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illumination problem

noun

Etymology

From illumination + problem.

  1. derived from πρόβλημα — “anything thrown forward, hindrance, obstacle, anything projecting, a headland, promontory”
  2. derived from problēma
  3. derived from probleme
  4. inherited from probleme
  5. compounded as illumination problem — “illumination + problem”

Definitions

  1. A mathematical problem, asking whether a room with mirrored walls can always be…

    A mathematical problem, asking whether a room with mirrored walls can always be illuminated by a single-point light source, allowing for repeated reflection of light off the mirrored walls. It was solved in 1958: there are such rooms that cannot be thus illuminated.

The neighborhood

Vish — recursive loop

No curated loop yet for illumination problem. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA