military personnel

Stealth technology, the idea of reducing the ability of the enemy to detect an object, has driven advances in military research for decades. Today, aircraft, naval ships and submarines, missiles and satellites are often covered with radar-absorbent material, such as paint, to hide or cloak them from radar, sonar, infrared and other detection methods. A cloak is a coating material that makes an object indistinguishable from its surroundings or undetectable by external field measurements.

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