Exploring the Spectrum (1974)

An exciting video journey through the world of timelapse photography by one of the founders of the science of photobiology Dr John Nash Ott Do fluorescent lights cause cancer and childhood learning and behavior disorders Can longterm exposure to lowlevel radiation as from TV sets computers fluorescent lights and similar devices harm you Does living behind window glass and with glasses covering our eyes over years affect our health Is natural sunlight and trace ultraviolet radiation really harmful Or is it necessary and beneficial How do cells plants and animals respond to constant exposure to different light color frequencies These and similar questions were the subjects of Dr Otts pioneering investigations in the field of photobiology using the methods of timelapse photography