Penrose stairs

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English[edit]

Penrose stairs.

Etymology[edit]

After a drawing by Lionel Penrose and Roger Penrose.

Noun[edit]

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 using this term, see Citations:Penrose stairs.

Synonyms[edit]

impossible staircase
Penrose staircase
Penrose steps

Translations[edit]

endless staircase

Finnish: Penrosen portaat
German: unmögliche Treppe f
Swedish: Penroses trappa c

Further reading[edit]

Penrose stairs on Wikipedia.Wikipedia

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