Is Nano Technology a Good Idea?

I think a lot of it is, am is the sort of human side in terms of the sort of bio medical size. So there's a lot of bio medical engineering that needs to be done,. or bio engineering that need to be done making people be able to breathe properly. I mean, sort of, forget cost for now, but, but think bout the size of things. If if we as humans want to to travel into space, we need to take a lot of stuff with us. And they're doing it now. They have these tiny little, they've used nano technology in ther tiny little am sort of stamp size vents, and they're detectingtox as in the air