precise tuning
101Quartz clock — A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more… …
102Watch — For other uses, see Watch (disambiguation). Early wrist watch by Waltham, worn by soldiers in World War I (Deutsches Uhrenmuseum, Inv. 47 3352) A watch is a small timepiece, typically worn either on the wrist or attached on a chain and carried in …
103Pentatonic scale — The first two phrases of the melody from Stephen Foster s Oh! Susanna are based on the major pentatonic scale[1] …
104Inertial navigation system — An Inertial Navigation System (INS) is a navigation aid that uses a computer and motion sensors to continuously track the position, orientation, and velocity (direction and speed of movement) of a vehicle without the need for external references …
105Tambura — North Indian tambura (left) used as a drone to accompany a sarod recital. This article is about the fretless drone lute. For the Eastern European saz, see tamburica. For the Greek long neck lute, see tambouras. For river in Romania, see Tambura… …
106Rockwell Collins — Rockwell Collins, Inc. Type Public NYSE: COL Industry Aerospace Founded …
107MegaSquirt — is the registered trademark of an aftermarket electronic fuel injection (EFI) controller designed to be used with a wide range of spark ignition internal combustion engines (i.e., not diesel engines.) It is a complete standalone fuel injection… …
108Marchetto da Padova — (Marchettus of Padua; b. 1274?; fl. 1305 – 1319) was an Italian music theorist and composer of the late medieval era. His innovations in notation of time values were fundamental to the music of the Italian ars nova, as was his work on defining… …
109Harmonica techniques — There are numerous techniques available for harmonica. A few are described here. For details of how to do such techniques, visit the Harmonica wikibook. Contents 1 Bending and other techniques 2 Overbending 3 Positions …
110Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …
