Ivanka writes, I got this last week and as I'm sure you know, it's the second law of thermodynamics (the original equation, by Clausius) before -N even represented entropy. This is a strange story, because I'm not a physics or math major, I'm a female philosophy person. I really do love physics though, and I'm about to leave my home country and all my undergrad friends behind and go and do my MSc at LSE. So the sentiment behind this is that now, after undergrad, we begin to disseminate. Entropy.It's also a great boyfriend filtration system:'Can I have your number?''Wait, what's this mean?' 'Um... I don't know?' 'Too bad, you were cute' (walk off)Click here to go to the full Science Tattoo Emporium.