Why Do Mirrors Flip Horizontally (But Not Vertically)?

This video by Physics Girl is a great explanation of how mirrors work, and why we think they flip horizontally but not vertically. The answer is that mirrors actually flip images on the Z-axis. It’s really rather fascinating. Onwards!

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One Response to Why Do Mirrors Flip Horizontally (But Not Vertically)?

  1. Pingback: Crazy Pool Vortex | Richer Ramblings

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