Aboard the bridge of the Starship Enterprise, you might hear Cpt. Kirk giving the order, “Full power to the shields, Mister Scott.” With any luck, the hypothetical spaceship’s shields would repel the proton torpedoes that a Romulan Starship had fired. Well, if they can create a force field to protect a spaceship, how hard would it be to create a force field to keep leaves out of your gutters