On 3/28/2011 10:09, Higgs Boson wrote:

Replace temporarily with one- way glass (as in cop flix interrogation
room). You can see out; nabes can't see in. Doesn't look un-natural.

One-way glass typically requires less light from the viewing side. The
glass has a mirror-like appearance on the brighter side. So the
viewable direction will reverse itself between day and night.
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