You can quickly add a transparent watermark to any image using Photoshop Elements. Transparent watermarks are useful to protect images from being duplicated without permission, to credit an artist ...

Another saw the driver of the car back into a telephone pole and a teacher wrote down the car's license plate. He described getting goose bumps because the driver was making strange gestures ...

Abstract: In this paper, a 94 GHz substrate integrated waveguide (SIW) parallel-plate long-slot array antenna is presented, which is able to generate dual-circular-polarization (CP) low sidelobe level ...