Professor Beer walked into the breakroom and found Lambert drinking out of his favorite “World’s Best Scientist” mug.
“Lambert! Is that my morning espresso?” the Professor gasped.
Lambert casually wiped a coffee-foam mustache from his snout and replied, “According to your own law, Professor, the darker the liquid and the deeper the mug, the more energy I absorb. I am simply optimizing my pathlength for maximum productivity.”