Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

【Upgraded Big Screen Display】- Experience the luxury of a 5.5" High Resolution Digital Alarm Clock that spells out the time, date, and temperature clearly. The illuminated LED digits ensure ...

The satellites that make the GPS in your car and smartphone work consist of many atomic clocks. About 400 such atomic clocks are currently operational, providing real-time locations that are ...

For example, an atomic clock (a quantum sensor) is far more accurate than a quartz watch (a regular sensor) because it measures time using energy transitions in atoms rather than mechanical ...

Focus Features Share We sometimes hear rumors of discord on a movie set , but it sure seems like the cast of Steven Soderbergh’s slick and thoroughly entertaining espionage chess match “Black ...

Zach Weinersmith is the cartoonist of the webcomic Saturday Morning Breakfast Cereal. He also writes popular science books with his wife Kelly, including the recent book A City on Mars. He illustrated ...

Referred to as a "strontium optical lattice clock," the device is 100 times more accurate than the current standard for defining seconds, the caesium atomic clock. Shimadzu Corp, a precision ...

Jennifer Knox is a research and policy analyst with the Global Security Program at the Union of Concerned Scientists.