The threat of GPS jamming extends beyond aviation. Without GPS, our lives would grind to a halt: in 2017, a government report stated that systematic GPS jamming could bring the UK's financial, ...

The plan is simple: to develop a more secure alternative to GPS by enabling the portable use of new atomic clocks, rather than relying on signals from satellites in space that can be jammed.

This effect is still evident in the new clocks, and Horvath hopes that with a future larger sample size of supercentenarians, he will be able to improve the clocks. For the case of someone like Jeanne ...