It's a most peculiar invention. Concrete that rolls out like a carpet. Just hose with water, no cement-mixer trucks and licensed contractors needed. The half-inch material invented by two teenagers under the name 'Cortex Composites' replaces 6 inches of traditional concrete. Factoring in labor costs, it costs half as much to install. Cortex Composites is one of many exciting new startups catching the eye of tech accelerators and investors at the 2014 Techonomy Conference in Silicon Valley. TheStreet's Olivia Zaleski sits down with Cortex Composites' co-founder and serial inventor, Curren Krasnoff. With inventions like these before he turned even nineteen, there's buzz, in the Valley, that Curren is the next Elon.