THE recent discovery of solar radio noise ... radiations the maximum wave-lengths of which are comparable to stellar dimensions. Such low-frequency radiation will escape from the sun in the ...

For water waves and sound waves the unit hertz is usually good enough but radio and TV waves have such a high frequency that the kilohertz (\(kHz\)) or even the megahertz (\(MHz\)) are better units.

OKI, a Japan-based information and telecommunication manufacturer, has developed a ship classification artificial ...