Not exact matches
The FDA warns against having
ultrasounds for fun (as opposed to for medical reasons), since such three - dimensional imaging
machines use higher
power than the typical
ultrasound machines at your doctor's office.
Acoustic tweezers use the same low -
power acoustic waves as those used in existing
ultrasound machines, so they are gentle and can preserve cell integrity.
Because of space and
power constraints, an
ultrasound machine has been the only medical imaging tool for humans on the ISS since 2002.