Abstract: Human facial expressions and state of mind are based on emotions controlled by brain signals. Electrodes are applied to the head to record these signals using electroencephalography (EEG), a ...

Abstract: Traditionally, a continuous-wave (CW) signal is used to simulate RF circuits during the design procedure, while the fabricated circuits are measured by ...

Before a U-2 spy plane can even begin its takeoff roll, the pilot must give a precise hand signal confirming that critical safety pins are removed and the ejection system is armed. That ritual is only ...