Ultrasonic Knives After CES 2026: What Really Keeps a Vibrating Blade Stable

At CES 2026, one of the most quietly disruptive kitchen technologies was not a new AI appliance or robotic arm, but a knife. On stage and in hands-on videos, the Seattle Ultrasonics C‑200 ultrasonic chef’s knife appeared to glide through tomatoes, cakes, and sticky foods with alm...