you ca n't actually see many colors ; there are many more colors around us that the human eye ca n't detect . David Harbisson was once colorblind but now perceives color through hearing . He invented a device that produces sounds based on frequencies of colors . Harbisson says he 's become a cyborg , with a color sense beyond the physical . He says we do n't need evolution to increase our color , technology can do it .
David Harbisson was once colorblind but now perceives color through hearing . He invented a device that produces sounds based on frequencies of colors . Harbisson says he 's become a cyborg , with a color sense beyond the physical . He says we do n't need evolution to increase our color , technology can do it .