OAK RIDGE, Tenn. (WATE) — Residents in Oak Ridge may have noticed some strange noises coming from sewer lines around town, but there likely aren’t any giant turtles practicing martial arts down there.

Ever hear your car make that weird noise and your brain instantly goes, “Uh oh…”? You’re running late, balancing coffee in one hand, keys in the other, and suddenly your ride starts talking back with ...