Radar systems generally consist of a transmitter which can produce electromagnetic signal and which is radiated into space using an antenna. When this signals strikes an object it reflects into many ...

Those "storm" clusters showing up on your weather radar this weekend probably shouldn't worry you — because they're likely not storms at all. They’re birds. Yes, a heck of a lot of birds. Radar ...

Diagram of the electromagnetic spectrum, with visible spectrum and light highlighted separately. The full range of electromagnetic radiation, organized by frequency in Hertz and wavelength in meter.