MrBeige: MrCyan, what am I going to do? MrBeige: (thinks) hm... I know MrCyan: (distracted, thinks) F=-dV/dr MrBeige: Speak up if you mind me sleeping here MrCyan: (distracted, thinks) Ei != Ef MrBeige: (thinks) Nah, I'll save that one for real life MrCyan: (thinks) d/dx x^2 = 2x