The word "waves" makes most (normal) people think about waves crashing
on a beach, not electromagnetic radiation.
But both kinds of waves have some things in common, such as crests, troughs,
wavelength, and frequency.
There's yet another kind of wave that's familiar to most people,
the human Stadium Waves that fans make at
football games...
The word "waves" makes most (normal) people think about waves crashing
on a beach, not electromagnetic radiation.
But both kinds of waves have some things in common, such as crests, troughs,
wavelength, and frequency.
There's yet another kind of wave that's familiar to most people,
the human 
