transmitters and receivers, remote controls, etc.) which use some form of energy (e.g. radio waves , acoustic energy,) to transfer information without the use of wires. [ ] [ ] [ ] information is transferred in this manner over both short and long distances. contents history photophone electric wireless...
transmitters and receivers, remote controls, etc.) which use some form of energy (e.g. radio waves , acoustic energy,) to transfer information without the use of wires. [ ] [ ] [ ] information is transferred in this manner over both short and long distances. contents history photophone electric wireless...