Vehicle horn horn. Bicycles often have a classic "bulb horn", operated by squeezing a rubber bulb attached to a metal horn. Squeezing the bulb forces air through a steel reed located in the throat of the horn, making it vibrate, producing a single note. The flaring horn matches the acoustic impedance of the reed to the open air, radiating the sound waves efficiently, making the sound louder. Other types of horns used on bicycles include battery-operated horns (sometimes even car horns on 12-volt circuits are incorporated) and small air horns powered by a small can of compressed gas. Oliver Lucas of Birmingham,
Postcards from a Young Man more playful beast than that - poignant, joyful and above all really, really loud." Drowned in Sound gave an average score of 6/10 to the album: "It's an album which is self-aware enough to include, late on, a song called "All We Make Is Entertainment", and to end with another called "Don't Be Evil", an acknowledgement, perhaps, that that's all you can ask of a rock'n'roll band: refrain from actively making life worse. For 20 years, Manic Street Preachers have been making life better. They shouldn't worry. But if they didn't worry, what else would they do?" Pitchfork rated the