Being punctual is a virtue that goes undervalued, because no one is on time to appreciate it. That however, does not deter many from staying true to the clock, right down to the second. These saintly souls can indulge their passion further, by getting hold of an atomic clock to ensure that even seconds don’t slip through. Atomic clocks have been used as the best timekeepers ever since they were created, but the large size was prohibition enough for personal use. The portable Chip Scale Atomic Clock (CSAC) does away with that issue in a package that has a sides of 1.5 inches and a depth of half an inch. Of course, it may not be easy to do away with the table clock in favor of this one, but an atomic clock on this scale is achievement enough. Costs $1500.