Chander Velu is a professor of innovation and economics at the Institute for Manufacturing, Department of Engineering, University of Cambridge, Cambridge, UK. The race is on to develop commercial ...

Carriers of information come in different forms and behave differently. Think of ink on newspapers, sound waves in classrooms and pixels on TV, monitors and smartphones. Think of tiny transistors on ...

A computer that processes analog data is known as an analog computer. Analog computers store information in physical quantities in a continuous format and use measurements to perform computation.