Editing Chiral

Something which is chiral is not symmetric about its own center. Its mirror image is asymmetric. The example often used to demonstrate this concept is one's own hand: 
Rotating one's own hand 180° does not return it to the original shape. The thumb and the pinky trade places and the front is distinct from the back.
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Chiral_Before.png|One's own hand before rotation (Thumb on left, pinky on right).
Chiral_After.png|One's own hand after rotation (Thumb on right, pinky on left).
Symmetry.png|The system of both hands is symmetric despite the individual chirality.
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