Most people associate Boulder, Colorado, with breathtaking mountain views, world-class athletes, and a thriving health-conscious culture. But did you know that Boulder is also home to one of the most important scientific advancements in modern timekeeping? The United States atomic clock, known as NIST-F1, was developed right here in Boulder at the National Institute of […]

Ask someone exactly how long one second is, and you’re likely to get a smirk. If pressed, many might rely on the “one-Mississippi” trick from their hide-and-seek days. Others might claim an innate sense of it, as though they’re a minor—if punctual—X-Men style mutant. But, honestly, most would look at their smartphone. Ask the right […]