The ion trap of the new In+/Yb+-crystal clock in its vacuum chamber. The Ions are trapped in the gap that can be seen in the middle of the picture between the gold electrodes (target). A shown-up ...

Winter is winding down as the sun is setting later each day, but nothing says spring like the day we spring the clocks forward. Under the current daylight saving period, most Americans will lose ...

For my money, Seiko’s best everyday watch isn’t the infamous “Turtle” or one of the myriad 5 Sports. Nope, it’s an obscure 1970s timepiece tied up in dive-watch lore. The 6306-800 Silverwave has a day ...