Penrose steps

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English

Penrose steps

Etymology

After a drawing by Lionel Penrose and Roger Penrose.

Noun

Template:en-plural noun

  1. An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one.
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    • 2011 May 13, Amal A. Islim, Walking with the Vain Cattle: In the Womb of Life, the Plant of Miracle Is Ready to Blossom a White Flower, Bloomington: Balboa Press, →ISBN, →OL:
      I'll have my heaven, / Where heaven is love and love is my heaven. / I just have to climb through those Penrose steps! / Till I find sky number seven.
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Synonyms

Translations

Penrose stairs — see Penrose stairs
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