For the socialites, telling another the time just boils down to how much bling factor your watch flashes. But for the techie in some of us, it's not about the shimmer and pizazz - it's how pretty darned accurate your chronometer's counting the seconds passed. Researchers from the National Institute of Science and Technology have claimed they've got a pair of clocks using ions and optics, and they're both way up there in terms of accurate timekeeping.