Carbon is found in coal and tennis rackets, and a few years from now, it could run the TV also. Various companies are currently trying to perfect the technology behind a new type of flat-panel display that will rely on diamonds or carbon nanotubes — two forms of pure carbon — to produce images. Theoretically, these "field effect displays," or FEDs, will consume less energy than plasma or liquid crystal display (LCD) TVs, deliver a better picture and even cost less. The development of FEDs underscores the rapid changes taking place in what had been a relatively realistic TV market.
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