To help small aerial robots navigate in the dark and other low-visibility environments, my colleagues and I developed an ...

Police officers in southwestern Oklahoma appear to be on their way to solving a pair of decades-old cold cases while learning how to use new sonar imaging equipment on a remote lake. Sonar itself may ...

In sport fishing’s recent history, we’ve used tools to look deeper and farther than what we can typically see from the bridge. Using a conventional sounder confirms what the boat has already passed ...