A humanoid-scale, dual-arm, hydraulic-powered robot, the latest video shows the ARMstrong performing a series of dead-hang pull-ups while carrying a 44-pound (20 kg) weight. This new video is not ...

Brad: You should be straight. And then the hands are in the same position as before. Tighten the stomach muscles, and do your ...

Radio frequency spectrum is expensive and sophisticated modulation techniques, leading to wide, dynamic signals require linear amplification. The penalty for achieving linearity is efficiency. The ...

This article proposes a voltage-fed zero-voltage-switched topology based on the push–pull converter. The proposed converter uses the leakage inductance of the transformer to transfer power from input ...