Sentences with phrase «nuclear reactions at»

Nuclear reactions at the core of stars provides enough energy to make them shine brightly for many years.

An appreciation and sharing of Thomas F. Darden's speech on low energy nuclear reaction at The 19th International Conference on Condensed Matter Nuclear Science, Padua, Italy, April 13, 2015 LEARN MORE

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.

Should the earth and all its resident populations be devoured this evening by a chain reaction of nuclear holocausts, must that too be in at least partial accord with God's aim at «universal intensity of satisfaction?»

When I was producing the film about Old Sturbridge Village — this was the point at which the film bug and the history bug sort of fused, like a nuclear reaction.

(Reuters)- Government scientists have not been able to replicate a chemical reaction suspected of causing a radiation leak at a U.S. nuclear waste dump in New Mexico, complicating efforts to understand what went wrong, a U.S. Energy Department official said Friday.

After Szilárd fled the Nazis, he made his way to England and then New York, where he worked at Columbia University on ways to create a nuclear chain reaction, an idea he had conceived while waiting at a stoplight in London a few years earlier.

At the same time, new questions have emerged, and there's still a lot to learn about the basic nuclear properties that drive the chain reaction and its impact on energy production here on Earth and elsewhere in our universe.

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

The team has produced the first nuclear physics reactions driven solely by laser light, Cowan reported here yesterday at a meeting of the American Physical Society.

Using a rare isotope beam created at NSCL, the team determined the last unknown nuclear - reaction rate affecting the production of aluminum - 26 in classical novae.

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.

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.

DENVER — Ecosystems kilometers underground seem to thrive on food made via nuclear reactions, according to research presented here 14 February at the meeting of the American Association for the Advancement of Science, which publishes ScienceNOW.

But direct measurements of these nuclear reactions are extremely difficult because they occur at a tiny rate in the laboratory.

At the same time, these nuclear reactions change the composition of the matter in the stellar interior.

Such experiments are extremely difficult because the nuclear reactions occur at a tiny rate and their signal is overwhelmed by the environmental background radiation.

According to Isao Tanihata, head of the Linearc Laboratory at Japan's Institute of Physical and Chemical Research, the answer is that more boron was created than theorists expected because of a nuclear reaction between lithium and helium in the big bang fireball.

They ascribe the discrepancies to radiation from nuclear reactions still taking place at the centre of the Earth.

Over a 10 - year period from 1989, US navy labs ran more than 200 experiments to investigate whether nuclear reactions generating more energy than they consume — supposedly only possible inside stars — can occur at room temperature.

Traveling at nearly the speed of light, the charged particles produced by the nuclear reactions would fly out of the back end of the craft, propelling it beyond the solar system.

The nuclear reactions that result from this gas mixing produce a large supply of neutrons that are captured by the nuclei of heavy elements such as iron to make Sr and Y. Chiappini and her colleagues found that the best way to explain the pattern of abundances they had observed was to apply a stellar model involving a spinning velocity of 500 kilometers per second at the surface.

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.

Standard solar models predict both the temperature at the Sun's core and the number of neutrinos generated by the nuclear reactions there.

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.

So Fermi went back to Columbia and reported, «There's just no interest in this at all,» which only drove Szilard to be madder and more determined to find ways to understand the nuclear chain reaction.

Therefore, at least some carbon isotopes had to be produced or consumed, and that implies nuclear reactions.

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.

I asked the Nuclear Regulatory Commission to provide some details on what's been found, and then asked for a reaction from David A. Lochbaum, director of the Nuclear Safety Project at the Union of Concerned Scientists.

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 plantAt 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 plantat the Fukushima Daiichi power plants.

I'll be writing much more about this issue, as I promised when I recently explored the starkly different reactions from two prominent environmentalists to the still - unfolding events at the Fukushima Daiichi nuclear complex.

My idea of a thriller novel, with at least the plot potential of State Of Fear, has for years been a group of rogue scientists who drill down to near the magma of a volcano on a remote Indonesian island and drop a nuclear bomb down there to break things loose and start a real volcanic reaction — leaving us with lots of sulfates in the atmosphere.

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.

I try to imagine what the reaction would be if physicists in another (non-climate) area — say, quantum computing — were to hold a conference, and physicists from yet another area — let's say, high - energy nuclear physics — were to show up at their conferences and tell them, without having read up carefully on quantum computing, and lacking the knowledge to make substantive criticisms of the mainstream views in that field (beyond, perhaps, superficial ones that had already been exhaustively addressed and refuted in the quantum computing literature), that they had it all wrong.

While nuclear energy is regarded as the lesser of the two evils when compared at an emission level to the burning of fossil - fuels, it may trump on the containment of the heat process, which burns in a contained nuclear reactor through an in - ward heat - chemical reaction called fission, but nuclear energy production is a chain from uranium mining to the toxic waste disposal and therefore as an entire process is an equally high risk environmental option.

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

Burning fossil fuels and creating nuclear reactions to generate electricity come at high costs — politically, environmentally, and to human health.

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

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