oklo phenomenon
11Natural nuclear fission reactor — Geological situation in Gabon leading to natural nuclear fission reactors 1. Nuclear reactor zones 2. Sandstone 3. Uranium ore layer 4. Granite A natural nuclear fission reactor is a uranium deposit where analysis of isotope ratios has shown that …
12Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …
13Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
14Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
15Nuclear physics — For other uses, see Nuclear Physics (disambiguation). Nuclear physics Radioactive decay Nuclear fission Nuclear fusion …
16Timeline of cosmology — This timeline of cosmological theories and discoveries is a chronological catalog of the evolution of humankind s understanding of the cosmos over the last two plus millennia. Modern cosmological conceptions follow the development of the… …
17List of environmental topics (N) — This is a list of environmental topics. They relate to the effect of human activity on the environment.N*(Nagasaki and Hiroshima: see) atomic bombings of Hiroshima and Nagasaki *nanotechnology (see under Potential risks) *nanotoxicity *NASA Clean …
- 1
- 2
