We all know that when we look at something in a mirror, the image is back to front. Hold some writing up to a
mirror and it reads backwards. So why isn't it also upside down?
This came to me whilst having my digital camera take a self portrait for this site. I had to flip the image
horizontally, but not vertically. Hmmmmmmm.....
(By the way, I worked out the answer to this one, but I figured I'd give you something metaphysical to ponder
anyway).
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