Science is about to 'redefine the concept of a second' thanks to this new research
in an effort to measure time even more precisely, researchers from six european countries joined forces to compare ten ultra-precise optical clocks at the same time.
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Simple Windows 10 computer shutdown timer without installing software
sometimes you want to hang up to download software or want to listen to music to help you sleep well and want to set a timer to turn off the computer. here is how to set a timer to