Time Is Weird

Time Is Weird: The Universe Does Not Have a Clock. It Has Something Much Stranger.

You already have a personal relationship with time. You know the specific slowness of a Tuesday afternoon at three o'clock. You know how an absorbed hour vanishes and a waiting room hour refuses to end. You know that childhood felt long and adulthood feels like it is accelerating.

What you may not know is that every cell in your body contains a molecular clock that predates the nervous system. That time runs measurably faster at your head than at your feet. That the most fundamental equation describing the universe contains no time variable at all. That several serious physicists believe the flow of time is not a feature of the universe but a feature of consciousness.

Time Is Weird is a warm, unhurried tour through one of the most intimate and least understood subjects in all of science. It moves through four territories: the felt experience of time and why the brain constructs it differently depending on what you are doing; the biological clocks running beneath consciousness in every cell of your body; the physics of relativity and what it reveals about a universe where time is not fixed, not universal, and possibly not fundamental; and the philosophical and cultural questions about what time actually is and how different human traditions have organized their relationship with it.

There are no equations. There is no exam at the end. There is only the genuine, occasionally vertiginous pleasure of paying close attention to something you have been living inside your entire life.

By the end of the book, the Tuesday afternoon at three o'clock will look different. Not explained away. Transformed by attention.

For readers who loved science as children and were made to feel, somewhere along the way, that it was not for them. It is for them. It always was.