On Thu, Sep 8, 2016 at 11:34 AM, Fred Cisin <ci...@xenosoft.com> wrote:
> On Thu, 8 Sep 2016, Murray McCullough wrote: > And use so much transparent aluminum. > 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. -- Doug Ingraham PDP-8 SN 1175
