TechnologyWhy haven't we got useful quantum computers yet? Four years after Google first demonstrated the supremacy of quantum computers over ordinary ones, why aren't these exotic machines being used for practical problems? ¿ìè¶ÌÊÓÆµ
CommentRead an extract from Bridge by Lauren Beukes This tantalising extract is taken from Bridge by Lauren Beukes, the latest pick for our ¿ìè¶ÌÊÓÆµ Book Club. It sees Bridge discovering something mysterious in her late mother's freezer - something which might open doors to other worlds Culture