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Scientists claim to have found colour no one has seen before
Contested discovery achieved by experiment firing laser pulses into eyes, stimulating retina cells
“We predicted from the beginning that it would look like an unprecedented colour signal but we didn’t know what the brain would do with it,” said Ren Ng, an electrical engineer at the University of California, Berkeley. The researchers shared an image of a turquoise square to give a sense of the colour, which they named olo, but stressed that the hue could only be experienced through laser manipulation of the retina. The researchers believe the tool, named Oz vision after the Emerald City in the L Frank Baum books, will help them probe basic science questions about how the brain creates visual perceptions of the world.
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