The trick is to find a way to make this flow rate change when the chemical that the sensor has been designed to detect is present.

ECONOMIST: Medical diagnostics

In our eighth annual E-Gang (our group of tech innovators to watch), we present the masters of robotic innovation--entrepreneurs and researchers who are fusing advances in biomechanics, software, sensor technology, materials science and computing to create new generations of robotic assistants.

FORBES: The Robots Are Coming!