Sentences with phrase «nuclear fusion in»

An all - electric economy may never be possible without earthbound nuclear fusion in portable configurations.

JI: So the nuclear fusion in stars can only make the elements up to iron.

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

Betelgeuse can be likened to an enormous «boiling» ball of gas heated by the release of energy from nuclear fusion in its core.

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.

Objects smaller than 13 Jupiter masses can not sustain any kind of nuclear fusion in their cores, so Zapatero Osorio and her colleagues believe they should be called planets.

In 2002 Rusi Taleyarkhan, then at Oak Ridge National Laboratory, claimed to have triggered nuclear fusion in these bubbles; in 2006 he published a second report of successful bubble fusion.

The Homestake experiment detects the high - energy neutrinos that are produced by two minor branches of the «proton - proton chain», the process of nuclear fusion in which sets of four protons combine to make nuclei of helium - 4.

It spends much of its time monitoring the light from around 60 of the nearest ultracool dwarf stars and brown dwarfs («stars» which are not quite massive enough to initiate sustained nuclear fusion in their cores), looking for evidence of planetary transits.

The team, from Australia and the US, calculated the star's mass from the abundance of the cobalt isotopes created by nuclear fusion in the supernova.

This week in Science (p. 1868), scientists claim to have seen evidence for nuclear fusion in a beaker of organic solvent.

This movement is largely a reincarnation of cold fusion, the short - lived, quickly dismissed phenomenon from the late 1980s of achieving nuclear fusion in a simple benchtop electrolysis device.

Using a compact but powerful laser to heat arrays of ordered nanowires, CSU scientists and collaborators have demonstrated micro-scale nuclear fusion in the lab.

Nuclear fusion in stars and supernovae is the primary process by which new natural elements are created.

Because all elements in the universe heavier than hydrogen, helium, and lithium have been forged by nuclear fusion in the cores of stars and then scattered into space by supernova explosions, the find indicates that the galaxy, at the age we're now observing it, was old enough for at least one generation of stars to have formed, lived, and died.

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.

Among the moon's vast riches: gold, cobalt, iron, palladium, platinum, tungsten and helium - 3, a gas that can be used in future fusion reactors to provide nuclear power without radioactive waste.

This radioactive isotope of hydrogen is only manufactured in nuclear power plants and would cost any fusion generator $ 100 million per week.

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.

The bulk of the session, in which Musk shared the stage with Y Combinator head Sam Altman, was far - ranging and bizarre, twisting from nuclear fusion versus fission to Mars colonization.

Recent developments in IFE safety and tritium research and considerations for future nuclear fusion facilities

Helion Energy, located in Redmond, Washington, believes they are only a few years away from creating nuclear fusion that can be used as a source for electricity.

Another crucial debate topic: Are there points of light in a fixed firmament, or are there balls of gas undergoing nuclear fusion grouped into galaxies in an expanding universe.

We don't need to create a new star in order know that they are fueled by nuclear fusion.

In 1931 he gave specific figures about nuclear fusion as a source of energy far superior to nuclear fission.

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.

Soon we will be able to control the health and perhaps the genetic makeup of children with the aid of genetic screening, genetic engineering, nuclear transplantation, egg fusion, cloning, selective abortion and in utero fetal surgery.

After earning an undergraduate degree from the University of Connecticut, Chang Díaz enrolled as a graduate student in applied plasma physics at MIT, where he began research in nuclear fusion.

This «quarksplosion» would be an even more powerful subatomic analog of the individual nuclear fusion reactions that take place in the cores of hydrogen bombs.

Among the main ingredients is helium - 3 (He - 3), a vestige of the Big Bang and nuclear fusion reactions in stars.

For instance, they were involved in debunking cold fusion in 1991, which was a hypothetical nuclear reaction that could occur around room temperature.

In the 1950s, deuterium was used in thermonuclear weapons because nuclear fusion of deuterium atoms (or of deuterium and the heavier hydrogen isotope, tritium) releases tremendous energIn the 1950s, deuterium was used in thermonuclear weapons because nuclear fusion of deuterium atoms (or of deuterium and the heavier hydrogen isotope, tritium) releases tremendous energin thermonuclear weapons because nuclear fusion of deuterium atoms (or of deuterium and the heavier hydrogen isotope, tritium) releases tremendous energy.

PANCAKES have been getting in the way of nuclear fusion: the process comes unstuck when fuel pellets end up spread out flat.

For less massive stars like the Sun the process that brings them into existence is quite well understood — as clouds of gas are pulled together under gravity, density and temperature increase, and nuclear fusion begins)-- but for the most massive stars buried in regions like RCW 106 this explanation does not seem to be fully adequate.

Nuclear fusion of heavy elements (absorbing energy) occurs in the extremely high - energy conditions of supernova explosions.

Stars are powered by nuclear fusion, converting hydrogen into helium in their cores.

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.

NIF has three purposes: To further our basic understanding of stars, to determine how the United States» aging nuclear weapons are holding up without engaging in underground testing, and to explore the enormous potential of nuclear fusion power plants.

These two stars are still very young — so young that nuclear fusion has not yet been triggered in their cores.

THE massive ITER reactor currently being built in southern France is nuclear fusion's great hope — but it won't harness the power of the stars until 2026 at the earliest.

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.

Could these conditions initiate or facilitate nuclear fusion, as suggested in the recent movie «Chain Reaction»?

Of course, our immediate response is that we are still six orders of magnitude too small in energy, and there is no possibility for nuclear fusion from sonoluminescence.

The physics winner was Hans Rinderknecht; his performance at the Massachusetts Institute of Technology (MIT) in Cambridge explained how he uses light to trigger nuclear fusion.

They are abundantly produced in supernova explosions, star - powering nuclear fusion and other nuclear processes, resulting in trillions of neutrinos passing through us every minute.

But Michael Skrutskie, a University of Virginia astronomer and a member of the WISE science team, is especially interested in the satellite's ability to pick out previously unknown brown dwarfs, objects larger than planets but too small to sustain nuclear fusion of hydrogen.

Although nuclear fusion may ignite in the star's core, it never kicks in at full blast; the mass of the star and thus its internal pressure are just too small.

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.

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.

When the head of the Atomic Energy Commission at the time, Lewis Strauss, infamously quipped in 1954 that electricity would become «too cheap to meter,» he was likely referring to nuclear fusion, not nuclear fission, the atom - splitting reaction that powers conventional nuclear power plants today.