upper-limit position
41Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …
42DOS — This article is about the family of operating systems for IBM PC compatible computers. For other uses, see DOS (disambiguation). FreeDOS screenshot showing the command line interface, directory structure and version information. DOS, short for… …
43Holographic principle — Holographic Universe redirects here. For the album, see Holographic Universe (album). For the book by Michael Talbot, see The Holographic Universe. String theory …
44List of baseball jargon (S) — sabermetrics:Sabermetrics is the analysis of baseball through objective evidence, especially baseball statistics. The term is derived from the SABR – the Society for American Baseball Research. The term was coined by Bill James, an enthusiastic… …
45Newton's theorem of revolving orbits — Figure 1: An attractive force F(r) causes the blue planet to move on the cyan circle. The green planet moves three times faster and thus requires a stronger centripetal force, which is supplied by adding an attractive inverse cube force. The …
46Cougar — This article is about the large cat species. For other uses, see Cougar (disambiguation). Cougar[1] Temporal range: Middle Pleistocene to recent …
47Eyepiece — For the device for looking through a camera, see viewfinder. A collection of different types of eyepieces. An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is… …
48Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …
49Le Sage's theory of gravitation — is the most common name for the kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges Louis Le Sage in 1748. The theory proposed a mechanical explanation for Newton s gravitational force in terms… …
50EN 13537 — (or EN13537) is a European standard designed to standardize the temperature ratings on sleeping bags manufactured and/or sold in Europe. As of the 1st of January 2005 an EN criterion came into effect covering the testing and publication of… …
