Happy Birthday Niels Bohr

Last week I introduced the Bohr model of the atom.  Neils Bohr would have been 127 years old today. In commemoration, this was the doodle art on Google.com today:

Hopefully you can recognize and understand some of the symbolism in this figure.  See if you can figure it out.  We will discuss in class.

For more info, I recommend you see this link for the Bohr model of the atom: http://en.wikipedia.org/wiki/Bohr_model

Also see this link about the hydrogen spectrum: http://en.wikipedia.org/wiki/Balmer_series