visible radiation
91electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …
92Becquerel, Henri — ▪ French physicist Introduction in full Antoine Henri Becquerel born December 15, 1852, Paris, France died August 25, 1908, Le Croisic French physicist (physical science) who discovered radioactivity through his investigations of uranium and… …
93List of military nuclear accidents — This article lists notable military accidents involving nuclear material. Civilian accidents are listed at List of civilian nuclear accidents. For a general discussion of both civilian and military accidents, see nuclear and radiation accidents.… …
94solar cell — a photovoltaic cell that converts sunlight directly into electricity. * * * Any device that directly converts the energy in light into electrical energy through the process of photovoltaics (see photovoltaic effect). Solar cells do not use… …
95spectre — [ spɛktr ] n. m. • 1586; lat. spectrum 1 ♦ Apparition effrayante d un mort. ⇒ fantôme, revenant. « l Hamlet européen regarde des millions de spectres » (Valéry). Par compar. Une pâleur de spectre. ♢ Fig. Ce qui menace. Le spectre de la guerre. «… …
96actinic ray — noun electromagnetic radiation that can produce photochemical reactions • Syn: ↑actinic radiation • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Hyponyms: ↑ …
97Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible …
98Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …
99Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… …
100Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… …
