The light-emitting semiconductor material determines the LED's color, so the number of colors is infinite. As indicated by its full name â Light Emitting Diode â an LED is a diode that emits light. A diode is a device that allows current to flow in only one direction. Almost any two conductive materials will form a diode when placed in contact with each other â with a single p-n semiconductor junction between them.
For other uses, see Texas Longhorn (disambiguation) and Longhorn (disambiguation). The Texas Longhorn is a breed of cattle known for its characteristic horns, which can extend to over 1.8 m (5.9 ft) tip to tip for bulls, and 2.1 m (6.9 ft) tip to tip for steers and exceptional cows.
Texas Longhorns football. The Texas Longhorns football program is the intercollegiate team representing the University of Texas at Austin (variously Texas or UT) in the sport of American football. The Longhorns compete in the NCAA Division I Football Bowl Subdivision (formerly Division I-A) as a member of the Big 12 Conference.