The satellites that make the GPS in your car and smartphone work consist of many atomic clocks. About 400 such atomic clocks ...

There are 24 satellites in the GPS system each with 4 atomic clock sources (Rubidium or Cesium). A GPS receiver locks onto satellites, receiving a chirp from each that includes a time stamp from ...

NASA's SpaceX 32nd commercial resupply services mission, scheduled to lift off from the agency's Kennedy Space Center in April, is heading to the ...

The plan is simple: to develop a more secure alternative to GPS by enabling the portable use of new atomic clocks, rather than relying on signals from satellites in space that can be jammed.

This technology, called the 'microcomb chip,' could make optical atomic clocks, the most precise timekeepers in the world, compact enough for everyday use. Credit: Kaiyi Wu This breakthrough could ...

Scientists claim that time travel is possible and humans have already done it, according to the Daily Mail. From H. G. Wells to Christopher Nolan's "Interstellar", the possibility ...

The ESP8266 combines the timestamp from the GPS messages and the PPS signal to synchronize itself with the atomic clock aboard the orbiting satellite. To prevent the system from drifting too far ...

Every global positioning system relies on atomic clocks. They are accurate up to a nanosecond (a billionth of a second). Here ...

For decades, atomic clocks have been the pinnacle of precision timekeeping, enabling GPS navigation, cutting-edge physics research, and tests of fundamental theories. But researchers are now ...

The size, power, and other metrics of a latest-generation chip-scale atomic clock.

Fig. 2: Influence of radiation pressure modeling on clock residuals for GPS III satellites as a function of the Sun-Earth-satellite angle epsilon. Fig. 2: Influence of radiation pressure modeling on ...