National timekeeping institution sought to enhance stability and precision to support critical national and international scientific work Adtran’s industry-first OSA 3300 SHP with optical pumping ...
On December 31, 2005 a “leap second” will be added to the world’s clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time (UTC). This corresponds to 6:59:59 pm Eastern Standard Time, ...
The new Master Clock Facility on the U.S. Naval Observatory campus will be constructed very close to the existing Clock House. Courtesy Wiley & Wilson/Burns ...
McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...