JILA researchers are pioneering a nuclear clock using thorium-229, which offers unprecedented stability compared to atomic ...

For decades, atomic clocks have been the pinnacle of precision timekeeping, enabling GPS navigation, cutting-edge physics ...

The US Environmental Protection Agency labels anything that isn't hydrogen or oxygen in water as a contaminant, such as magnesium, iron, calcium, fluoride and more. The EPA sets Maximum ...

Adding fluoride to Lancaster's water has been a topic of discussion for years. Will other cities stop fluoridation under the ...

A thorium-doped calcium fluoride crystal's temperature is continually monitored while a VUV frequency comb is used to directly resolve individual quantum states of the nuclear transition.

there is no added fluoride present. Per the product's nutrition label, the additives in the purified drinking water include potassium bicarbonate, sodium bicarbonate, calcium citrate, sodium ...

This converts the strong fluorocarbon chains into inorganic compounds like calcium fluoride, carbon dioxide, carbon monoxide, and water. These byproducts can, in turn, be captured at the source ...