The discovery that weather radar systems can detect meteorite falls marks a significant leap in how scientists study and ...

Part 2 of a 2 part Photoshop CC tutorial showing how to make a great-looking, classic, radar screen display including a grid background, radar sweeps, glowing blips, and radiating concentric circles.

Radar worked by sending out a radio wave and ... signal into the direct current necessary for visualization on the screen. These crystals often couldn't handle the quickness and intensity of ...