We constructed high-speed on-chip local flow control system. The system consists of a microfluidic chip and piezoelectric actuators. The microfluidic chip has microchannels and two membrane pumps. The ...

After a minute or two, I heard the click of the gas pump and the attendant pulling ot the pump. I handed him the cash, started my car, and started to pull away. That's when things took a turn. The ...