Examlex
Viagra can be considered a man-made nitric oxide.
Gas Centrifuges
Devices used in the uranium enrichment process that rapidly spin gas to separate isotopes, particularly to increase the percentage of uranium-235 for use in nuclear reactors or weapons.
Uranium Isotope
Variants of the element uranium that contain the same number of protons but different numbers of neutrons in their nuclei, with different isotopes having different nuclear properties.
Radioactive Material
Substances that emit radiation as a result of the spontaneous disintegration of atomic nuclei.
Strip Mines
Large, open-pit mines where layers of soil and rock are removed to access underlying minerals.
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