Applications of Electromagnetic Waves
Electromagnetic Spectrum
https://www.khanacademy.org/test-prep/mcat/physical-processes/light-and-electromagnetic-radiation-questions/a/diffraction-and-constructive-and-destructive-interference

Purpose

    Whether your interested in it or not Electromagnetic waves play an extremely important role in our lives. In fact they have played an important role in life even before humans were around. The fact that we can see is due to Electromagnetic waves. Also or food is heated in our microwaves using these waves, doctors can look at our bones, and we can even send texts to our friends using them. The purpose of this site is to inform you on the basics of Electromagnetic waves and how they are applied to our daily life. Hope you enjoy!