Book 21. More from Charles Stross and the Laundry. This time The Fuller Memorandum. And an echo of book 16.
"The laws of contagion and sympathy are fundamental to all systems of magic: quantum entanglement and spooky action-at-a-distance for the witch doctor set"
And how it might work:
‘Here is a standard paper clip. Until yesterday, it spent nearly five years at the back of a drawer, in close proximity to another paper clip, which is currently attached to the false Fuller Memorandum. The clips were stored in close proximity inside a Casimir amplification grid designed to boost the contagion field. It should be quite receptive right now.’ He places it on the conference table and produces a conductive pencil from his breast pocket. ‘If you will excuse me?’