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
Sound the Alarm (Saves the Day album) Sound the Alarm (Saves the Day album) Sound the Alarm is the fifth studio album by American rock band Saves the Day. After signing to major label DreamWorks Records, the band released "In Reverie" in late 2003. Shortly afterwards DreamWorks Records was absorbed by Interscope Records, resulting in the band being dropped from label. After completing some songs in early 2005, the band was aiming to record in May, hoping to release the album in the fall. Pre-production took place in early August with recording being done at the band's own studio, Electric Ladybug Studios with Steve Evetts as the