filter-paper analysis
61Global warming controversy — refers to a variety of disputes, significantly more pronounced in the popular media than in the scientific literature,[1][2] regarding the nature, causes, and consequences of global warming. The disputed issues involve the causes of increased… …
62John von Neumann — Von Neumann redirects here. For other uses, see Von Neumann (disambiguation). The native form of this personal name is Neumann János. This article uses the Western name order. John von Neumann …
63Noam Chomsky — Chomsky redirects here. For other topics with the same name, see Chomsky (disambiguation). Noam Chomsky Noam Chomsky visiting Vancouver, Canada in 2004 …
64Electrocardiogram — An electrocardiogram (ECG or EKG, abbreviated from the German Elektrokardiogramm ) is a noninvasive transthoracic graphic produced by an electrocardiograph, which records the electrical activity of the heart over time. Its name is made of… …
65Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …
66environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
67Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
68MPEG-1 — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid …
69Biodiesel — This article is about transesterified lipids. For hydrogenated alkane renewable diesel, see Vegetable oil refining. For biomass and organic waste to fuel production, see Biomass to liquid. For unmodified vegetable oil used as motor fuel, see… …
70Google's hoaxes — TISP redirects here. For the space program, see Teacher in Space Project. Google has a tradition of perpetrating April Fools Day hoaxes. Contents 1 April Fool s hoaxes 1.1 2000 1.2 2002 …
