paving

Conductive concrete melts ice

By Chris McCahill A new type of pavement developed at the University of Nebraska could keep bridges and other surfaces clear during inclement weather without using heavy equipment or chemicals. The product is a concrete mixture that conducts just enough electrical current to melt ice and snow,

Glass roads?

“There’s 25,000 square miles of road surfaces, parking lots and driveways in the lower 48 states. If we covered that with solar panels with just 15 percent efficiency, we’d produce three times more electricity than this country uses on an annual basis, and it’s almost enough to power the

Streamlining that we would like to see in person

Big machines have an undeniable fascination. This one is billed as rolling out brick roads like carpet.