50 yrs. of Star Trek!

[Peter Cetinski]

> On Sep 9, 2016, at 10:55 AM, Doug Ingraham <dpi at dustyoldcomputers.com> wrote:
> 
> Transparent aluminum exists.  It is called sapphire.  Sapphire is the
> crystalline form of aluminum oxide.  If you recall, Apple was thinking of
> using it for the touch screen face of the iphone.
> 

Ah yes, but can you make in sheets 60 feet by 10 feet by 1 inch thick and withstand the pressure of 18,000 cu ft of water?  :)