I found an article at: https://spectrum.ieee.org/optical-atomic-clock-advantage-expands-electronics
Convert to metric and it is a nice round -50 C.
I saw it in Tennessee, but only through a telescope and even that was fuzzy.
I’ve noticed that here before. It’s like the false precision of 98.6F from the rounded 37C.
12.2 furlongs per fortnight.
I think they meant Electric Catfish instead of Electric Eel.
I found an article at: https://spectrum.ieee.org/optical-atomic-clock-advantage-expands-electronics