The natural environment is still rich in new observable phenomena despite centuries of scientific observation. Reflecting this fact, the papers in this feature issue of Applied Optics report the observation and analysis of both new and well-known naked-eye optical phenomena.
Lock, James A., "Light and Color in the Open Air: Introduction by the Feature Editors" (1994). Physics Faculty Publications. 54.
Lock, James A. and Craig F. Bohren. "Light and Color in the Open Air: Introduction by the Feature Editors." Applied Optics 33 (1994): 4535-4536.
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