- The kilogram just got a revamp. A time unit might be next. Updates to the metric measurement system went into force May 20, redefining the kilogram. The kilogram is now defined by a fundamental constant of nature, not a hunk of metal. Also redefined are the kelvin, the ampere, and the mole. https://www.sciencenews.org/article/kilogram-just-got-revamp-unit-time-might-be-next 14 comments science
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- Le Grand K – Saint-Cloud, France - Atlas Obscura https://www.atlasobscura.com/places/le-grand-k 12 comments
- General relativity's time dilation was captured across a millimeter | Science News https://www.sciencenews.org/article/atomic-clock-general-relativity-time-warp-millimeter-physics 9 comments
- A new optical atomic clock’s heart is as small as a coffee bean https://www.sciencenews.org/article/new-optical-atomic-clock-heart-small-coffee-bean 0 comments
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