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Cutting Commercial Building Energy, Low-Temperature Catalyst, Molecular Sunscreen, and More in the DOE Science News Source

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Cool Power, Stronger Ferromagnets, ADHD Detection, Intelligent Robots, and More in the Engineering News Source

The latest research and features in the Newswise Engineering News Source

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Fusion, Plasma, Tokamak, Iter

PPPL-Led Team Wins Major Award of Time on DOE Supercomputers for Fusion Studies in 2017

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Article describes ALCC allotment of 269.9 million supercomputer hours to study the complex edge region of fusion plasmas.

Science

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plasma jets, capillary discharge, Capillary, Plasma, Energy Density, geometric factors, Lee Li, Jiaming Xiong, Yong Cheng, Mingyang Peng, Yuan Pan, Huazhong University of Science & Technology, Shanghai Jiao Tong University, Review of Scientific Instruments

Getting the Biggest Bang Out of Plasma Jets

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Capillary discharge plasma jets are created by a large current that passes through a low-density gas in what is called a capillary chamber. The gas ionizes and turns into plasma, a mixture of electrons and positively charged ions. When plasma expands in the capillary chamber due to arc energy heating, plasma ejects from the capillary nozzle forming the plasma jet. This week in Review of Scientific Instruments, a new study examines how the dimensions of the capillary producing the plasma affect the jet’s length.

Science

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hot electrons, radiation belts, Van Allen belts, Van Allen Probes, Electromagnetic Waves, Electrostatic, Plasma, J. Hwang, D. K. Shin, P. H. Yoon, W. S. Kurth, B. A. Larsen, G. D. Reeves, D. Y. Lee, Korea Astronomy and Space Science Institute, Korea University of Science and Technology, Chungbuk National University, University Of Maryland, Kyung Hee Univers

Making Waves with the Hot Electrons Within Earth’s Radiation Belts

An international team of scientists recently discovered the role that hot electrons may play in the waves and fluctuations detected by satellites. The research team reports its findings this week in Physics of Plasmas. Their results are based on data collected by the Van Allen Probes, twin robotic spacecraft launched by NASA in 2012 to help scientists better understand these belt regions.

Science

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tokamaks, Lithium, Fusion

U.S.-China Collaboration Makes Excellent Start in Optimizing Lithium to Control Fusion Plasmas

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Feature describes testing different lithium injectors on China's EAST tokamak.

Science

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Nanoscale, visible light, Wavelength, Photonics, Photonic And Electronic Devices, Israel, Light, Nanometrology

Sensing the Nanoscale with Visible Light

New findings show that features more than 100x smaller than the optical wavelength can still be sensed by light. This could pave the way for major new applications in sensing, including measuring nanometric defects in computer chips and photonic devices.

Science

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plasma membrane, lipid cluster, Soybean, membrane structure, plant plasma membranes, soybean model, Simulations, Xiaohong Zhuang, Anna Ou, Jeffery Klauda, The Journal Of Chemical Physics

Similar Lipids Cluster in Soybean Cell Membrane Model

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Researchers have developed a detailed computational model of the soybean plasma membrane that provides new structural insight at the molecular level, which may have applications for studying membrane proteins and may be useful for engineering plants to produce biochemicals, biofuels, drugs and other compounds, and in understanding how plants sense and respond to stressful conditions. The group report their findings this week in The Journal of Chemical Physics.

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Fusion Energy Sciences, Fusion, fusion and plasma sciences, University of California - Berkeley, University Of California At Berkeley, UC Berkeley, Antimatter, Matter, matter-antimatter asymmetry, Hydrogen, Light, Light and matter, Nature (magazine), Universe, cern, Antihydrogen laser physics apparatus, Physics, Physics and Astronomy, Atoms

Shining Light on Antimatter

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Researchers perform first spectroscopic measurements on antihydrogen in pursuit of one of our biggest scientific mysteries: why is there so little antimatter in the universe?

Science

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Fusion Energy Sciences, Fusion, scientific reports, Acta Materialia Inc., Scripta Materialia, ORNL, Nuclear Energy, Fuel Cycles, fusion reactors, Fusion reactor design, fuzz, Fuzzy, Tungsten, tungsten metal, Helium, Materials, materials analysis, Plasma, Damage, Defects in material, Defects in materials , Nanoscience, Material Science, material sciences, fusion e

Understanding Tungsten “Fuzz”

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New work seeks to explain a strange phenomenon occurring in fusion reactor materials.







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