to be thrown out in one's calculations
71Armenian Genocide — Armenian civilians are marched to a nearby prison i …
72Fictitious force — Classical mechanics Newton s Second Law History of classical mechanics  …
73chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
74rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
75On the Origin of Species — Origin of Species redirects here. For other uses, see Origin of Species (disambiguation). On the Origin of Species   …
76Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …
77New Math — For the Bo Burnham song, see Bo Burnham (album). New Mathematics or New Math was a brief, dramatic change in the way mathematics was taught in American grade schools, and to a lesser extent in European countries, during the 1960s. The name is… …
78Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the …
79Great fire of Newcastle and Gateshead — [ Handcoloured woodblock engraving from the Illustrated London News, 14th October 1854] The Great fire of Newcastle and Gateshead was a tragic and spectacular series of events starting on Friday 6 October 1854, in which a substantial amount of… …
80existentialism — existentialist, adj., n. existentialistic, adj. existentialistically, adv. /eg zi sten sheuh liz euhm, ek si /, n. Philos. a philosophical attitude associated esp. with Heidegger, Jaspers, Marcel, and Sartre, and opposed to rationalism and… …
