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      How Does a Two-Way Mirror Work?

      By Alvin Ward | Mar 3, 2015

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      In this week's episode, Craig Benzine takes a long, hard look in the two-way mirror.

      See Also...

      Why Don't Humans Have a Mating Season?
      Why is the Heart Associated With Love?
      Is Blood Ever Blue?

      Don't miss an episode—subscribe here! 

      [Images and footage provided by Shutterstock.]

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