undefined | Better HN

0 pointsesafak6mo ago0 comments

It's ultrasonic; the frequency is much higher while the amplitude is much smaller.

0 comments

The video mentions that the knife vibrates over 40000 times per second.

j / k navigate · click thread line to collapse

0 pointsesafak6mo ago0 comments

It's ultrasonic; the frequency is much higher while the amplitude is much smaller.

The video mentions that the knife vibrates over 40000 times per second.

j / k navigate · click thread line to collapse