In a message dated 00-02-21 22:21:52 EST, you write:
> Just as soon as they figure out how to make non-opaque titanium!
Isn't that how the original Polaroid SX-70 film worked. It was some sort of
titanium dioxide that went opaque when light struck it. The only reason I
remember this is that I didn't understand how it could work. Maybe I should
fill my mind with things that do work rather than the other way around.
Warren
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