Tim Bigelow, assistant professor in electrical and computer engineering, uses ultrasound to test an artificial tissue replica for cancer. His research involves ultrasound in both detecting and killing cancer cells. Photo: Laurel Scott/Iowa State Daily

Tim Bigelow, assistant professor in electrical and computer engineering, uses ultrasound to test an artificial tissue replica for cancer. His research involves ultrasound in both detecting and killing cancer cells. Photo: Laurel Scott/Iowa State Daily