United Nations Atomic Energy Commission
United Nations Atomic Energy Commission: see disarmament, nuclear.
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Atomic Clock , Atomic clocks are the world's most accurate time keepers—more accurate than astronomical time or quartz clocks. Originally, a second was defined as 1… Atomic , a·tom·ic / əˈtämik/ • adj. of or relating to an atom or atoms: the atomic nucleus. ∎ Chem. (of a substance) consisting of uncombined atoms rather tha… Tritium , Tritium
Tritium is an isotope of the chemical element hydrogen (H). It has not only a single proton but also two neutrons in the nucleus of its atoms… Atom , atom •hansom, ransom, Ransome, transom •Wrexham • sensum • Epsom • jetsam •lissom • winsome • gypsum • alyssum •blossom, opossum, possum •flotsam • a… Nuclear Fission , Following the discovery of the neutron in the early 1930s, nuclear physicists began bombarding a variety of elements with neutrons. Enrico Fermi in I… Radioactivity , Radioactivity is the emission of radiation by unstable nuclei. That radiation may exist in the form of subatomic particles (primarily alpha and beta…
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United Nations Atomic Energy Commission
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United Nations Atomic Energy Commission