One thing that I'm interested in are non-intuitive solutions. Like when a problem is solved in a unique novel way and not something that one would expect.
Delta Arm Robot - When you think about it - if someone asked you to design a robot arm that picked up things, you would probably model it after a human arm. You probably wouldn't think to use they 3 robot arms suspended from above and use a vacuum suction cup as the gripper.
Computer Science, Medical Informatics, Health Services Research, Epidemiology.