useful cross section
101Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
102Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …
103special function — ▪ mathematics any of a class of mathematical functions (function) that arise in the solution of various classical problems of physics. These problems generally involve the flow of electromagnetic, acoustic, or thermal energy. Different… …
104Electric current — Electromagnetism …
105Wood — Wooden redirects here. For other uses, see Wooden (disambiguation). Heartwood redirects here. For other uses, see Heartwood (disambiguation). This article is about the substance. For small forests, see woodland. For wood as a commodity, see… …
106Survivalism — For other uses, see Survivalism (disambiguation). Survivalism is a movement of individuals or groups (called survivalists or sometimes preppers) who are actively preparing for future possible disruptions in local, regional, national, or… …
107Nuclear reaction — In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, or high energy electron) from outside the atom …
108Neutron capture — Science with Neutrons Foundations Neutron temperature Flux · Radiation  …
109nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …
110photosynthesis — photosynthetic /foh teuh sin thet ik/, adj. photosynthetically, adv. /foh teuh sin theuh sis/, n. Biol., Biochem. (esp. in plants) the synthesis of complex organic materials, esp. carbohydrates, from carbon dioxide, water, and inorganic salts,… …
