A sea slug sees far more colors than you do, and you probably see more than a profoundly color-blind person. Who’s right? We each carry our own version of reality, our own story about what happened, what’s around us and how things work. Our chosen reality serves two useful purposes: First, it binds us to […]

While our country looks like it might be coming apart at the seams, it’s good to revisit, every once in a while, moments when it did work. And that’s not so that we can feel nostalgic about a lost time, but so that we can remind ourselves how, given the right conditions, things could work […]

Spend enough time inventing possible futures in your head and you won’t have any time to build the future we will all share. Time to get to work.

“Any sufficiently advanced technology is indistinguishable from magic.” So holds the third and most famous of the “three laws” originally articulated by science fiction writer Arthur C. Clarke. Even when it was first published in the late nineteen-sixties, Clarke’s third law would have felt true to any resident of the developed world, surrounded by and […]

Game theory has a lousy name. When most people think of games, they think of commercial stuff for kids, like Chutes and Ladders or possibly Monopoly. But a game is simply a system where humans, facing scarcity, make choices. Scarcity leads to choices and to competition. It turns out that our culture, our commerce and […]