Company Bathys Hawaii has designed and built the world’s first atomic wrist watch. As its name implies, the Bathys Cesium 133 Cesium-133 is used, which provides high precision, so that the clocks have an error of 1 second for 1000 years. Price of the device is $ 12,000.

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Researchers from the U.S. National Institute of Standards and Technology have created ultra-precise atomic clock with an accuracy of 1 second for 3 centuries. At the core of the invention – the material ytterbium, cooled to a temperature of 10 mK, which is a few millionths of a degree above absolute zero, and a laser with a wavelength of 578 nanometers. Atomic clocks, due to its accuracy, can be used to study the effect of gravity on time, but the current model has the size of a large dining table and scientists have to find a way to reduce it to the possibility of installing a satellite or spacecraft.

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