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

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 ...

A theoretical astrophysicist from the University of Kansas may have solved a nearly two-decade-old mystery over the origins of an unusual "zebra" pattern seen in high-frequency radio pulses from the ...