Seattle Ultrasonics claims its C-200 8-inch chef's knife uses ultrasonic energy to vibrate the blade more than 40,000 times a second to reduce friction as you cut through foods smoothly. The company explains that, rather than a vibrating motor, the C-200 uses uses PZT-8 piezoelectric ceramic crystals to generate ultrasonic vibration. The World's First Ultrasonic Chef's Knife for Home Cooks: Seattle Ultrasonics C-200As someone who's awfully slow in the kitchen and bad at chopping stuff, I can get behind that. I can't get enough of that orange power button Seattle UltrasonicsFind the C-200 on Seattle Ultrasonics' site. Source: Seattle Ultrasonics