The Pentagon's advanced research arm intends to hold a proposers' day early next year for a new program that aims to develop a clock to help with synchronization in case GPS goes down. In a Dec. 23 Federal Business Opportunities notice, the Defense Advanced Research Projects Agency announced a Feb. 1, 2016, event for the Atomic Clock with Enhanced Stability, or ACES, program, which seeks to "develop portable, battery-powered atomic clocks with stability, repeatability and environmental sensitivity approaching that of...
