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.
In 2005, Tony Fadell, the engineer whoâs credited with inventing the first iPod, got hold of a high-end desk phone made by Samsung and Bang & Olufsen that you navigated using a set of numerical keys placed around a rotating wheel. A Samsung cell phone, the X810, used a similar rotating wheel for input.