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.
The role of a mechanical engineer is to take a product from an idea to the marketplace. In order to accomplish this, a broad range of skills are needed. A mechanical engineer uses computer software programs to design or redesign various types of mechanical devices, such as engines, machines and robots.