Crosswords4 mins ago
Two-way mirrors
3 Answers
How do those two-way mirrors work? You know, the sort they use for observing people secretly, with a mirror on one side, but transparent on the other? Thanks!
Answers
Best Answer
No best answer has yet been selected by flirty41. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Just found this link, which gives a slightly fuller explanation:
http://www.howstuffworks.com/question421.htm