Why do I write?

It's that words fade, and lives fade, but what's passed on need not. Waves can cross the Pacific, yet with no individual water molecule travelling more than a few yards; sections of DNA that were extant before the Himalayas rose up are still extant, and active, inside us now. Ethics matters; how we live our life matters: words from thousands of years ago speak to us as if today.

Writers are lucky: we get to scoop this up, and pass on what we've glimpsed. Here are some reflections on how my books have shifted over time; here are extracts and additional thoughts on particular works: E=mc², Electric Universe, Passionate Minds, Einstein’s Greatest Mistake, and the new The Art of Fairness.