50 yrs. of Star Trek!

ben bfranchuk at jetnet.ab.ca
Fri Sep 9 23:21:06 CDT 2016

On 9/9/2016 7:58 PM, Fred Cisin wrote:
> On Fri, 9 Sep 2016, Guy Sotomayor Jr wrote:
>> Actually it actually *does* exist and is reasonable to manufacture.
>> Here’s the
>> article:
>> http://www.nrl.navy.mil/media/news-releases/2015/transparent-armor-from-nrl-spinel-could-also-ruggedize-your-smart-phone
>> It’s basically a sintered process where the ceramic is formed (this
>> particular one is called spinel)
>> and the process is to put the powder in a press, raise the temperature
>> and evacuate the air.
>> The result is a clear crystal that has better properties than glass.
>> The size of the piece is only
>> limited by the size of the press.
>>>> 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?  :)
> THAT would be a big heated vacuum press
But where will you get the whale?

More information about the cctalk mailing list