In 2004, Neil convinced a doctor to implant into his skull an antenna that detects and transposes colors into corresponding tones — allowing him to hear color through bone conduction.

Because literally speaking, there is, surely, no relation between the realm of colour – appreciated through our eyes – and the sounds we hear and experience through our ears. And yet ...

But even though Neil can't see color doesn't mean he can't sense it. That's because Neil Harbisson is a cyborg who can hear color. In 2004, Neil convinced a doctor to implant into his skull an ...