first oscillation
111History of superconductivity — The history of superconductivity , the property exhibited by certain substances of lacking electrical resistance at temperatures close to absolute zero, began at the end of the 19th century and culminated in Heike Kamerlingh Onnes s 1911… …
112Ballistic pendulum — A ballistic pendulum is a device for measuring a bullet s momentum, from which it is possible to calculate the velocity and kinetic energy. Ballistic pendulums have been largely rendered obsolete by modern chronographs, which allow direct… …
113B meson — B mesons are mesons composed of a bottom quark or bottom antiquark and either an up (B+ ), down (B0 ), strange (B0 s) or …
114earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …
115Coco Electrik — singer Anne Booty Background information Origin London Genres …
116Multivibrator — A multivibrator is an electronic circuit used to implement a variety of simple two state systems such as oscillators, timers and flip flops. It is characterized by two amplifying devices (transistors, electron tubes or other devices) cross… …
117Spark-gap transmitter — A spark gap transmitter is a device for generating radio frequency electromagnetic waves. These devices served as the transmitters for most wireless telegraphy systems for the first three decades of radio (1887 ndash;1916) and the first… …
118Tropical cyclogenesis — is the technical term describing the development and strengthening of a tropical cyclone in the atmosphere.cite web | author = Arctic Climatology and Meteorology | url = http://nsidc.org/arcticmet/glossary/cyclogenesis.html | title = Definition… …
119List of accidents and incidents involving military aircraft, pre-1950 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http …
120Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
