Saying the government must focus on “delivering an operational resilient positioning, navigation and timing (PNT) system for the United Kingdom as soon as we can,” the British Science Minister, Lord Patrick Vallance, announced several initiatives in his opening remarks to…
Photo: Beidou constellation China’s super-thin rubidium atomic clock, which is just 17 millimeters thick, has been put into mass production, according to Xinhua News Agency. The clock, developed in 2018 by a research institute under the China Aerospace Science and…