[ad_1] Magic squares have been in the imagination of humanity for a long time. The oldest known magic square comes from China and is over 2000 years old. One of the most famous magic squares is found in the copper engraving by Albrecht Dürer Melencolia I. Another is found on …
Read More »The advanced atomic clock makes a better dark matter detector
[ad_1] IMAGE: Cartoon depicting a watch looking for a view of dark matter More Credit: Hanacek / NIST JILA researchers used a state-of-the-art atomic clock to narrow the search for elusive dark matter, an example of how continuous improvements in watches have value beyond timekeeping. Older atomic clocks operating at …
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