Sentences with phrase «on nuclear fusion»

You quote physicist Thomas Klinger saying that lack of progress on nuclear fusion for power generation is simply down to a lack of funding (13 May, p 38).

Lockheed Martin Corp said on Wednesday it had made a technological breakthrough in developing a power source based on nuclear fusion, and the first reactors, small enough to fit on the back of a truck, could be ready in a decade.

Not exact matches

Ivanov's story is just one example of the serendipity involved in this small Canadian company's rise to the forefront of a worldwide race to harness nuclear fusion, a race that has been going on fitfully, consuming tens of billions of mostly public dollars, for more than half a century.

It is a possible fuel for nuclear fusion that could solve energy demand on Earth for 10,000 years, at least.

In the coming series of posts, I'll introduce you to scientists who believe fusion is on par with the development of nuclear power or sending men to the moon, and scientists who think these experiments are a dead - end.

I believe that the sun is powered by the nuclear fusion of hydrogen in to helium, because the spectrum of the emitted light is exactly as predicted by theory and tested by experiment on earth.

Seeing the light, via the Sun, requires that it had nuclear fusion going on at least a million years ago.

Other goals include increased funding for nuclear weapons research; increased research on nanotechnology; space station, moon, and Mars projects at NASA; work on hydrogen fuels; and support for the International Thermonuclear Experimental Reactor (ITER) fusion project.

Nuclear fusion is the energy source that powers the sun; if channeled correctly, it could become a major source of clean energy here on Earth.

Other nuclear scientists are waiting to see how South Korea's new energy policy, due by the end of the year, might affect research, including work on fusion reactors.

For more than a decade, Iranian specialists in nuclear fusion experimented on aging tokamaks and other devices in seclusion, cut off from the global fusion community because of Iran's status as a nuclear pariah.

If enough material, mostly in the form of hydrogen gas, accumulates on the surface of the white dwarf, nuclear fusion reactions can occur and intensify, culminating into a cosmic - sized hydrogen bomb blast.

A laser used to spark nuclear fusion has compressed diamond at unprecedented pressure, giving the first data on how carbon may behave inside giant planets

When we consider thermonuclear fusion, on the other hand, we need to move from the atomic to the nuclear scale.

Because a proton or a neutron is on the order of a million times smaller than an atom, nuclear fission and fusion typically require energies on the order of millions of electron volts (MeV).

An even better long term solution might be to construct some mini-Suns right here on Earth — that's effectively the goal of nuclear fusion research, though practical implementation is still a ways off.

Early on, a number of young scientists set out to replicate the attention - grabbing findings of Martin Fleischmann and Stanley Pons, and many of them did just that: They «verified» that Fleishmann and Pons had succeeded in achieving nuclear fusion by electrolyzing heavy water, he says.

► Iran's agreement on Tuesday to «dismantle large pieces of its nuclear program in exchange for lifting crippling economic sanctions... paves the way for a rapid expansion of scientific cooperation with Iran in areas as diverse as fusion, astrophysics, and cancer therapy using radioisotopes,» Richard Stone wrote that day at ScienceInsider.

An unexpected pattern has been glimpsed in the turbulent solar wind, offering clues for handling plasmas that roil inside nuclear fusion reactors on Earth

As the new year dawned, nuclear fusion researchers in the European Union woke to a new funding system aimed at sharpening their focus on generating energy.

ITER seeks to demonstrate that nuclear fusion — the power source of the sun and stars — can be tamed on Earth to generate electricity.

This is how, half a century ago, John Cockcroft, one of the great nuclear pioneers, began an article in this magazine on the prospects for generating useful energy from nuclear fusion.

A few years ago, DARPA, which prides itself on promoting far - out projects, proposed spending $ 30 million on a «hafnium bomb,» a type of nuclear weapon intended to release energy from atomic nuclei without either fission or fusion, using an approach similar to how energy is extracted from electrons in a laser.

It offers clues for handling plasmas that roil inside nuclear fusion reactors on Earth.

The solution used a new theory based on fluid flow and will help scientists in the quest to create gases with temperatures over a hundred million degrees and harness them to create clean, endless, carbon - free energy with nuclear fusion.

On 23 March 1989, two chemists working at the University of Utah, Stanley Pons and Martin Fleischmann, stunned the world with their claim to have harnessed nuclear fusion — the process that powers the Sun — in a test tube of water at room temperature.

The ability to accurately determine the rate of this H - 17O fusion reaction provides nuclear physicists with another key puzzle piece, alongside direct observations of oxygen elemental and isotopic abundances in stellar atmospheres and in primitive meteorites, to zero in on complete and accurate models of stars.

In his article on the International Thermonuclear Experimental Reactor, Stephen Battersby repeats the claim that nuclear fusion will produce much...

Each of these spinning magnetic storms is the size of Europe, and together they may be pumping enough energy into the solar atmosphere to heat it to millions of degrees — a power that leads one scientist to suggest we could mimic these solar tornadoes on Earth in the quest for nuclear fusion power.

Even if we finally achieve the dream of controlled nuclear fusion on Earth, it will carry an environmental cost

As a white dwarf draws off hydrogen - rich material from a binary companion over millions of years, Gilfanov says, it experiences a steady process of nuclear fusion on its surface that gives off tremendous amounts of radiation.

As a result, one leading national laboratory began to impose mandatory 2 - day - per - month «unpaid holidays» on its science staff, several laboratories began laying off researchers, the U.S. portion of the international program to develop plentiful energy through nuclear fusion was reduced to «survival mode,» America's firms continued to spend three times more on litigation than research, and many young would - be scientists presumably began reconsidering their careers.

As the international ITER project to develop an experimental nuclear fusion reactor eats into research budgets around the world, an advisory panel to the US Department of Energy recommends mothballing at least one of three major experiments and focusing on research necessary to bring ITER online.

The latter might provide an ideal fuel for nuclear fusion reactors to produce enormous amounts of energy on Earth.

ITER (International Thermonuclear Experimental Reactor) is the world's largest experimental nuclear fusion reactor in southern France which aims to deliver nuclear fusion on a commercial scale, offering safe, limitless and environmentally responsible energy.

Researchers from the US and China have made progress in their joint collaboration on the use of lithium to control plasma within experimental nuclear fusion reactors.

Once nuclear fusion of hydrogen becomes the dominant energy production process and the excess energy gained from gravitational contraction has been lost, [9] the star lies along a curve on the Hertzsprung - Russell diagram (or HR diagram) called the standard main sequence.

When the energy released by the nuclear fusion in these giant stars no longer balances the contracting force of gravity, the whole star can suddenly fall in on itself, triggering a cataclysmic explosion.

The library focuses on materials in support of PPPL's research in the fields of plasma physics and controlled nuclear fusion.

At Sandia National Laboratory, Myers works on the Z machine, the world's most powerful pulsed - power facility and x-ray generator, which produces high energy density plasmas that are used to study fusion and the physics of nuclear weapons.

Hannah Willett of Physics at York uses the Binding Blocks chart to explain the process of nuclear fusion, and how creating «mini-suns» on earth could be an important clean energy source for the future.

Brian Wirth, UT - ORNL Governor's Chair for Computational Nuclear Engineering, was nominated by the AAAS section on physics for «advancing knowledge of radiation damage mechanisms and fuel performance in fission and fusion energy via multiscale modeling using high performance computing validated by experiments.»

During the Clinton administration, Dr. Holdren served as a member of PCAST through both terms and in that capacity chaired studies requested by President Clinton on preventing theft of nuclear materials, disposition of surplus weapon plutonium, the prospects of fusion energy, U.S. energy R&D strategy, and international cooperation on energy - technology innovation.

On the one hand, brown dwarfs lack the mass to sustain nuclear fusion in their cores.

Dubbed the compact fusion reactor (CFR), the device is conceptually safer, cleaner and more powerful than much larger, current nuclear systems that rely on fission, the process of splitting atoms to release energy.

«We've shown that the direct - drive method, is on par with other work being done in advancing nuclear fusion research,» said Bose.

On the other hand, «heavy» elements such as carbon and oxygen are synthesized by nuclear fusion reactions in stars.

He has published 328 papers on nuclear physics, neutron transport theory and inertial confinement nuclear fusion.

At the center of the Sun, where its density reaches up to 150,000 kg / m3 (150 times the density of water on Earth), thermonuclear reactions (nuclear fusion) convert hydrogen into helium, releasing the energy that keeps the Sun in a state of equilibrium.

All of the population and economic growth we have seen since 1950 was built on confidence that practical nuclear fusion was only 20 years in the future.