A new milestone in atomic physics has been reached with the development of the thorium-229 nuclear clock. This advanced clock offers a precision level that could potentially reveal whether the fundamental constants of physics, such as the speed of light and gravitational constant, change over time. Detected by Chuankun Zhang and his team at JILA, this breakthrough enables researchers to probe the stability of these constants with a level of accuracy not previously possible. The implications of this discovery could reshape our understanding of the universe.
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