an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
the act of emitting; causing to flow forth
any of several bodily processes by which substances go out of the body
the release of electrons from parent atoms
a substance that is emitted or released
medium for communication
an electronic receiver that detects and demodulates and amplifies transmitted signals
a communication system based on broadcasting electromagnetic waves
transmit messages via radio waves
