Angels & Demons (Robert Langdon #1) by Dan Brown
The Director for European Organisation for Nuclear Research, Maximilian Kohler, comes to know of facility’s analyst, Leonardo Vetra, killed his chest branded with an ambigram (a word, art form or other symbols, whose elements have the similar meaning when viewed differently) “Illuminati” is the word used by him. Kohler talks to Verta’s adopted daughter, Vittoria and it is found that Illuminati, is an ancient – non-religious organization though inactive have taken a bucket which has an antiparticle, substances with destructive things.
While in CERN (European Organisation for Nuclear Research) the bucket is stored in a safe place( a uniquely build electrical charger), where the antiparticles will be stable, the back up for the same gives power for around a day or so, after that the antiparticle will fall from suspension and then come in contact with physical matter of container, blast. The bucket is placed in Vatican City( Rome), along with a camera, placed in front of it, it has has a digitally build a clock, Which will explode at midnight, wiping the whole city.