Striving to make these details as realistic as possible on screen, Howard and his film crew visited CERN, used one of its physicists as a science consultant, and devoted meticulous care to designing the antimatter canister that Hanks' character, Robert Langdon, and his sexy scientist colleague, Vittoria Vetra (Ayelet Zurer), wind up searching for.

But there was nothing they could do about the gigantic impossibility at the center of the plot. While the high-energy proton collisions generated at CERN do occasionally produce minute quantities of antimatter — particles with the opposite electrical charge as protons and electrons, but the same mass, which can in turn be combined into atoms like antihydrogen — it's not remotely enough to power a bomb. As CERN quips on a Web site devoted to "Angels & Demons," antimatter "would be very dangerous if we could make a few grams of it, but this would take us billions of years."

Continue Reading...