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Cosmic Queries – The Science of Invisibility with Greg Gbur
StarTalk Radio
How to Light a Room in Such a Way That Everything in It Is Black and White
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Tom Lindelius writes from Sweden. He asked, would it be possible to light a room in such a way that everything in it would appear black and white about 15 years ago. My physics teacher claimed that it was possible, but she never told me how to actually do it. Greg: Can you turn a room into only things that are black and white by choice of wavelength of illumination? I don't know if that's a posse.
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