The cathode-ray tube (CRT) is, for all intents and purposes, dead. Long the predominant technology for TVs, computer monitors, and more, CRTs have given way to beautiful flat-panel monitors, mostly LCDs.But while the CRT is dead, it can't be forgotten -- not with somewhere around two billion pounds of obsolete TVs, computer monitors and other hardware that's reaching the end of its product lifecycle. What to do with all of that e-waste -- in particular, the lead-laden glass from old picture tubes -- has become a major headache that promises to only get bigger.Stumped for answers, industry is turning to the public for help. If you think you have an innovative use for CRT glass, your idea can earn all or part of a $10,000 prize.read more