The People Behind Your Electronic Toothbrush - best electric toothbrush

Iphone, electric toothbrush, anti-lock brake
All of this is a product of the field of mechatronics, which combines physics, computer science, and mechanical engineering.
Students trained in this difficult subject at the University of Virginia can also have some fun;
As a class project, they built electric guitars and robotic mice.
Sandy Hausman reports for WVTF.