Using Einstein’s theory of general relativity, physicists found that clocks on the Moon would run 56 microseconds faster than ...

1), Global Navigation Satellite System (GNSS) receivers ... base station within an appropriate range—usually 50 kilometers or ...

The group's findings, published Nov. 13 in the journal Nature, might help to improve the accuracy of GPS technology worldwide several-fold ... It also never stays still. "At 2 o'clock in afternoon, ...

The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...

Welsh’s ebook is called “ Space Radiation: Astrophysical origins, radiobiological effects and implications for space ...