2019 Nobel Prize in Physics: Evolution of the universe and discovery of exoplanet orbiting solar-type star


This year's Nobel Prize in Physics is being awarded "for contributions to our understanding of the evolution of the universe and Earth's place in the cosmos," with one half to James Peebles "for theoretical discoveries in physical cosmology" and the other half jointly to Michel Mayor and Didier Queloz "for the discovery of an exoplanet orbiting a solar-type star."

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Molecular nanocarbons with mechanical bonds

Scientists have succeeded in synthesizing molecular nanocarbons with knots and catenanes by using a novel method in which silicon atoms are used. The epoch-making product of this research will pave the way to the development of new nanocarbon materials with complex geometric structures.

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The fast dance of electron spins

Metal complexes show a fascinating behavior in their interactions with light, which for example is utilized in organic light emitting diodes, solar cells, quantum computers, or even in cancer therapy. In many of these applications, the electron spin, a kind of inherent rotation of the electrons, plays an important role. Researchers succeeded in simulating the extremely fast spin flip processes that are triggered by the light absorption of metal complexes.

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Determining the activity of noble-metal-free catalyst particles

Chemists have developed a new method with which they can characterize individual noble-metal-free nanoparticle catalysts. The particles could be a cheap alternative to precious metal catalysts for obtaining hydrogen from water by means of electrolysis.

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Inventing the world's strongest silver

A team of scientists has made the strongest silver ever — 42 percent stronger than the previous world record. It's part of a discovery of a new mechanism at the nanoscale that can create metals much stronger than any ever made before — while not losing electrical conductivity.

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