Last Updated：2025/11/29
The illumination problem in mathematics asks whether a room with mirrored walls can always be illuminated by a single-point light source, and it was settled in 1958 when examples of rooms that cannot be so illuminated were found.
See correct answer
The illumination problem in mathematics asks whether a room with mirrored walls can always be illuminated by a single-point light source, and it was settled in 1958 when examples of rooms that cannot be so illuminated were found.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
Source Sentence
数学における照明問題、つまり鏡張りの壁を持つ部屋が点光源一つで常に照らせるかどうかを問う問題は、1958年にそのように照らせない部屋が存在することが示されて解決された。
