A gap width much larger than the wavelength causes little spreading eg light waves passing through a doorway. The greater the wavelength, the greater the diffraction. Diffraction affects radio and ...

Keywords electromagnetic waves, radar, microwaves, crystal set, radio, television, diffraction, interference, transmitter, receiver, navigation Email us at [email protected] if you have ...

The Crab Pulsar, a remnant of a supernova whose explosion was visible from Earth in 1054, emits a mysterious radio signal known as the "zebra" pattern. This signal has long intrigued scientists, and ...