Question: Manny replaces the starter motor on the car Ray steals, and it works fine. Once the engine is running it doesn't need the starter motor, so how did all the cars suddenly stop if all the aliens did was fry the starters? Any cars already running wouldn't have been affected. Yes you could argue that it affected their ECU's, but not all cars have ECU's and some still rely on good old mechanical engineering.
Question: I've been looking all over for this answer and can't find it. I know this has been asked, but it has not been properly answered to what I can find. At the end of "War of the Worlds", Tom Cruise saw the birds and realised the shields were down. How did the shields deactivate? I understand that the aliens got sick and died from bacteria, but there must have been something else. Even if there were designated aliens to control each tripod's forcefield, there is no way that every "Shield duty" alien died before the other members of their crew, leaving their tripod mobile and vulnerable... Were they getting low on resources because they had eradicated too many humans too quickly? Did they decide that since the majority of people died, that they could focus on using more of their "fuel" towards mobility and capturing instead of combat?