On 01/05/14 18:37, Orchid Win7 v1 wrote:
> 
> I was under the impression that 3M's main business is *manufacturing*
> plastics, not designing new ones. (Actually, I was under the impression
> that 3M manufactures finished products that have plastic _in_ them, but
> I guess they probably sell raw plastic to other people...)
> 

YABAMBA

> 
> Really? I thought *all* transparent materials have an IOR different than
> air. As in, it's impossible to *avoid* this (e.g., if you wanted to make
> a kind of "invisible glass", you can't do it.)
> 

YABAMBA

> 
> I thought that all of those claims were radically exaggerated marketing,
> and that these materials are basically identical to what we had 40 years
> ago.

YABAMBA

Sorry Andy but it has to be said

John (recovering from his stroke)
-- 
Protect the Earth
It was not given to you by your parents
You hold it in trust for your children

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