energy barrier
71tunneling — tun·nel·ing (tŭnʹə lĭng) n. In quantum mechanics, the passing of a particle through a seemingly impenetrable barrier without a cause that is explainable by classical physics. * * * or barrier penetration In physics, the passage of a particle… …
72enzyme — /en zuym/, n. Biochem. any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. Cf. ase. [1880 85; < MGk énzymos leavened (Gk… …
73Feasibility Study (The Outer Limits) — Infobox Television episode Title = Feasibility Study Series = The Outer Limits Caption = Season = 3 Episode = 17 Airdate = 11th July, 1997 Production = 61 Writer = Joseph Stefano Director = Ken Girotti Photographer = Guests = David McCallum as… …
74Eyring , Henry — (1901–1981) Mexican–American physical and theoretical chemist Eyring, a grandson of American missionaries who had become Mexican citizens, was born at Colonia Juarez in Mexico. He thus first came to America in 1912 as a Mexican citizen and did… …
75Conformational isomerism — Conformers of butane, shown in Newman projection. The two gauche as well as the anti form are staggered conformations In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted exclusively by… …
76List of Mobile Fighter G Gundam characters — This is a list of characters featured in the Japanese anime television series Mobile Fighter G Gundam (機動武闘伝Gガンダム, Kidō Butōden Jī Gandamu?, Mobile Fighting Legend G Gundam) and subsequent spin offs. Contents …
77List of Tengen Toppa Gurren Lagann mecha — nihongo|Gunmen|ガンメン|Ganmen are the main type of mecha used in the anime series Tengen Toppa Gurren Lagann .The name itself means face/facade (顔面 ガンメン Face Surface), and can be broken down into gun and man mdash; unsurprisingly, the mecha… …
78Nucleation — Not to be confused with Microtubule nucleation . Nucleation is the extremely localized budding of a distinct thermodynamic phase. Some examples of phases that may form via nucleation in liquids are gaseous bubbles, crystals or glassy regions.… …
79Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
80Thermionic emission — Closeup of the filament on a low pressure mercury gas discharge lamp showing white thermionic emission mix coating on the central portion of the coil. Typically made of a mixture of barium, strontium and calcium oxides, the coating is sputtered… …
