What is white?

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• Jenny Bosten
• Tuesday 20 May 2014, 21:00-21:30
• Senior Parlour, Gonville & Caius College.

If you have a question about this talk, please contact Paulina Rowicka.

When participants are asked to make settings of the colour white in a dark room, the settings vary to a surprisingly large degree in a blue-yellow colour direction. The nature this uncertainty may provide a clue to what it is that causes us to perceive a stimulus as white. I will present the results of a series of experiments that aimed to test the hypothesis that white may be perceived as any stimulus that could plausibly arise from the combination of a surface reflecting all wavelengths of light equally, and a natural illuminant. I will discuss how far the evidence favours this or other hypotheses for what is white.

This talk is part of the Caius MCR/SCR research talks series.

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• Senior Parlour, Gonville & Caius College

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