Physics

Understanding catalysts at the atomic level can provide a cleaner environment

By studying materials down to the atomic level, researchers have found a way to make catalysts more efficient and environmentally friendly. The methods can be used to improve many different types of catalysts.

Identifying an initial growth process of calcium phosphate

Korean researchers identified the initial growth process of calcium phosphate, a key component of bones, using 'TOP-MEIS (Time-of-Flight Medium Energy Ion Scattering)'. The research findings differ from existing theories and are expected to be used in research into controlling the growth and characteristics of nanoparticles.

Topology, symmetry and magnetism: Heusler, Weyl and Berry

Scientists have written a review paper about magnetic topological materials in the family of Heusler compounds. The review explains the connection between topology, symmetry and magnetism at a level suitable for undergraduate students in physics, chemistry and materials science with a basic knowledge of condensed matter physics.

Ancient pigment can boost energy efficiency

A color developed by Egyptians thousands of years ago has a modern-day application as well – the pigment can boost energy efficiency by cooling rooftops and walls, and could also enable solar generation of electricity via windows.

Three renowned scientists: Heusler, Weyl and Berry

Scientists at the Max Planck Institute Chemical Physics of Solids have written a review paper about magnetic topological materials in the family of Heusler compounds. The review explains the connection between topology, symmetry and magnetism at a level suitable for undergraduate students in physics, chemistry and materials science with a basic knowledge of condensed matter physics.

The cosmological lithium problem

The international collaborative n_TOF, in which a group of University of Seville researchers participated, has made use of the unique capacities of three of the world's nuclear facilities to carry out a new experiment aimed at finding an explanation of the cosmological lithium problem. This problem is among the still unresolved questions of the current standard description of the Big Bang. The new experimental results, their theoretical interpretations and their implications have been published in Physical Review Letters.

A new path to solving a longstanding fusion challenge

A new design suggests a solution to a longstanding problem for next-generation fusion power plants: how to get rid of excess heat they generate.

Intense microwave pulse ionizes its own channel through plasma

More than 30 years ago, researchers theoretically predicted the ionization-induced channeling of an intense microwave beam propagating through a neutral gas (>103 Pa) -- and now it's finally been observed experimentally.

Ultrafast optical fiber-based electron gun to reveal atomic motions

A new method will enable researchers to directly observe and capture atomic motions at surfaces and interfaces in real time.

NASA to Televise Two Spacewalks, Preview Briefing

Astronauts on the International Space Station will conduct spacewalks Friday, Oct. 19, and Thursday, Oct. 25, to continue power system upgrades, and experts will preview the work during a news conference Tuesday, Oct. 16, at NASA’s Johnson Space Center in Houston.

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