Sentences with phrase «nuclear fusion reaction»

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.

Understanding this instability is key to some experimental nuclear fusion reactions but it has never been observed for high - frequency radio waves.

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.

Some MACHOs may be neutron stars left behind after supernovae explosions, but most are thought to be tiny failed stars called brown dwarfs which have a mass of less than 8 per cent that of the Sun and are too small to sustain nuclear fusion reactions.

For decades scientists have sought to generate clean energy by instigating the kind of sustained nuclear fusion reactions that power the sun.

A brown dwarf is essentially a failed star, having formed the way stars do through the gravitational collapse of a cloud of gas and dust, but without gaining enough mass to spark the nuclear fusion reactions that make stars shine.

This form of energy is created from nuclear fusion reactions that take place at millions of degrees Celsius, but Mr. Fusion appears to work at room temperature.

Although they are as common as stars and form in much the same way, brown dwarfs lack the mass necessary to sustain nuclear fusion reactions.

Hydrodynamic shock code simulations supported the observed data and indicated highly compressed, hot (106 to 107 kelvin) bubble implosion conditions, as required for nuclear fusion reactions.

Long before descending into scientific infamy, Hoyle made what should have been a lasting contribution with a 1954 Astrophysical Journal paper laying out a process by which stars heavier than 10 suns would burn hydrogen and helium at their cores into heavier elements through a progressively hotter series of nuclear fusion reactions.

The electronlike particles called muons can catalyze nuclear fusion reactions, eliminating the need for powerful lasers or high - temperature plasmas.

An American research team in January discovered a way to initiate nuclear fusion reactions in a process called «fast ignition» by using a high - intensity laser, according to the American Association for the Advancement of Science.

As the star dies, the nuclear fusion reactions stop because the fuel for these reactions gets used up.

These devices heat the plasma to more than 150 million degrees Celsius, simulating the conditions that cause natural nuclear fusion reactions in stars.

Such powerful magnetic fields are required to keep the explosive nuclear fusion reactions contained.

Within the Sun's core, nuclear fusion reactions take place, with hydrogen nuclei being fused into helium nuclei.

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

All stars, including our sun, will eventually run out of the hydrogen gas that fuels the nuclear fusion reactions in their cores.

In this activity students use E = mc2 to calculate the amount of energy released from nuclear fusion reactions in the Sun.

«In the process of undergoing these nuclear fusion reactions, the sun emits large amounts of heat and light.

Researchers at Sandia National Laboratories have announced a breakthrough that could lead to break - even nuclear fusion reactions within 2 - 3 years.

Not exact matches

Aerogel We're One Step Closer to Nuclear Fusion Energy - Wired Science The gold cylinder where fusion reactions take place at NIF.

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

It is barely capable of achieving a detectable nuclear reaction, so fusion is one of the least hazardous parts of this project.

Nuclear fusion, the process that powers our sun, happens when nuclear reactions between light elements produce heavieNuclear fusion, the process that powers our sun, happens when nuclear reactions between light elements produce heavienuclear reactions between light elements produce heavier ones.

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

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.

Achieving fusion — nuclear reactions that have the potential to produce copious, clean energy — requires heating hydrogen fuel to more than 100 million degrees Celsius, causing it to become an ionized gas or plasma.

Fleischmann and Pons said this process could not be caused by any known chemical reaction, and the nuclear reaction term «cold fusion» was attached to it.

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.

The control of nuclear fusion — the reaction that powers stars and hydrogen bombs — would permanently solve the world's energy problems, not to mention a few geopolitical ones.

You have those, you kind of solve a lot of the blanket problems where you have your fusion blast in the center and then it hits a blanket which is basically nuclear waste, depleted waste, and there's a lot of left over energy in that waste; and you have neutrons hit that waste and then that catalyzes further reactions, you get a lot more heat.

Some scientists propose creating power sources and electricity by igniting fusion reactions with lasers that trigger nuclear fission that can consume spent nuclear fuel.

Their aim is to gain a better understanding of thermonuclear reactions and, ultimately, how controlled nuclear fusion, which has proved remarkably elusive so far, could provide an alternative source of electrical energy.

Nuclear reactions (fission and fusion) produce fast neutrons.

And compared to the byproducts of nuclear plants, which remain radioactive for thousands of years, the small amount of radioactive material produced in fusion reactions would remain radioactive for tens of years, Synakowski said.

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.

If students reveal in an interest inventory that they enjoy working with digital media, leverage that interest in a science class by using new media to build content literacy — for example, what about Einstein's greatest hits playlist, a digital story about nuclear fusion, a video game that simulates a chemical reaction, or a web page that illustrates the formation of the earth?

Taylor Wilson, is known as the boy who played with fusion, because at the age of 14 became the 32nd individual on the planet to achieve a nuclear - fusion reaction.

In stars, the nuclear reactions are primarily the fusion of hydrogen nuclei to form helium nuclei.

ENERGY & ENVIRONMENT: Cold fusion / Low Energy Nuclear Reactions.

Fusion remains the holy grail of clean energy research, because the fusion reaction generates new elements that are not radioactive, unlike nuclear fission which leaves us with hazardous fuel wastes that require generations of management.

-- Steve Featherstone — Staying with the power of one — one cold fusion machine, that is — we get a glimpse of the disordered world of low - energy nuclear reaction devices, the perpetuum mobile of our age.

- Experimental studies of various nuclear reactions 2.1989 - 1993 Experiments at PSI (Switzerland): - Experiments on muon catalyzed fusion, muon capture by He3.