> Is there solid evidence that this is actually possible, as opposed to creating a layer on top of it?
I doubt that's actually what happens, but if you think of it that way, you'll end up with the right result.
I doubt that's actually what happens, but if you think of it that way, you'll end up with the right result.
What we're really talking about is surface-gap-filling.
So yes, "into" at some level of magnification. "Onto" at another.