Over the years the meaning of time has changed for most people. Just like a summer’s day that seems to extend into eternity at the age of six or seven, an entire year can retreat in the blink of an ...

You know, I mean, if general and special relativity, if we didn’t account for those… WILCZEK: Well, the GPS wouldn’t work, because it’s very important to get time exactly right in GPS. In the workings ...