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They could use Smart Glass (http://en.wikipedia.org/wiki/Smart_glass http://en.wikipedia.org/wiki/Smart_glass) to make the bottom opaque when in balcony positio
by gnubardt 17y ago
They could use Smart Glass (http://en.wikipedia.org/wiki/Smart_glass http://en.wikipedia.org/wiki/Smart_glass) to make the bottom opaque when in balcony position.