- #1
mister_okay
- 20
- 0
Hi everyone:) I recently began doing some independent studies on electrical engineering, and came across the topic of radios. There was one thing that puzzled me, however. I thought I had a basic understanding of electromagnetic radiation. I had understood that it was a wave that propagated from one source and traveled forever in space in one direction. However I had read from an online article about building radios that radio waves travel back and forth. What does this mean? Do they mean that they travel to and from the source, or are they simply referring to the wavelike motion of electromagnetic radiation?
Additionally, I am attempting to mentally conceptualize the idea of what electromagnetic radiation exactly is. Is it a disturbance that is generated within a magnetic field only, much like the waves of the ocean? If so, how does electromagnetic radiation travel in the void where no magnetic field exists? Or am I just way off?
Please help this poor physics noob :)
Additionally, I am attempting to mentally conceptualize the idea of what electromagnetic radiation exactly is. Is it a disturbance that is generated within a magnetic field only, much like the waves of the ocean? If so, how does electromagnetic radiation travel in the void where no magnetic field exists? Or am I just way off?
Please help this poor physics noob :)