FastCompany reports that Chinese researcher have shown that translating voice commands
into ultrasonic frequencies inaudible to humans are easily recognized by voice assistants.
Not exact matches
Ultrasonic Humidifier: In this case, instead of the fan there is a little metal diaphragm, which vibrates at
ultrasonic frequency, breaking the water
into small drops, which then becomes a vapor mist.
The nebulizer vibrates at an
ultrasonic frequency to create mist that easily dissipates
into the air, rather than droplets that fall to the ground.
This option is
ultrasonic dissolution, in which high
frequency ultrasound waves disrupt or break the stones
into tiny particles that can then be flushed out of the bladder.