Last Updated
:2025/11/28
Penrose steps
Noun
plural
plural-only
Japanese Meaning
物理的に実現不可能な階段で、絶えず上昇または下降しているように見える錯視効果を利用した構造物。 / 錯覚によって、無限に続く上昇・下降のループを形成しているかのように見える階段のこと。
Quizzes for review
An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
Penrose steps
The museum's new installation features a slowly rotating model of Penrose steps that seems to climb and descend forever.
See correct answer
The museum's new installation features a slowly rotating model of Penrose steps that seems to climb and descend forever.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1