Assess the arousal intensity of the sentence "Workers probably switch to patrolling based on their perceived life expectancy and as a function of a gene whose expression changes between young and old ants, and this is easily emulated using a clock pulse counter in Antie’s CPU that will count its “age” since last boot." based on the mood of the author. Offer a numerical rating between 0 and 1, with 1 representing highly energetic and 0 representing highly calm.