Mechanical Engineers play a significant role in the design and manufacturing of all of the products and systems essential to everyday modern life--from your home appliances, bikes, recreational equipment and automobiles, to satellites, wheelchairs, airplanes, robots, industrial equipment and environmental control systems. They are the designers and builders of the mechanical, thermal and fluid-flow related aspects of all such systems, including computer and feedback control of complex systems. In fact, mechanical engineers play a role in designing and manufacturing most of the things that people use--look around you and you'll see their contributions everywhere