Mick LiubinskasSydney, Australia If the world we observe is just our brain’s interpretation of the electro-chemical signals it receives from our eyes, what is the world actually like? Robert MorleyLondon, UK Last Word is New Scientist’s long-running series in which readers give scientific answers to each other’s questions, ranging from the minutiae of everyday life to absurd astronomical hypotheticals. To answer a question or ask a new one, email [email protected] To answer this question – or ask a new one – email [email protected].
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