Below is one the first in a series I made to kick starting the Hitchens Art Movement. It is a 2 dimensional Fourier transform of a smiley and frowning face. Those with an engineering background usually get it immediately and respond with a smile.
Once again falling back on my electronics background I made this rather light-hearted piece. The yin yang is imposed over a Smith chart which is superimposed the the formulas for the Pythagorean means: the arithmetic, geometric and harmonic means. Then some words to give it some form of reason or thought. For example we do not measure darkness but only the intensity or amount of light.