Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as lecture material. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology in Stockholm According to Planck's radiation law. Physical law describing the energy aging from a black body, ideal and perfect radiant body lacking reflection skills and therefore absorbs all light. For more info see: Sjöstedt 1941?

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Size: 2526px × 1979px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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