Diagram of normal sinus rhythm as seen on ECG. In atrial fibrillation the P waves, which represent depolarization of the top of the heart, are absent.
The wah-wah pedal is based on a simple concept but its effect is far more dramatic. Using a powerful filter to sweep through a broad frequency spectrum, the wah pedal boosts and exaggerates specific tones. Creating sounds that range from thick, flubbery bass to scratchy, stinging treble.
How sway bars work, and why people use them. Here's how a sway bar works. Normally, without a sway bar when the car corners the weight of the chassis. shifts toward the outside of the turn compressing the springs on that side. The. springs on the inside generally extend a little, or do nothing.