Sentences with phrase «power nuclear reactions»

Cosmologists have demonstrated that hydrogen and helium and their stable isotopes like deuterium were all synthesized just minutes after the Big Bang, when the Universe was hot enough to power nuclear reactions.

Eventually, however, the hydrogen fuel that powers the nuclear reactions within stars will begin to run out, and they will enter the final phases of their lifetime.

Not exact matches

The combination of their individual talents — Knight's marketing, Bowerman's commitment to athletic excellence, and Johnson's energetic salesmanship — with the growing national awareness of physical fitness had the power of a nuclear reaction.

Science has created a map that provides a snapshot of the number of nuclear reactors in operation and under construction worldwide, locations of power plants in relation to seismic hazard zones, and reactions to events in Japan in some countries.

From the way the object bent the light, Andrew Gould of Ohio State University in Columbus and colleagues have now found that it is a brown dwarf — a «failed star» with too little mass to sustain the nuclear reactions that power stars.

That force plays a key role in the nuclear reactions that power the sun.

And as with public reaction to nuclear power, more information did little to unite opinions.

A new option for powering the sun appeared in the 1930s when physicists began to understand the energy released in nuclear reactions.

Matter at the core of the «protostar» must pack tightly enough to ignite the nuclear reactions that power all young stars.

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.

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

Germany has also decided to give up nuclear power,» a Jiangmen resident said in a post on the Jiangmen government's page on the popular social networking site Weibo, under registered name of «YOoUuNnGg», in reaction to its decision to scrap the uranium processing project.

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.

Given limited public knowledge about the details of nuclear energy and encumbered access to disaster sites, the media have disproportionate power around the globe to shape public knowledge, perception, and reaction to nuclear crises, Pascale said.

The reported prevalence of post-traumatic stress reactions was higher in Fukushima prefecture, where the damaged nuclear power station was located.

Pound for pound, nuclear explosives — which derive their power from runaway chain reactions in their radioactive fuel — carry about a million times the energy density of chemical explosives.

Advances in computing power and physics have helped him build sophisticated models, spun from hundreds of thousands of lines of computer code, that capture the nuances of the stars» shape while taking into account everything from stars» rotation and nuclear reactions to Einstein's theory of gravity.

When the nuclear reactions that power them run out of fuel, the stars can no longer resist their own intense gravity; they collapse and trigger the massive explosions called supernovae.

Today's nuclear power plants use the heat from uranium fission reactions to do nothing more complicated than boil water, making pressurized steam that spins turbines to generate electricity.

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.

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

Neutrinos and antineutrinos were among the most abundant particles at the time of the Big Bang, and are still generated abundantly today in the nuclear reactions that power stars and in collisions of cosmic rays with Earth's atmosphere.

At around the sixteenth minute, I illustrate my notion of «an inconvenient mind» by recalling the reactions of two leading environmentalists to the nuclear crisis at the Fukushima Daiichi power plants.

Fusion, the nuclear reaction that powers the sun, involves fusing pairs of hydrogen atoms together to form helium, accompanied by enormous releases of energy.

Find out how a nuclear fission reaction allows us to produce this power, and how a nuclear power plant works.

Given the evident concern about nuclear waste, it will be interesting to see if there is any reactions from young people to the governments recent admission that, on current NDA plans, the proposed Geological Disposal Facility (GDF) is not expected to be available to take spent fuel from new nuclear power stations until around 2130, which they note «is approximately 50 years after the likely end of electricity generation for the first new nuclear power station».

Nuclear power plants, however, heat the water using fission reactions, splitting atoms of uranium or plutonium and producing no carbon emissions.

The basic principle behind a nuclear reactor is simple: the heat produced by a controlled nuclear reaction is used to create steam pressure that drives a power - generating turbine.

2011 Reaction to nuclear reactor disaster at Fukushima (Japan) ends hopes for a renaissance of nuclear power.

-- 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.