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 ...

Diffraction affects radio and television signals. Long wave radio signals are much less affected by buildings, hills, tunnels etc. than those of short wave or VHF radio, or television.

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 ...

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