The essays in this book look at way in which the fundaments of physics might need to be changed in order to make progress towards a unified theory. They are based on the prize-winning essays submitted to the FQXi essay competition "Which...

The essays in this book look at the question of whether physics can be based on information, or - as John Wheeler phrased it - whether we can get "It from Bit". They are based on the prize-winning essays submitted to the FQXi essay...

Are there truly fundamental entities in nature? Or are the things that we regard as fundamental in our theories - for example space, time or the masses of elementary particles - merely awaiting a derivation from a new, yet to be...