Vijay K. Varadan currently holds the 21st Century Endowed Chair in Nano- and Biotechnologies and Medicine and is Distinguished Professor of Electrical Engineering and Distinguished Professor of Biomedical Engineering (College of Engineering) and Neurosurgery (College of Medicine) at the University of Arkansas, USA. He is also the Director of the Institute for Nano-, Micro- and Neuroelectronics, Sensors and Systems and the Director of the High-Density Electronics Center. He has concentrated on the design and development of various electronic, acoustic and structural composites, smart materials,...