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Nuclear clock technology enables unprecedented investigation of fine-structure constant stability
In 2024, TU Wien presented the world's first nuclear clock. Now it has been demonstrated that the technology can also be used ...
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Dark energy may not be constant—this discovery could undermine our entire model of cosmological history
The great Russian physicist and Nobel laureate Lev Landau once remarked that "cosmologists are often in error, but never in doubt." In studying the history of the universe itself, there is always a ...
For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe would keep expanding indefinitely.
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