Materials scientists do fascinating things with glass, but making it competitive with rocks for road surfaces seems like a waste of effort. Personally I think

Materials scientists do fascinating things with glass, but making it competitive with rocks for road surfaces seems like a waste of effort. Personally I think Elon Musk's solutions for this problem (decentralized clean power generation) are a bit more compelling, especially the part about putting solar panels on our rooftops instead of in our roads. http://fusion.net/story/129075/elon-musk-reminded-everyone-last-night-how-little-land-would-be-needed-to-power-the-u-s-with-solar/ http://fusion.net/story/129075/elon-musk-reminded-everyone-l...