Tensile strength is a terrifying weakest link. No need to prematurely optimize for re-entry: the main cost is sending material to space, not retrieving it. Muc

Tensile strength is a terrifying weakest link. No need to prematurely optimize for re-entry: the main cost is sending material to space, not retrieving it. Much more economical approach which won't cause planetwide devestation if a cable snaps would be: https://en.wikipedia.org/wiki/StarTram https://en.wikipedia.org/wiki/StarTram