4 ms·

I think it's more a problem of entropy; You're taking a high-entropy mixture and trying to extract a pure substance. Think sorting red and blue lego.

• aidenn0 3y ago
  The comment is still useful; if the red legos and the blue legos are different sizes it's pretty easy to sort them mechanically.
  • eutectic 3y ago
    Yes, but there will always be some necessary energy input.