Science, Space and Technology News 2024
Scientists at JILA have developed an ultra-precise atomic clock, advancing timekeeping accuracy to unprecedented levels. This innovation, which measures time using visible light waves, could transform navigation, reveal hidden resources, and test fundamental theories like general relativity. Credit: SciTechDaily.com
An extremely cold gas of strontium atoms is trapped in a web of light known as an optical lattice. The atoms are held in an ultrahigh-vacuum environment, which means there is almost no air or other gases present. This vacuum helps preserve the atoms’ delicate quantum states, which are fragile. The red dot you see in the image is a reflection of the laser light used to create the atom trap. Credit: K.
This new clock design can allow the detection of relativistic effects on timekeeping at the submillimeter scale, about the thickness of a single human hair. Raising or lowering the clock by that minuscule distance is enough for researchers to discern a tiny change in the flow of time caused by gravity’s effects.
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