summing circuit
31Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… …
32Capital punishment in Texas — The State of Texas Death Row seal, taken at the Polunsky Unit in West Livingston, Texas …
33Decibel — This article is about the ratio of measures. For sound or acoustic level, see Sound pressure. For other uses, see Decibel (disambiguation). Attenuation chart of an RG 6 Coaxial cable, measured in decibels per 100 feet of cable The decibel (dB) is …
34Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
35Arthur Koestler — The native form of this personal name is Kösztler Artúr. This article uses the Western name order. Arthur Koestler Koestler in 1948 Born Kösztler Artúr 5 September 1905 Budapest, Hungary …
36Vibration — For the soul music group, see The Vibrations. For the machining context, see Machining vibrations. For the albums, see Vibrations (Roy Ayers album) and Vibrations (The Three Sounds album). Classical mechanics …
37Catherine Wilson — For other people of the same name, see Katherine Wilson. Catherine Wilson (1822 20 October 1862) was a British woman who was hanged for one murder, but was generally thought at the time to have committed six others.[1] She worked as a nurse and… …
38P = NP problem — The relationship between the complexity classes P and NP is an unsolved question in theoretical computer science. It is considered to be the most important problem in the field – the Clay Mathematics Institute has offered a $1 million US prize… …
39Japanese American internment — refers to the forcible relocation and internment of approximately 110,000 Japanese nationals and Japanese Americans to housing facilities called War Relocation Camps , in the wake of Imperial Japan s attack on Pearl Harbor. [… …
40Audio crossover — A passive 2 way crossover designed to operate at loudspeaker voltages Audio crossovers are a class of electronic filter used in audio applications. Most individual loudspeaker drivers are incapable of covering the entire audio spectrum from low… …
