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41One pound (British coin) — This article is about the circulating one pound coin issued since 1983. For earlier coins worth one pound, see Sovereign (British coin), Broad (British coin), Laurel (English coin), and Unite (English coin). One pound United Kingdom Value 1 pound …
42chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
43eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
44physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
45Joint — A joint is the area where two bones are attached for the purpose of motion of body parts. A joint is usually formed of fibrous connective tissue and cartilage. An articulation or an arthrosis is the same as a joint. Joints are grouped according… …
46Flywheel energy storage — NASA G2 flywheel Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. When energy is extracted from the system, the flywheel s rotational speed… …
47Western 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… …
48David Westlake — is a British singer/songwriter. What few people who know and love Westlake and his tiny catologue of terrific tunes usually come from one of three associations. Firstly, Westlake formed indie band the Servants in 1985 in Hayes, Middlesex,… …
49Pacific angelshark — Conservation status Near Threatened ( …
50List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …
