Sentences with phrase «plasma physicist in»

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The physicists calculated that tiny fibers called «fractals,» because they look the same when viewed at different scales, can trap electrons dislodged from the interior surfaces by other electrons zooming in from the plasma.

The data may be quite important for another reason, says Philippe Escoubet, a plasma physicist at the European Space Agency (ESA) in Noordwijk, Netherlands.

Over lunch in the staff cafeteria, theoretician John Ellis explains that this idea has already fallen out of fashion, mainly because that theory supposed to be a quark - gluon plasma smooth, disconnected gas, but earlier this year, physicists at Brookhaven National Laboratory caught a glimpse of the quark - gluon plasma and discovered that it looks much more like a thick, viscous liquid.

Until then, physicists will scour Petawatt's data for clues about how so - called relativistic plasmas behave in space.

«This study is an incremental step toward a fuller understanding of turbulence,» said physicist Stewart Zweben, lead author of the research published in the journal Physics of Plasmas.

That time scale of a few minutes fits well with models of the circuit's behavior, says plasma physicist Goran Marklund of the Royal Institute of Technology in Stockholm, Sweden.

The New Calculus Other physicists, meanwhile, are employing string theory methodologies in their study of extreme matter states — from the intensely hot plasmas produced in particle colliders to materials created in laboratories at temperatures close to absolute zero.

A computer code used by physicists around the world to analyze and predict tokamak experiments can now approximate the behavior of highly energetic atomic nuclei, or ions, in fusion plasmas more accurately than ever.

The new capability, developed by physicist Mario Podestà at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by instabilities in the plasma that fuels fusion reacPlasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by instabilities in the plasma that fuels fusion reacplasma that fuels fusion reactions.

He explains the extent to which physicists» understanding of the mechanisms governing turbulent transport in such high - temperature plasmas has been critical in improving the advances towards harvesting fusion energy.

Physicists found in the 1980s that toroidally shaped plasmas of the tokamak type offer a path to low turbulence thanks to their ability to self - organise.

Theoretical physicists Dam Thanh Son and Andrei Starinets, for example, collaborated on an idea that used black hole math to predict the viscosity of an ultrahot gas, or plasma, that forms in certain particle collider experiments.

Although the notion of the plasma antenna has been knocked around in labs for decades, Ted Anderson, president of Haleakala Research and Development — a small firm in Brookfield, Mass. — and physicist Igor Alexeff of the University of Tennessee — Knoxville have recently revived interest in the concept.

Researchers led by space physicist Chuanfei Dong of the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) and Princeton University have recently raised doubts about water on — and thus potential habitability of — frequently cited exoplanets that orbit red dwarfs, the most common stars in the Milky Way.

«There has been some diplomatic pushing and shoving behind the scenes,» says Dale Meade, a physicist emeritus with the U.S. DOE's Princeton Plasma Physics Laboratory in New Jersey.

He is an experimental plasma physicist with interests in the basic physics of plasma confinement and configuration optimization.

The goal of fusion physicists is to use the heat from a fusing plasma to keep the reaction going indefinitely, without the need to pump in external energy.

«We have made, by far, the most precise extraction to date of a key property of the quark - gluon plasma, which reveals the microscopic structure of this almost perfect liquid,» says Xin - Nian Wang, physicist in the Nuclear Science Division at Berkeley Lab and managing principal investigator of the JET Collaboration.

Director Holzworth is a plasma physicist who is interested in what happens in the outer edges of the atmosphere.

Physicists running a competing experiment at the CERN lab outside Geneva announced that they had created such a plasma in 2000.

Storms on the sun catapult charged particles into space at tremendous speeds, says plasma physicist Ruth Bamford of the Rutherford Appleton Laboratory in Didcot, England.

James Chen, a plasma physicist at the Naval Research Laboratory in Washington, D.C., says that predicting the future might not be so simple.

Solar physicist Bart De Pontieu of the Lockheed Martin Solar and Astrophysics Laboratory in Palo Alto, California, and his colleagues report in the 7 January issue of Science that they can trace jets of plasma, or ionized gas, rising into the corona.

«This new way of looking at burning plasma physics allowed us to understand this previously impenetrable problem,» said Mr Qu, a theoretical physicist in ANU Research School of Physics and Engineering.

Shi developed the paper with assistance from co-authors Nat Fisch, director of the Program in Plasma Physics and professor and associate chair of astrophysical sciences at Princeton University, and Hong Qin, a physicist at PPPL and executive dean of the School of Nuclear Science and Technology at the University of Science and Technology of China.

2 Fusion On Tap Plasma physicist Eric Lerner has a dream: a form of nuclear energy so clean it generates no radioactive waste, so safe it can be located in the heart of a city, and so inexpensive it provides virtually unlimited power for the dirt - cheap price of $ 60 per kilowatt — far below the $ 1,000 - per - kilowatt cost of electricity from natural gas.

Plasma physicist Michael Keidar, director of the George Washington Institute for Nanotechnology in Washington, D.C., and his colleagues have a five - year, $ 445,000 grant to investigate the physical effects of plasma on thePlasma physicist Michael Keidar, director of the George Washington Institute for Nanotechnology in Washington, D.C., and his colleagues have a five - year, $ 445,000 grant to investigate the physical effects of plasma on theplasma on the body.

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have helped develop a new computer model of plasma stability in doughnut - shaped fusion machines known as tokPlasma Physics Laboratory (PPPL) have helped develop a new computer model of plasma stability in doughnut - shaped fusion machines known as tokplasma stability in doughnut - shaped fusion machines known as tokamaks.

In 1942, Swedish physicist and engineer Hannes Alfvén predicted the existence of a new type of wave due to magnetism acting on a plasma, which led him to obtain the Nobel Prize for Physics in 197In 1942, Swedish physicist and engineer Hannes Alfvén predicted the existence of a new type of wave due to magnetism acting on a plasma, which led him to obtain the Nobel Prize for Physics in 197in 1970.

«Novel plasma jet offshoot phenomenon explains blue atmospheric jets: Physicists identify mysterious right - angle side - jet occurring off the plasma arc in air at ambient pressure conditions.»

«The interesting thing about our ideas on mass separation is that it is a form of magnetic confinement, so it fits well within the Laboratory's culture,» said physicist Nat Fisch, co-author of the paper and director of the Princeton University Program in Plasma Physics.

New research indicates that understanding the combined heating shows how we could improve the production of fusion in ITER and other next - generation fusion facilities — a key finding of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), the DIII - D National Fusion Facility that General Atomics operates for the DOE, and other collaborators.

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has Plasma Physics Laboratory (PPPL) has found.

«So, the question was whether lithium will have the same effect on tungsten walls as it does with carbon walls,» said PPPL physicist Rajesh Maingi, lead author with Jiansheng Hu of the Institute of Plasma Physics at the Chinese Academy of Sciences (ASIPP) of a paper describing the results in the journal Nuclear Fusion.

The award honors Katherine Weimer, a pioneering research physicist at the Princeton Plasma Physics Laboratory at Princeton University, and was established by DPP to recognize and encourage outstanding achievement in plasma science research by a woman physicist in the early years of her cPlasma Physics Laboratory at Princeton University, and was established by DPP to recognize and encourage outstanding achievement in plasma science research by a woman physicist in the early years of her cplasma science research by a woman physicist in the early years of her career.

Deeply involved in the new 15 - week run are PPPL physicists Sam Lazerson and Novimir Pablant, who are spending two years at the Max Planck Institute of Plasma Physics in Greifswald, Germany.

A combination of PPPL modeling led by physicist Gerrit Kramer and DIII - D experiments has found that broadening the electric current in the center of plasma could reduce the loss of crucial elements called alpha particles that heat the plasma and sustain fusion reactions.

In a potentially major advance, physicists at PPPL and the DIII - D National Fusion Facility that General Atomics operates for the DOE have discovered a way to reduce the loss of heat and particles from fusion plasmas.

Also selected to participate in Cori's NERSC Exascale Science Applications Program (NESAP) is the PPPL - led M3D - CI, an extended magnetohydrodynamics (MHD) code focused on simulation of plasma disruptions led by physicist Stephen Jardin, with support from physicists Joshua Breslau, Nate Ferraro and Jin Chen.

Physicist Sam Lazerson of the US Department of Energy's Princeton Plasma Physics Laboratory has teamed with German scientists to confirm that the Wendelstein 7 - X fusion energy device called a stellarator in Greifswald, Germany, produces high - quality magnetic fields that are consistent with their complex design.

The plaque is mounted in the NSTX - U Control Room where physicists, engineers, and technologists control the pulses of plasma that create fusion reactions.

The cause, according to a theory advanced by PPPL physicist David Gates and colleagues at the Laboratory, lies in the tendency of bubble - like islands that form in the plasma that fuels fusion reactions to shed heat and grow exponentially — a runaway growth that disrupts the crucial current that completes the magnetic field that holds the plasma together.

Schweickhard «Schwick» von Goeler, an award - winning physicist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) for more than 35 years and the inventor of numerous X-ray diagnostics used in fusion experiments worldwide, died of leukemia on Dec. 6 in Springfield, Massachusetts.

This kind of theory - experiment comparison has evolved over the decades, and now theoretical physicists like PPPL's C.S. Chang use complex computer simulations to predict fluctuations in the plasma that can inhibit fusion reactions, Synakowski said.

PPPL postdoctoral fellow Ammar Hakim, center, described his poster on unified methods for simulating plasmas to physicists Steve Cowley, left, director of the Culham Centre for Fusion Energy in the United Kingdom and a member of the PPPL Advisory Committee; and Frank Jenko of the Max Planck Institute for Plasma Physics in Germany.

While he was still in graduate school, Zarnstorff and physicist Stewart Prager, a former PPPL director who was then his thesis advisor, discovered a phenomenon called the «bootstrap current» that helps to control the plasma in fusion experiments.

Physicists Luis Delgado - Aparicio and Egemen Kolemen of the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have won a national scientific competition to conduct a full day of experiments on the DIII - D National Fusion Facility that General Atomics operates in San Diego for the DOE.

Francis «Rip» William Perkins Jr., a pioneering plasma physicist whose contributions to the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) ranged from seminal advances in fusion energy and astrophysical research to the education of a generation of scientists, died on July 26 in Boulder, plasma physicist whose contributions to the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) ranged from seminal advances in fusion energy and astrophysical research to the education of a generation of scientists, died on July 26 in Boulder, Plasma Physics Laboratory (PPPL) ranged from seminal advances in fusion energy and astrophysical research to the education of a generation of scientists, died on July 26 in Boulder, Colo..

Ronald C. Davidson, a pioneering plasma physicist for 50 years who directed the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) during a crucial period of its history and was a founding director of the Plasma Fusion Center at the Massachusetts Institute of Technology (MIT), passed away on May 19 at his home in Cranbury, New Jersey, due to complications from pneuplasma physicist for 50 years who directed the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) during a crucial period of its history and was a founding director of the Plasma Fusion Center at the Massachusetts Institute of Technology (MIT), passed away on May 19 at his home in Cranbury, New Jersey, due to complications from pneuPlasma Physics Laboratory (PPPL) during a crucial period of its history and was a founding director of the Plasma Fusion Center at the Massachusetts Institute of Technology (MIT), passed away on May 19 at his home in Cranbury, New Jersey, due to complications from pneuPlasma Fusion Center at the Massachusetts Institute of Technology (MIT), passed away on May 19 at his home in Cranbury, New Jersey, due to complications from pneumonia.

The first contribution to the experiment made by PPPL physicists and engineers was designing and delivering the five massive 2,400 - pound trim coils that fine - tune the shape of the plasma in fusion experiments.