Sentences with phrase «nuclear fission reactions»

a) the creation of matter and antimatter out of light b) the collapse of the stellar core into a neutron star c) runaway nuclear fission reaction d) runaway thermonuclear reaction

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

Not exact matches

Sometimes, a few seconds after the fission occurs in a nuclear chain reaction, additional neutrons are released.

For one thing, there's a chance that enough plutonium could congregate to trigger a nuclear chain reaction, or criticality — the self - sustaining cascade of atomic fission that releases massive amounts of energy.

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.

In addition to neutrons, the fission reaction of nuclear fuels like plutonium or uranium releases antineutrinos.

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.

Energy dissipation is a key ingredient in understanding many physical phenomena in thermodynamics, photonics, chemical reactions, nuclear fission, photon emissions, or even electronic circuits, among others.

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.

To prevent a runaway reaction, an ax wielder stood ready to literally chop the rope, which would drop the control rods and stop nuclear fission if a meltdown was imminent — so literally safety control rod ax man.)

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

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.

Control rods will drop down into the reactor core if necessary to stop the nuclear fission chain reaction directly (see also Question 6).

The exceptional scientific and technical abilities of the HRIBF staff and instrumentation enabled ground - breaking achievements including the first measurement with a reaccelerated unstable beam in North America, the first acceleration of neutron - rich fission fragments leading to the confirmation of the doubly magic nature of the heavy tin isotope 132Sn, pioneering experiments on the giant quadrupole resonance in nuclei, and dramatic new insights into numerous nuclear reactions that drive the evolution of the cosmos.

Nuclear reactors need to cool fuel as they undergoes the fission chain reaction.

Nuclear reactions (fission and fusion) produce fast neutrons.

To illustrate chain reactions in nuclear fission, a table filled with mousetraps represents the atoms and pingpong balls stand in for the new neutrons created from the split.

Content includes description of background radiation, description and animation of nuclear fission and diagram explaining how this leads to a chain reaction.

In nuclear reactors the control rods and fission poisons (like boron in the fuel rods) absorb neutrons to prevent a runaway reaction.

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.

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

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.