initial work
41Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… …
42Comics vocabulary — consists of many different techniques and images which a comic book artist employs in order to convey a narrative within the medium of comics. This vocabulary forms a language variously identified as sequential art, graphic storytelling,… …
43Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
44Bartolomeo Cristofori — Photo of a 1726 portrait of Bartolomeo Cristofori. The original was lost in the Second World War. Bartolomeo Cristofori di Francesco (May 4, 1655 – January 27, 1731) was an Italian maker of musical instruments, generally regarded as the inventor… …
45Boden Fortress — Infobox Military Structure name=Boden Fortress location=Boden, Norrbotten, Sweden caption=Rödberget Fort, part of Boden Fortress, seen from the north. The caponier ditch and the armored turrets are clearly visible, as well as the magnificent view …
46History of invasive and interventional cardiology — The history of invasive and interventional cardiology is complex, with multiple groups working independently on similar technologies. While invasive and interventional cardiology is currently closely associated with cardiologists (physicians who… …
47Book of Mormon — This article is about the religious book. For the Broadway musical, see The Book of Mormon (musical). For other uses, see Book of Mormon (disambiguation). Part of a series on …
48Charles Blacker Vignoles — Born 31 May 1793 County Wexford, Ireland Died 17 November 1875(1875 11 17) (aged 82) …
49Jack Abramoff Indian lobbying scandal — The Jack Abramoff Indian lobbying scandal is a United States political scandal relating to the work performed by political lobbyists Jack Abramoff, Ralph E. Reed, Jr., Grover Norquist and Michael Scanlon on Indian casino gambling interests for an …
50List of projects by James Stirling — Complete list of projects by James Stirling and associated architects *Built projects: the first date is year of initial design and the second is year of completion. *Projects marked (C) are competitions.Projects designed under the name of James… …
