We also have the ability to generate radio frequency wave up into the terahertz range. This is something relatively new in the history of man.
http://www.answers.com/topic/terahertz-radiation http://www.mercola.com/article/microwave/hazards.htm
On the microwave deal. I have a device which receives broadband RF and it picks up the microwave every time several yards away. These 860 Mhz to 1.24 Ghz signals have become commonplace in urban settings in only a few short years. Are they harmful? Does a multi-year study exist?
