“I’m currently a PhD student in chemistry, specializing in polymer synthesis. I got this tattoo at the very beginning of my graduate studies (almost three years ago), for many reasons (one of which was to keep me from ever backing out :)) The tattoo is of electromagnetic radiation that spirals into a polymer chain, which forms an “S” for entropy and then unravels … kind of how we all do. It exhibits my love of science, chemistry, and my general beliefs on life, the universe, and so on.”

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Originally published February 17, 2008. Copyright 2008 Carl Zimmer.