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.
Mechanical engineers typically do the following: 1  Analyze problems to see how a mechanical device might help solve the problem. 2  Design or redesign mechanical devices, creating blueprints so the device can be built.  Develop a prototype of the device and test the prototype.