water-plug
91Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …
92Navigable servitude — is a United States constitutional doctrine that gives the federal government the right to regulate navigable waterways as an extension of the Commerce Clause of Article I, Section 8 of the constitution. It is also sometimes called federal… …
93Pickens Plan — The Pickens Plan is an energy policy proposal announced July 8, 2008 by American businessman T. Boone Pickens. Pickens stated intention is to reduce American dependency on imported oil by investing approximately US$1 trillion in new wind turbine… …
94The Mole (Australia season 4) — The Mole in Paradise Country of origin  Australia No. of episodes 10 Broadcast …
95Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
96Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
97Tobacco products — After the agricultural product, tobacco, has been processed. It can produce a number of products. Consumable Chewing tobacco Chewing is one of the oldest ways of consuming tobacco leaves. Native Americans in both North and South America chewed… …
98Methanol economy — The methanol economy is a suggested future economy in which methanol replaces fossil fuels as a means of energy storage, ground transportation fuel, and raw material for synthetic hydrocarbons and their products. It offers an alternative to the… …
99Hit and miss engine — A hit and miss engine is a type of four stroke internal combustion engine that was conceived in the late 1800s and was produced by various companies from the 1890s through approximately the 1930s. The name comes from the method of speed control… …
100Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …
