IBM Projects Holographic Phones, Air-Driven Batteries

geek4 writes "In 2015, we will be using mobile phones that will project a 3D holographic image of callers, claims IBM in a list of predictions of future technologies culled from a survey of 3,000 IBM scientists. 3D displays are also the focus of work between Intel and Nokia in the development of a holographic interface. Cities heated by servers and advanced city traffic monitoring are also listed as being among the prevalent technologies of the next five years, according to a Bloomberg article."