1 A PET scan can help a doctor find nervous system problems, such as Parkinson's disease, multiple sclerosis, transient ischemic attack (TIA) , amyotrophic lateral sclerosis (ALS) , Huntington's disease, stroke, and schizophrenia. 2  Find changes in the brain that may cause epilepsy.
Robotics engineers are engineering technologists who apply principles from mechanical, manufacturing and electrical engineering to design and test robots, automated systems and new applications.
What Computer Hardware Engineers Do. Computer hardware engineers research, design, develop, and test computer systems and components such as processors, circuit boards, memory devices, networks, and routers. These engineers discover new directions in computer hardware, which generate rapid advances in computer technology.