Guitars are a type of musical instrument called string instruments, meaning that they create their sound through the vibrations of a string.
String instrument | string | string instrument | Yonder Mountain String Band | Juilliard String Quartet | Emerson String Quartet | The Incredible String Band | String section | The String Cheese Incident | Ethel (string quartet) | String (computer science) | Steel-string acoustic guitar | National String Instrument Corporation | Nashville String Machine | London String Quartet | Hollywood String Quartet | cosmic string | Australian String Quartet | American String Teachers Association | String band (American music) | string band | Soweto String Quartet | G-string | Goree All Girl String Band | Approximate string matching | Air on the G String | 12 string guitar | When the Kite String Pops | Webern's ''String Quartet'' Op. 28 tone row, composed of three tetrachord | Vitamin String Quartet |
In the Summer of 1953 Fermi, Pasta, Ulam and Mary Tsingou conducted numerical experiments (i.e. computer simulations) of a vibrating string that included a non-linear term (quadratic in one test, cubic in another, and a piecewise linear approximation to a cubic in a third).