I've always heard how sharp blades such as feather AC razors and scalpels are. That they are in fact much sharper than even the most well honed razor. Which makes me wonder... how do they get them that sharp?

I mean, some honemeisters have quite the assortment of equiptment at their disposable to put a super edge on a razor, yet, feathers are sharper? Seeing as we can go as far as 0.25µ diamond pastes (though I remember seeing a link which sold finer pastes) we are working with some literaly nano-sized stuff. It just really pokes at my curiosity is all