CES 2026: This knife has a secret party trick. It vibrates when you cut with it.

I spent part of my Sunday night at CES 2026 chopping vegetables on the showroom floor of the Unveiled media event. But this wasn't your average cooking demo: My knife vibrated whenever I cut into a tomato.

SEE ALSO: What to expect at CES 2026

This might sound like some sort of twisted Cutthroat Kitchen challenge, but trust me — it's more practical than it sounds. Launching this month from the cutlery startup Seattle Ultrasonics...