Vehicle horn England, developed a standard electric car horn in 1910. Car horns are usually electric, driven by a flat circular steel diaphragm that has an electromagnet acting on it in one direction and a spring pulling in the opposite direction. The diaphragm is attached to contact points that repeatedly interrupt the current to that electromagnet causing the diaphragm to spring back the other way, which complete the circuit again. This arrangement opens and closes the circuit hundreds of times per second which creates a loud noise like a buzzer or electric bell, which sound enters a horn to be amplified. There
Poppa's Got a Brand New Badge the episode was also pitched by Gould, who had just moved to southern California with his wife. After moving in, the two decided to install an alarm system because, Gould quipped, "the police aren't enough. Too many people wanna kill you." When meeting the other writers, Gould pitched an episode in which Homer becomes the owner of a security company, which then became "Poppa's Got a Brand New Badge." Although current showrunner Al Jean found it "very funny," the episode's first draft was heavily altered after the first table-read, a process in which the script is read out loud to