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Researchers find a way to reduce contact resistance with molybdenum disulphide nanosheets

(Phys.org) —A team of researchers with members from Rutgers University and Los Alamos National Laboratory has found a way to get around the problem of metals forming high-resistance when deposited on 2H phase molybdenum disulphide (MoS2). In their paper published in the journal Nature Materials, the team describes how they came up with a process for inducing 2H phase nanosheets to the metallic 1T phase, thereby reducing contact resistance.

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Experts defend operational earthquake forecasting, counter critiques

Experts defend operational earthquake forecasting (OEF) in an editorial published in the Seismological Research Letters (SRL), arguing the importance of public communication as part of a suite of activities intended to improve public safety and mitigate damage from earthquakes. In a related article, Italian scientists detail the first official OEF system in Italy.

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Mixing in star-forming clouds explains why sibling stars look alike

The chemical uniformity of stars in the same cluster is the result of turbulent mixing in the clouds of gas where star formation occurs, according to a study by astrophysicists at the University of California, Santa Cruz. Their results, published August 31 in Nature, show that even stars that don’t stay together in a cluster will share a chemical fingerprint with their siblings which can be used to trace them to the same birthplace.

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Researchers create global road maps showing potential economic and ecological consequences of new…

(Phys.org) —A multinational team of researchers has published a paper in the journal Nature, offering a way towards better global planning for road construction. They highlight the benefits of road building along with detriments and include maps of the world they’ve constructed that indicate where road building would be economically beneficial, where it would be ecologically harmful and where it would be both

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Picturing Schrodinger’s cat: Quantum physics enables revolutionary imaging method

Researchers from the Institute for Quantum Optics and Quantum Information (IQOQI), the Vienna Center for Quantum Science and Technology (VCQ), and the University of Vienna have developed a fundamentally new quantum imaging technique with strikingly counterintuitive features. For the first time, an image has been obtained without ever detecting the light that was used to illuminate the imaged object, while the light revealing the image never touches the imaged object.

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Yale journal explores advances in sustainable manufacturing

In recent years, increasing pressure from policymakers, consumers, and suppliers has prompted manufacturers to set environmental targets that go beyond reducing the pollutants they emit from their smokestacks or discharge into rivers and lakes. Today companies must also assess environmental performance at every step in their process, from the mining of primary materials to the use and recycling of their products.

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Scientists fabricate defect-free graphene, set record reversible capacity for Co3O4 anode in Li-ion…

(Phys.org) —Graphene has already been demonstrated to be useful in Li-ion batteries, despite the fact that the graphene used often contains defects. Large-scale fabrication of graphene that is chemically pure, structurally uniform, and size-tunable for battery applications has so far remained elusive

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Is Hawaii prepared for the impacts of climate change?

The Hawaiian Islands represent a wide diversity of ecosystems and environments, including areas of breathtaking natural beauty as well as densely populated coastal cities. These unique environments are already changing under the influence of climate change from the effects of increasing temperatures, decreasing rainfall, rising seas, coastal erosion, land use and development changes, and increasing demands on our natural resources

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Meteorite study indicates volcanic activity on early small asteroids

(Phys.org) —Examination of one of the Almahata Sitta meteorites (aka, ALM-A, found in Sudan in 2008) by a team of space scientists working in Germany has revealed a volcanic past. In their paper published in Proceedings of the National Academy of Sciences, the team describes how they dated the meteorite to just a few million years after our solar system was born and uncovered evidence that it suggests it was produced by volcanic activity.

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ITAR-TASS claims Russian cosmonauts have found sea plankton on outside of International Space…

The Russian news agency ITAR-TASS is claiming that Russian officials have confirmed that Russian cosmonauts have found sea plankton on the outside of the International Space Station. The news agency reports that the cosmonauts have also found traces of other organisms on the outside of the station as well.

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