The don turns to the others and says, donnishly, "Information Theory would inform a mechanical calculator in much the same way as, say, fluid dynamics would inform the hull of a ship." Then he turns back to Waterhouse and says, somewhat less formally: "Dr. Turing has continued to develop his work on the subject since he vanished, from your point of view, into the realm of the Classified. Of particular interest has been the subject of just how much information can be extracted from seemingly random data."