The Bulletin of the Atomic Scientists has reset the iconic Doomsday Clock to 89 seconds to midnight. For the second consecutive year, it is the closest the world has ever been to global catastrophe.
NASA astronaut Matthew Dominick shared this amazing time-lapse captured from the International Space Station. Credit: Space.com | footage courtesy: NASA / Matthew Dominick | edited by Steve Spaleta Mu ...
A CSAC is an essential reference for these systems, supplying the necessary precise and stable timing where conventional atomic clocks are too large or power-hungry and where other satellite-based ...