root cylinder
41Stoned (computer virus) — Stoned is the name of a boot sector computer virus created in 1987, apparently in New Zealand. [cite journal url=http://catless.ncl.ac.uk/Risks/9.9.html#subj6 title=Marijuana Virus wreaks havoc in Australian Defence Department journal=The Risks… …
42Angle trisection — The problem of trisecting the angle is a classic problem of compass and straightedge constructions of ancient Greek mathematics.Two tools are allowed # An un marked straightedge, and # a compass, Problem: construct an angle one third a given… …
43List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …
44Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
45List of North American Volkswagen engines — Volkswagen does not have engine families in the same way most other manufacturers do. Engines are commonly known by their name only, and Volkswagen has been known to apply many different codes to seemingly identical engines.DieselIndirect… …
46technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
47LNER Gresley Classes A1 and A3 — Disambiguation: LNER Class A1, LNER Thompson Class A1/1, LNER Peppercorn Class A1 LNER Gresley Classes A1 and A3[ …
48Kilogram — Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler …
49Stele (biology) — In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost …
50Contact mechanics — Continuum mechanics …
