Anterovium/Alamy
Will we ever be able to tell if an AI gains consciousness?
Xavier Sainton,
Troyes, France
Andreas von Einsiedel/Alamy
I have a stainless steel kitchen sink. When I clean it with bleach, leaving it instantly gleaming, what happens to the particles that were staining it?
Patrick Lowry,
Falmouth, Cornwall, UK
To answer this question – or ask a new one – email lastword@newscientist.com.
Questions should be scientific enquiries about everyday phenomena, and both questions and answers should be concise. We reserve the right to edit items for clarity and style. Please include a postal address, daytime telephone number and email address.
Âé¶¹´«Ã½…



