Penrose stairs
English
Penrose stairs.
Etymology
After a drawing by Lionel Penrose and Roger Penrose.
Noun
Penrose stairs pl (plural only)
- An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to depict such a loop.
- For quotations of use of this term, see Citations:Penrose stairs.
Synonyms
- impossible staircase
- Penrose staircase
- Penrose steps
Translations
Further reading
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