How can I use a mirror to make a death ray? What is the colour of a mirror? Why do mirrors flip left and right, but not top and bottom?

Let's step in through the looking-glass to learn about the simple yet amazing invention that is the mirror! 

Diagram showing light's angle of incidence and angle of reflection - MinutePhysics
Enantiomers - John Wiley and Sons Inc
Hand with Reflecting Sphere by MC Escher
How a telescope works

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