When you realize almost any metal structure can be turned into an antenna, you realize the power of radio communication.

A low power signal can reach up to miles away, a receiving antenna can be build with metal wires, the signals can be converted to audio back and forth, or light pulses, gaining the ability to "hear" any peer miles away.

And if people claiming "there is energy in the eather" are actually right, there is probably a method to run #radio communication even without batteries. (too bad that they never seem to give good theoretical explanations)

I have my doubts about when #radio harms your body. There is a treshold, but where? Matter of fact, rules during the manufacturing of devices enforce a maximum #radio output, otherwise those devices are not allowed to be used.

I do think it is still possible to use #radio communication effectively within low enough power ranges. But education is key.