“[R]adiation in empty space will be investigated..⇒ the [associated] black bodies must have a refracted index which differs infinitely little from 1.”
- #wikiquote
- #saying
- #undated
- #lang:en
“[R]adiation in empty space will be investigated..⇒ the [associated] black bodies must have a refracted index which differs infinitely little from 1.”
Captured 2026-08-17 from Wikiquote (en). The archived copy is preserved so this citation survives link rot.