I remember reading that some of the textile techonology that enabled the arctic/anarctic expeditions in the early 20th century has already been lost. They're h

I remember reading that some of the textile techonology that enabled the arctic/anarctic expeditions in the early 20th century has already been lost. They're having to analyse the garments in medical scanners to work out how the fabrics work. The idea that technology that enabled the equivalent of the space race could be lost within a century is quite sobering.