Penrose stairs
Jump to navigation
Jump to search
English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/34/Impossible_staircase.svg/283px-Impossible_staircase.svg.png)
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
|
Further reading
[edit]Penrose stairs on Wikipedia.Wikipedia