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 1948-1958. Description of Planck's radiation law. Physical law describing the energy aging from a black body. That is, an ideal and perfect radiant body lacking reflection skills and therefore all light absorbs light.

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Size: 2275px × 2197px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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