second member of equation
81Time in physics — In physics, the treatment of time is a central issue. It has been treated as a question of geometry. One can measure time and treat it as a geometrical dimension, such as length, and perform mathematical operations on it. It is a scalar quantity… …
82chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …
83UNITED NATIONS (UN) — UNITED NATIONS (UN), a worldwide organization of states established in 1945, in the wake of World War II, with a view, primarily, to maintain international peace and security and also bring about cooperation among nations in the economic, social …
84Photosynthesis — Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and vegetation …
85Robert A. Heinlein — Heinlein signing autographs at the 1976 Worldcon Born July 7, 1907(1907 07 07) Butler, Missouri, United States Died …
86Siméon Denis Poisson — Infobox Scientist box width = 300px name = Siméon Poisson image size = 200px caption = Siméon Denis Poisson (1781 1840) birth date = 21 June 1781 birth place = Pithiviers, France death date = 25 April 1840 death place = Sceaux, France residence …
87Exponential growth — The graph illustrates how exponential growth (green) surpasses both linear (red) and cubic (blue) growth.   Exponential growth …
88Ayreon — Infobox musical artist Name = Ayreon Background = group or band Genre = Rock opera Progressive metal Progressive rock Symphonic metal Folk metal Origin = Netherlands Years active = 1995 ndash;present Label = Transmission, InsideOut, Century Media …
89Trajectory of a projectile — In physics, the ballistic trajectory of a projectile is the path that a thrown or launched projectile will take under the action of gravity, neglecting all other forces, such as friction from air resistance, or propulsion under the influence of… …
90List of Torchwood characters — The following is a list of characters in the BBC science fiction television series Torchwood, including supporting characters, and important human villains. Main articles Captain Jack Harkness Main article: Jack Harkness Captain Jack Harkness,… …
