By Anatoly Vorobyev (and available at Etsy).
First, show your audience this awesome strip:
Next, discuss the first law of thermodynamics, systems, dQ and all of that. Then, wait for the merriment to ensue.
This is so lovely, I had to include it at Popperfont. The trick, of course, is to see if we can work this into a science lecture. Prelude to taxonomy (Hulk is so different)? Human evolution, or manipulation (the super human thing). Any other ideas?
By Hannah Friederichs, via DeviantArt.
You just knew that the Wookies would make good organists. Too bad, Bach was not much of an operatic composer. A wookie opera would be something else…
Unknown source – as in all over the web.