I wonder if we measure it more precisely we'll get to something closer to 1.4142135623730950488...
It would be a bit of a surprise since the unit of measure is inches and I'm not sure what inches would have to do with quantum computing. I feel like the inch is essentially a random factor here.
I’d make this cable as a form of art.
Close, as the ratio of the inner and outer conductor diameters, to exactly get 50 Ohms, is an irrational number.