A lot of sci-fi movies and books feature robots that look like people. Think the Terminator or C-3PO.
But an MSU engineering professor went in a different direction when he started working on building a robotic fish about 10 years ago.
Current State's Mark Bashore talks with Dr. Xiaobo Tan, an associate professor in the Department of Electrical and Computer Engineering at Michigan State University. He's been working on a robotic fish that can be used for monitoring water quality.