1 Conduction is the transfer of thermal energy through direct contact between particles of a substance, without moving the particles to a new location.
iPhone (/ËaÉªfoÊn/ EYE-fohn) is a line of smartphones designed and marketed by Apple Inc. They run Apple's iOS mobile operating system. The first generation iPhone was released on June 29, 2007; the most recent iPhone model is the iPhone 7, which was unveiled at a special event on September 7, 2016. The user interface is built around the device's multi-touch screen, including a virtual keyboard.
Apple didnât start using the âiâ prefix on products until 1998âs iMac was announced. The âiâ at least in part stood for âinternetâ which was virtually unheard of back in 1983. Further, development of the first true iPhone did not begin until 2004, with the first product available in 2007.Below is a collection of photos showing this concept phone. The phone depicted in the photos is a white land-line telephone with a touch screen that could be controlled with a stylus.here was an innovative concept phone created by Apple in the early 1980âs, but it was never produced on a mass scale. It was unrelated to the modern iPhone. Sources. 1  Appleâs Original iPhone, 1983 (Mark Wilson, Gizmodo: July 18, 2007). 2  Appleâs First iPhone Was Made in 1983 (Zachary Sniderman, Mashable: Decemeber 30, 2011).