The Adventures of Tintin: The Calculus Case

One evening, strange things begin to happen in Marlinspike Hall – out of the blue, windows, mirrors, vases, chandeliers shatter into tiny pieces. Trying to figure out what's going on, Tintin notices that all the incidents with exploding glass occur when Tournesol is in his laboratory. And indeed, as soon as the professor left for Geneva for a congress on nuclear physics, everything immediately stopped! Well, the crates full of broken glass found in Tournesol's laboratory only confirmed this hunch. Worse still, after visiting the laboratory, it becomes clear to Tintin and Captain Haddock that someone is very interested in their friend's scientific developments. Without wasting any time, they fly to Geneva to warn the professor of the danger…