Here is a link in French about Mr. Sabatier: https://www.researchgate.net/profile/Jean-Marc-Sabatier-4 The sound of his video is not very...

By Jerry Tennant.

The frequency spectrum of electromagnetic waves. Frequencies Electromagnetic waves have a frequency, measured in Hertz, which indicates...

Light waves are electromagnetic, and their frequencies are much higher than those of microwave radio frequencies. Everyone has their own...