D'ya mind if I just expand this a little? Love the basic idea!!
I think maybe a scuba tank isn't such a good idea as it's not in-keeping with the medieval theme Notch is going for, but you might be onto something with the goggles.
Thing is, for the goggles to be of use there would have to be things underwater that you want to go and get. I love this idea, imagine being able to dive for pearls! Catching fish underwater with some sort of primitive harpoon or spear! Collecting seaweed or corals! All while having to fend off giant squid and zombie sharks!
Epic! That would add a whole new dimension to minecraft, literally.
anyway, making
Scuba goggles
would work like this:
[] [] []
[] [] []
this will make underwater as clear as
on land.
Scuba Tank:
meh, I don't know yet.
this is only the start of my new ideas...
http://www.minecraft...t-a-fan-theory/
i sea it now: the SEATHER