How the Universe Differs From Its Mirror Image

From living matter to molecules to elementary particles, the world is made of “chiral” objects that differ from their reflected forms. The post How the Universe Differs From Its Mirror Image first appeared on Quanta Magazine

May 14, 2025 - 15:02
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How the Universe Differs From Its Mirror Image

After her adventures in Wonderland, the fictional Alice stepped through the mirror above her fireplace in Lewis Carroll’s 1871 novel Through the Looking-Glass to discover how the reflected realm differed from her own. She found that the books were all written in reverse, and the people were “living backwards,” navigating a world where effects preceded their causes. When objects appear different…

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