"The challenge is, if it can do that over short distances, can we extend that to longer distances, because then we can begin to replace all the wires with carbon instead of copper," he said. "That's the dream. That's not close right now, maybe 20-50 years away. But over short distances, we can demonstrate that carbon can work as well as copper, which is a big advance."
Bill Rice, a spokesman for the District's Office of Property Management, said the city has jurisdiction over Dupont Down Under and can decide how to use the space.