Physics Science Time Only Exists in Your Head T-ShirtMachine wash cold with like colors, dry low heat Physics and philosophy nerdy shirt. Tshirt for a physicist, a physics major, a futurist, a philosophy major, a physics teacher or philosophy teacher, quantum mechanics, quantum physics. Great father's day gift for science dad or for your nerd or geek dad. Get this physics shirt for your favorite philosopher, geek, or anyone who thinks about philosophical questions or philosophical logic. A perfect