nuclear

(adjective)

In neuroanatomy, a nucleus is a brain structure consisting of a relatively compact cluster of neurons.

Related Terms

  • lateral geniculate nucleus
  • medial geniculate nucleus
  • thalamus

Examples of nuclear in the following topics:

  • The Iranian Nuclear Deal

  • Nuclear Proliferation

  • Nuclear Weapons

    • The proliferation of nuclear weapons, explosive devices which derive force from nuclear reactions, is a key challenge of foreign policy.
    • The proliferation of nuclear weapons, explosive devices which derive their destructive force from nuclear reactions (either fission or a combination of fission and fusion), is an important challenge of foreign policy.
    • By the 1960s, steps were being taken to limit both the proliferation of nuclear weapons to other countries and the environmental effects of nuclear testing.
    • The Partial Test Ban Treaty (1963) restricted all nuclear testing to underground facilities, to prevent contamination from nuclear fallout, while the Nuclear Non-Proliferation Treaty (1968) attempted to place restrictions on the types of activities signatories could participate in, with the goal of allowing the transference of non-military nuclear technology to member countries without fear of proliferation.
    • Identify the history of nuclear weapons and international efforts to regulate them
  • Nuclear Size and Density

    • Nuclear size is defined by nuclear radius; nuclear density can be calculated from nuclear size.
    • Nuclear size is defined by nuclear radius, also called rms charge radius.
    • It can be measured by the scattering of electrons by the nucleus and also inferred from the effects of finite nuclear size on electron energy levels as measured in atomic spectra.
    • Nuclear density is the density of the nucleus of an atom, averaging about $4 \cdot 10^{17} \text{kg/}\text{m}^3$.
    • The nuclear density for a typical nucleus can be approximately calculated from the size of the nucleus:
  • Binding Energy and Nuclear Forces

    • Nuclear force is the force that is responsible for binding of protons and neutrons into atomic nuclei.
    • The nuclear force is the force between two or more component parts of an atomic nuclei.
    • Nuclear force is responsible for the binding of protons and neutrons into atomic nuclei.
    • Binding energy is the energy used in nuclear power plants and nuclear weapons.
    • These nuclear forces are very weak compared to direct gluon forces ("color forces" or "strong forces") inside nucleons, and the nuclear forces extend over only a few nuclear diameters, falling exponentially with distance.
  • The Nuclear Arms Race

    • The nuclear arms race was a competition for supremacy in nuclear warfare between the United States and the Soviet Union during the Cold War.
    • The nuclear arms race was a competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War .
    • The goal of this assembly was to eliminate the use of all Nuclear weapons.
    • The Soviets' proposal involved universal nuclear disarmament.
    • Summarize the nuclear arms race between the U.S. and the Soviet Union
  • Nuclear Weapons

    • A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions—either fission, fusion, or a combination.
    • A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion.
    • Only two nuclear weapons have been used in the course of warfare, both by the United States near the end of World War II.
    • In addition, it is also widely believed that Israel possesses nuclear weapons (though they have not admitted to it).
    • The first nuclear weapons were gravity bombs, such as this "Fat Man" weapon dropped on Nagasaki, Japan.
  • Nuclear Fission in Reactors

    • Nuclear reactors convert the thermal energy released from nuclear fission into electricity.
    • Nuclear fission is a nuclear reaction in which the nucleus of an atom splits into smaller (lighter) nuclei.
    • This is known as a nuclear chain reaction.
    • Nuclear safety involves the actions taken to prevent nuclear and radiation accidents or to limit their consequences.
    • An induced nuclear fission event.
  • Nuclear Reactors

    • A nuclear reactor is a piece of equipment in which nuclear chain reactions can be harnessed to produce energy in a controlled way.
    • The energy released from nuclear fission can be harnessed to make electricity with a nuclear reactor.
    • A nuclear reactor is a piece of equipment where nuclear chain reactions can be controlled and sustained.
    • However, nuclear reactors produce nuclear waste containing radioactive elements.
    • Describe the nuclear chain reaction process utilized in most nuclear reactors
  • Nuclear Fission

    • Nuclear fission occurs when an atom splits into two or more smaller atoms, most often the as the result of neutron bombardment.
    • Nuclear fission is a process by which the nucleus of an atom is split into two or more smaller nuclei, known as fission products.
    • The strong nuclear force is the force between two or more nucleons.
    • In atoms with small nuclei, the strong nuclear force overpowers the electromagnetic force.
    • As the nucleus gets bigger, the electromagnetic force becomes greater than the strong nuclear force.
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