ultrasonic

Instead of relying on solar heating, the team uses ultrasonic vibrations that shake the moisture loose.

For 45 minutes, a “Q-facial” machine sprayed, vacuumed, exfoliated and hydrated my face, delivering ultrasonic waves at two different depths.

Unlike insects, birds cannot detect the bats' ultrasonic calls and only realize the danger moments before being caught.

When some plants are dehydrated or under some other form of stress, they cry a mournful melody made of ultrasonic clicks.

The team was able to remove the expensive metals and circuit components by placing leaftronics in an ultrasonic acid bath.