Will Transparent Concrete Transform Cities?

"Bill Price of the University of Houston now has an ambitious plan to make concrete with an even more unusual property: he wants it to be transparent...Tests of his initial samples suggest that, structurally, translucent concrete is just as good as the traditional kind...He has visions of cities that glow from within, and buildings whose windows need not be flat, rectangular panes, but can be arbitrary regions of transparency within flowing, curving walls."