Math in the Media

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Mathematical Digest

Short Summaries of Articles about Mathematics
in the Popular Press

"Spinning eggs---a paradox resolved," by H.K. Moffatt and Y. Shimomura. Nature.

Mathematicians report "If a hard boiled egg is spun sufficiently rapidlyon a table with its axis of symmetry horizontal, this axis will risefrom the horizontal to the vertical. (A raw egg, by contrast, whensimilarly spun, will not rise.)." Associated Press posted the story"Mathematicians Solve Egg-Spin Mystery," picked up from researchreported in the brief communications section of Nature: "Just intime for Easter, mathematicians have cracked the mystery of why ahardboiled egg...whirls like a top."

--- Annette Emerson