bring a tube into circuit
51Dates of 2008 — ▪ 2009 January As we meet tonight, our economy is undergoing a period of uncertainty.… At kitchen tables across our country, there is a concern about our economic future. U.S. Pres. George W. Bush, in his final state of the union address, January …
52energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
53Disability rights timeline — Disability Theory and models …
54Electrometer — An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. There are many different types, ranging from historical hand made mechanical instruments to high precision electronic devices. Modern… …
55Elián González affair — The custody and immigration status of a young Cuban boy, Elián González (born December 7, 1993), was at the center of a heated 2000 controversy involving the governments of Cuba and the United States, González s father, Juan Miguel González… …
56Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
57Electronic waste — For the EC directive, see Waste Electrical and Electronic Equipment Directive. Defective and obsolete electronic equipment. Electronic waste, e waste, e scrap, or Waste Electrical and Electronic Equipment (WEEE) describes discarded electrical or… …
58radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
59Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
60Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …
