2 votes
Accepted

Non-ionizing sound waves

You're right: their description contains redundancy. I think the reason for the extra clarification may be to make sure readers understand that the method does not involve X-rays (which are ionising, ...
  • 589
1 vote
Accepted

Which deteriorates hearing faster; treble or bass?

There are a number of issues wrapped up in this question. The first, which deteriorates faster treble or bass, is that Presbycusis, age related hearing loss, is a high frequency (i.e., treble) ...
  • 1,432
1 vote

Non-ionizing sound waves

Precisely to emphasize the safety of ultrasound and to point out that you or your fetus will not be subjected to any sort of radiation as it may be the case in some of the other popular imaging ...

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