Maybe it’s dumb. But the video seems convincing. Ultrasonic knives are also used in some industrial and medical settings. So the concept does work. And the inve

Maybe it’s dumb. But the video seems convincing. Ultrasonic knives are also used in some industrial and medical settings. So the concept does work. And the inventor of this one worked at Sansaire, Anova, and other kitchen hardware places. So they have a lot of credibility producing real products.