We're pretty comfortable with the idea of open source software running on computers and mobile phone -- heck, even guitars -- but cars? That one we're still warming up to, but this concept vehicle from EDAG definitely helps. As its name implies, the Light Car - Open Source lets developers modify and / or improve upon the auto's technologies -- or at least put a SNES emulator on the back. The lithium ion-powered bubble car also sports an OLED-infused exterior for lights and signals that are s