adjusting needle
31electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
32physical 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… …
33Canada's Worst Driver 5 — Format Reality television Developed by Proper Television Presented by Andrew Younghusband Narrated by Andrew Younghusband …
34Dashpot timer — The first automatic timer, the dashpot timer has been used in many different machines and has many variations. Pneumatic, hydraulic action, and mercury displacement timers. Being used in a variety of things such as printing presses, motors, and… …
35Origin of AIDS — False color scanning electron micrograph of HIV 1, in green, budding from cultured lymphocyte. AIDS is caused by the Human immunodeficiency virus (HIV), which originated in non human primates in Sub Saharan Africa and was transferred to humans… …
36ECONOMIC HISTORY — This article is arranged according to the following outline: first temple period exile and restoration second temple period talmudic era muslim middle ages medieval christendom economic doctrines early modern period sephardim and ashkenazim… …
37Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …
38Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
39Surfboard — For other meanings see Surfboard (disambiguation). A stack of boards in Waikiki during a surf competition …
40Medical analysis of circumcision — Numerous medical studies have examined the effects of male circumcision with mixed opinions regarding the benefits and risks of the procedure. Opponents of circumcision say it is medically unnecessary, is unethical when performed on newborns, is… …
