But what if a sidewalk could melt ice on its own? That's the goal of a three-year-long project at Drexel University to develop self-heating concrete, which can keep streets safe from icy ...

Clearing roads and sidewalks of snow with mechanical snowplows and salt to lower temperatures at which it melts is a very expensive procedure, and they often seriously harm the concrete and asphalt.

Slabs are connected by a power source which heats up and allows the concrete to melt ice and snow. Produced by Jacqui Frank Follow BI Video: On Facebook More from Tech Conductive concrete is 20% ...

We believe ice infiltrated this particular joint, and with the thaw that we had today, it caused the concrete in the joint to loosen and fall to the ground," Jonathan Gulliver, the highway ...

Sean Kershaw, the St. Paul director of public works, said the last two snow emergencies left a light and fluffy snow cover ...