50 yrs. of Star Trek!

[Fred Cisin]

>> 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.
On Fri, 9 Sep 2016, Peter Cetinski wrote:
> 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?  :)

Not right now.  Stuck on an "Error 53"