Tracking the first astronauts’ visit to Mars won’t be as simple as watching a clock or marking days off of a calendar. Thanks ...
3hon MSN
Optical clock sets new accuracy record, bringing us closer to a new definition of the second
A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium ...
If you’re a marathon newbie, and sometimes even if you’re a seasoned pro, it can be difficult to accurately estimate your likely time for running 26.2 miles. The most common way to do this is to base ...
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