No one can escape a sense of awe when reflecting on the workings of the mind: we see, we hear, we are aware of the world around us. But what is the mind? In Physics in Mind, eminent biophysicist Werner R. Loewenstein seeks and answer in the mechanisms of physics. Bringing information theory--the idea that all information can be quantified and encoded in bits--to bear on recent advances in the neurosciences, Loewenstein reveals inside the brain a web of immense computational power capable of rendering a coherent representation of the world outside. He posits that quantum mechanics could be fundamental to our mind's ability to almost instantaneously process staggering amounts of information. Wide-ranging and brimming with insight, Physics in Mindwill revolutionize our understanding of how the mind works.