Orange Peels and Fresnel Integrals

Laurent Bartholdi, A.G. Henriques

Research output: Contribution to journalArticleAcademicpeer-review


Cut the skin of an orange along a thin spiral of constant width and place it flat on a table. A natural breakfast question, for a mathematician, is what shape the spiral peel will have when flattened out. We derive a formula that, for a given cut width, describes the corresponding spiral’s shape.
Original languageEnglish
Pages (from-to)1-3
Number of pages3
JournalThe mathematical intelligencer
Issue number3
Publication statusPublished - 2012


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