Technology that can see through walls to help police track criminals and aid firefighters searching for victims received a boost from federal regulators Thursday. Responding to industry requests, the Federal Communications Commission tweaked restrictions on ultra-wideband technology, which sends millions of narrow pulses each second over airwaves to get a precise reading of an object’s location and distance. The signals also can carry huge amounts of data over a short distance. The technology has many potential uses, from wireless home networks of computers and other appliances to collision-avoidance systems in cars. Ground penetrating radar systems using ultra-wideband can detect objects or people buried under earth or debris. “While I hope we have no reason to ever use ultra-wideband to assist search-and-rescue teams in a disaster, I’ll be glad that we have this tool available should the need arise,” said FCC Commissioner Michael Copps. Full Story