Sublime

At the level of experience, then, every act of observing amounts to some sort of pruning of the branching tree of possible futures.

the arrow of time effectively arises from the tendency of disorder to increase.

The combination on the left-hand side is the Einstein tensor.

This discussion of accuracy in virtual reality mirrors the relationship between theory and experiment in science.

the real dispute was not about whether the solar system had one layout rather than another: it was about Galileo’s brilliant advocacy of a new and dangerous way of thinking about reality.

gravity involves not one but a superposition of spacetime geometries.

Poincaré disk.

Not all fundamental phenomena have large physical effects.

It is often suggested that the brain may be a quantum computer,