Am 25.01.2016 um 23:20 schrieb Mike Horvath:
> Is a one-way mirror actually more reflective on one side than the other?
> Or is the effect simply achieved by having a dark room on one side and a
> lit room on the other?

To the best of contemporary knowledge, a true one-way mirror would be
physically impossible.

AFAIK the only optical element known to /not/ work the same in both
directions would be a black hole's event horizon -- and that one doesn't
reflect anything ;)

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