Photoshop cc 2015 tutorial showing possibly the best technique to retouch skin in a photo. “Frequency Separation” retains the skin’s texture, while it removes blotches and imperfections. The result is ...

It may seem at times that there is a divide between the optical/photonic domain and the RF one, with the terahertz zone between them as a demarcation. If you need to make a transition between the ...

Abstract: Modern aircraft use 360–800 Hz variable-frequency power systems, and the increased frequency makes it more difficult to interrupt the arc. Traditional contacts are difficult to apply due to ...