Bwaz@lemmy.worldtoAsk Lemmy@lemmy.world•Why does a mirror only flip left and right but not high and low?
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8 days agoIt’s because left/right are physical relationships that are relative to YOU. Up/down are relative to the center of the earth. Up/down are relative to you only if you aren’t upsidedown.
MaryJanes. Should be outlawed by international convention.