Took a minute to download the bloody picture! Honestly, I had to guess the i of 'imaginary/institute'
Matter and imaginary number was a snap, but my familiarity with thermodynamics is a bit ... lacking. But I finally grok. To the minimal extent of grokiness. I like.
I had to add this here. Semantics and all that, but hopefully everyone here can understand the issues with this post from my local FB marketplace. (About the only thing I use FB for anymore.)