Sarah A. BatesNational Science Foundation Tapping Electrical Signals: Turning Thought Into Action Biomedical engineer Walt Besio uses his brother's paralysis as motivation to invent technology to help people with disabilities return to a more normal life. Sweatin' the Small Stuff, What Mechanical Engineering Is About Mechanical engineer Kira Barton builds and creates at the smaller-than-tiny-scale. By Sarah A. Bates Published 6 December 13
