CommentThe blue whale: the world's most versatile measuring stick? Feedback is delighted to hear from a reader who proposes an ingenious new unit of data – but we have some quibbles with the maths Regulars
CommentGeorge R. R. Martin finally finishes… a physics paper Feedback digs into the first peer-reviewed paper from the Game of Thrones author, and concludes that he may have picked the wrong fictional universe to analyse Regulars