Workshop Description
Black and white photography captures luminosity with dramatic effect.  But we humans extract more visual information in a scene than gray shade.  We see color.  The ‘What is Color’ workshop explores the meaning of color with an eye toward photography.  Color is not an intrinsic property of an object.  Under red light, a blue table looks almost black.  Instead, color is a perceptual quality that depends on illumination, material composition and the eye of the beholder.  We will discuss light, its interaction with things, its perception and misperception by humans and systems to encode and quantify color to get it right in photography.  This workshop uses everyday concepts to explain color in a way that is accessible to all.  ‘What is Color’ will be pitched at the level of Nova or NPR’s Science Friday and is intended for a non-technical audience but also should entertain techies who attend.
About the Instructor
David Ackerman is a practicing physicist with four decades experience studying, understanding and finding practical uses for light including optical communication and various forms of photography.  During this time, he has taught courses and workshops in his field at the grade school, university and professional level as well as ‘Physics of Photography’ in 2017 at PPC.
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