TechnologyTail lights grow in the dark Brake lights warn that a car in front is slowing down but give no indication of how sharply it is breaking – a new device addresses the problem 51¶¯Âþ
TechnologyNanotube coating promises ice-free windscreens A conductive coating of carbon nanotubes could clear ice from cars fast, and even provide a new way of heating homes 51¶¯Âþ