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61Alchemy — Alchemist redirects here. For other uses, see Alchemist (disambiguation). For other uses, see Alchemy (disambiguation). Page from alchemic treatise of Ramon Llull, 16th century Alchemy is an influential philosophical tradition whose early… …
62Second law of thermodynamics — The second law of thermodynamics is an expression of the universal law of increasing entropy, stating that the entropy of an isolated system which is not in equilibrium will tend to increase over time, approaching a maximum value at… …
63Pebble bed reactor — Sketch of a pebble bed reactor in Italian …
64Smoke screen — For the Transformers character, see Smokescreen (Transformers) A smoke screen is a release of smoke in order to mask the movement or location of military units such as infantry, tanks, aircraft or ships.It is most commonly deployed in a canister …
65Energy — This article is about the scalar physical quantity. For other uses, see Energy (disambiguation). Energetic redirects here. For other uses, see Energetic (disambiguation) …
66Cosmology — The Hubble Ultra Deep Field. Every speck of light in this image is an entire galaxy. This is just a small region of a Universe which could contain as many as 200 billion galaxies. Cosmology is the discipline that deals with the nature of the… …
67List of rock instrumentals — The following is a list of rock instrumentals, including live performances and drum solos, organized by artist name. 0 9 =3= *Bramfatura =311= * Blizza * Cali Soca * Color ( Transistor ) * Dreamland ( Enlarged to Show Detail 2 ) * Old Funk *… …
68Seven rays — The Seven Rays is a metaphysical concept that has appeared in several religions and esoteric philosophies since at least the sixth century BCE, in both Western culture and in India. In the west, it can be seen in early western mystery traditions… …
69atomism — atomist, n. atomistic, atomistical, adj. atomistically, adv. /at euh miz euhm/, n. 1. Also called atomic theory. Philos. the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter. 2. Psychol. a …
70environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
