Sentences with phrase «by nuclear fission»

In this case, you're getting something (a higher energy state carbon) for something (energy released by nuclear fission).
We produce neutrons by nuclear fission for use in research.
A short while later, the Europa mission came back to life, when it was linked with an experimental ion propulsion system powered by a nuclear fission reactor, the pet idea of Sean O'Keefe, then NASA's administrator.
[1] Long - lived fission products (LLFPs): Radioactive materials with long half - lives produced by nuclear fission.
Because it is our generation that will benefit from the wealth produced by nuclear fission reactors, all our heirs will receive is our radioactive garbage.

Not exact matches

Meitner's work in elucidating the process of nuclear fission in 1938 is well accepted by her fellow physicists — but Otto Hahn, who won the 1944 Nobel Prize in Chemistry «for his discovery of the fission of heavy nuclei,» barely acknowledged her contribution.
The next danger to avoid is radioactive fallout, a mixture of fission products (or radioisotopes) that a nuclear explosion creates by splitting atoms.
When fast neutrons released by the splitting of atoms (that is, nuclear fission) pass through heavy water, interactions with the heavy water molecules cause those neutrons to slow down, or moderate.
Just how much energy nuclear fission releases is described by Einstein's famous equation E = MC2, where E is energy, M is mass and C the speed of light, about 300 million metres per second.
By far the most rigorously researched of the Tintin stories, it features nuclear fission, the effects of gravitation in space and why meteorites make lunar craters, as well as side references in Professor Calculus's log book to the «constant of solar radiation» and the «limits of the solar spectrum in the ultraviolet».
Many of those scientists were not Americans, though, but immigrants appalled by Hitler and horrified at the prospect that he might acquire a nuclear fission weapon.
Indeed, he has evidence: the speediest drop in greenhouse gas pollution on record occurred in France in the 1970s and «80s, when that country transitioned from burning fossil fuels to nuclear fission for electricity, lowering its greenhouse emissions by roughly 2 percent per year.
All commonly used medical radioisotopes can be produced without using nuclear reactors or enriching uranium, or can be replaced with other isotopes that can be produced without a fission reaction, or by alternative technologies.
Today's nuclear reactors do dramatically better by splitting uranium atoms through fission, but they still fail to extract more than 0.08 percent of their energy.
Some scientists propose creating power sources and electricity by igniting fusion reactions with lasers that trigger nuclear fission that can consume spent nuclear fuel.
The idea remains that fast reactors, which get their name because the neutrons that initiate fission in the reactor are zipping about faster than those in a conventional reactor, could offer a speedy solution to cleaning some nasty nuclear waste, which fissions better with fast neutrons, while also providing electricity as a by - product.
Enriched uranium oxide is formed into rods and water is used both as a coolant, flowing through the reactor core to transfer heat away, and as a moderator, slowing down neutrons released by fission so that they promote further nuclear reactions.
Antineutrinos are a by - product of the fission in a nuclear reactor, in which an atomic nucleus of a radioactive element such as plutonium splits into lighter elements.
For example, the treaty forbids igniting devices based on nuclear fission; Küntzel draws attention to how, just a few weeks after West Germany signed the treaty, a working paper published by the Science and Politics Foundation in Ebenhausen emphasised that research into detonating H - bombs with a laser beam was permitted by the treaty, and should be encouraged.
nuclear power Energy derived from processes that produce heat by splitting apart the nuclei of atoms (fission) or forcing atomic nuclei to merge (fusion).
Although fusion of nuclei lighter than iron released large amounts of nuclear energy (heat), the fusion of nuclei heavier than iron absorbed most of that heat and the heat released by fission and decay.
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.»
Additionally, by engineering FP fusions associated with cellular organelles, scientists have been able to study many cellular processes, including mitosis, mitochondrial fission / fusion, nuclear import, and neuronal trafficking.
Szilard had many ideas about the reactor design, and it was at this time that he actually thought up a name to the «nuclear breeder reactor,» which is supposed to make more fuel than it consumes by bombarding uranium - 238, which does not fission, turning it into plutonium - 239, which does fission.
Okoshi also found inspiration in the work of Mark Toby... Is it reading too much into the relationship of this postwar period and the Japanese - ancestry if not nationality of several of these artists, to offer that Yellow Slow (by Kawabata) is a shape that could have expressed nuclear fission as well as a phenomenon of perception?
Powered by an art market that seems to have achieved nuclear fission — with Christie's record half - billion - dollar auction fresh in memory — and coming on the heels of the Venice Biennale's stellar opening, the fair gathered a city's worth of megacollectors (the Broads, the Horts, the Brants, the Rubells), celebrities (Leonardo DiCaprio, Kanye West, Cate Blanchett), and curators (the New Museum's Massimiliano Gioni, L.A. MOCA's Jeffrey Deitch, the Whitney's Scott Rothkopf).
As here, refuting Jon Kirwan's concern (# 150): «the speediest drop in greenhouse gas pollution on record occurred in France in the 1970s and «80s, when that country transitioned from burning fossil fuels to nuclear fission for electricity, lowering its greenhouse emissions by roughly 2 percent per year.»
I don't think Cosmic Rays were ever as much about it [AGW], as say, what to do about it; if «it» were indeed happening, whether by anthropogenic causes or combinations or other field properties - nuclear power is NOT the way to go; humans will adapt and survive over shorter time periods in climate than over the half - lives of nuclear fission byproducts.
Today's nuclear fission faces great political challenges, largely caused by the same green knuckleheads that are now screaming about carbon dioxide, but taken up by the general public and politicians in many countries.
But there are three other major energy options that need to be considered to help fill this need for non-fossil energy by 2050, one or all of which may end up being more cost effective and thus less harmful to global economic growth: nuclear fission (chapter 7), fusion (chapter 8), and solar power collected in space rather than on Earth's surface (chapter 9).
When powered by cheap virtually unlimited nuclear fission or in future nuclear fusion energy we'd have unlimited liquid transport fuels.
So let's just agree to subtract it out as completely irrelevant to a discussion of thermodynamics, unless the «air» in question is inside the core of a star that is in the peculiar state where it is fusing oxygen and nitrogen or sometimes fissioning them with fast neutrons (the only processes I can think of that might change their baseline mass - energy by altering their strong nuclear interaction energy).
27 Nuclear Reactor Induced Fission Nuclear Reactor Induced Fission Moderator — material surrounding the fuel rods that slows down the neutrons by colliding with it.
The reactor overhead generates hydrogen by neutron - emission followed by neutron - decay to hydrogen, just like nuclear fission reactors.
NUCLEAR ENERGY Heat energy produced by the process of nuclear fission within a nuclear rNUCLEAR ENERGY Heat energy produced by the process of nuclear fission within a nuclear rnuclear fission within a nuclear rnuclear reactor.
Nuclear energy is the energy that is released by the splitting (fission) of the nuclei of atoms.
Damages and losses that incur due to nuclear fission and contamination will not be covered by the car insurance plan.
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