continuous freezing apparatus
51History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… …
52emotion — emotionable, adj. emotionless, adj. /i moh sheuhn/, n. 1. an affective state of consciousness in which joy, sorrow, fear, hate, or the like, is experienced, as distinguished from cognitive and volitional states of consciousness. 2. any of the… …
53moss animal — bryozoan. [1880 85] * * * ▪ invertebrate Introduction also called bryozoan, any member of the phylum Bryozoa (also called Polyzoa or Ectoprocta), in which there are about 5,000 extant species. Another 15,000 species are known only from… …
54radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
55science, philosophy of — Branch of philosophy that attempts to elucidate the nature of scientific inquiry observational procedures, patterns of argument, methods of representation and calculation, metaphysical presuppositions and evaluate the grounds of their validity… …
56MythBusters (2008 season) — Country of origin Australia United States No. of episodes 20 (includes 8 specials) Broadcast Original channel Discovery Channel …
57work — /wɜk / (say werk) noun 1. exertion directed to produce or accomplish something; labour; toil. 2. that on which exertion or labour is expended; something to be made or done; a task or undertaking. 3. productive or operative activity. 4. manner or… …
