Exploring the Hidden World of Lighting Flicker with a High-Speed Camera

Payne Institute Earth Observation Group Senior Research Associate Christopher D. Elvidge, Research Associate Mikhail Zhizhin, Director Morgan Bazilian, Ashley Pipkin, Sharolyn Anderson, and William S. Kowalik write about how alternating current can result in flickering—or pulsing—in the brightness of light emitted by luminaires.  However, evidence indicates that many organisms perceive flicker with non-visual photoreceptors present on the retinas. April 2, 2024.