The clock that loses only 1 second in 10 million years NASA’s Deep Space Atomic Clock is a miniaturized, ultra-precise mercury-ion atomic clock for precise radio navigation in deep space. It is a sibling of the atomic clocks you interact with, every day on your smart phone. In ground tests, it proved to be u... #space #animalsnature #knowledge #fact #space #astronomy #nasa #clock #the #loses #only #second #million #years #deep #atomic #miniaturized #ultra #precise #mercury #ion #radio #pic