| Underwater robot hunts in Great Lakes | |
|
|
|
|
South Bend Tribune
Feb 13 2010
One of the Environmental Protection Agency's newest members uses side-scan sonar to look at the watery depths of Lake Michigan. Fanning its sound waves down to the lake floor, it searches for the returning signals bouncing off the bottom in search of bounty — and found a shipwreck last year. |
|
