Heads-up holographic displayEver fantasized about being a fighter pilot? Is Top Gun your favourite movie? Well, the latest heads-up display systems in cars project important information right on to the windshield. That means drivers don't have to look down and can keep their eyes focused on the road. Depending on the manufacturer, the heads-up displays can show speed, various warnings, cruise control settings and/or navigation instructions. The next generations of this technology is coming soon, and it promises higher-resolution and colour displays.