Atomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam could yield the most accurate measurements ever of time and gravity, and even rewrite some of the fundamental laws of physics. Thorium-229-doped crystals are both scarce and radioactive.
Thorium film could replace crystals in atomic clocks of the near future." ScienceDaily. ScienceDaily, 18 December 2024. <www.sciencedaily.comUniversity of California - Los Angeles. . Thorium film could replace crystals in atomic clocks of the near future.
The low-energy excited state of thorium-229 isotope nucleus has recently gained much attention owing to it being an ideal candidate for ultra-precise nuclear clocks. Building such ... Nuclear clocks would measure time based on changes inside an atom's nucleus, which would make them less sensitive to external disturbances and potentially more accurate than atomic clocks. These ...
Raising the energy state of an atom's nucleus using a laser, or exciting it, would enable development of the most accurate atomic clocks ever to exist. This has been hard to do because electrons, ...A 'Remelting' of Lunar Surface Adds a Wrinkle to Mystery of Moon's True Age Brain Cells Remain Healthy After a Month on the International Space Station, but Mature Faster Than Brain Cells on Earth
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