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→Ultrasound Imaging
===Applications===
====[[Ultrasound Imaging]]====
: [[Ultrasound]] can be [[reflect]]ed and , [[refracted]] or [[Absorb (Physics)|absorbed]] at the [[interface]] between different [[media]]. This can be used, along with a computer, to create images of the internal structure of an [[object]]. This is particularly useful for [[opaque]] [[object]].
: [[Ultrasound]] is generally used to detect cracks in large [[metal]] structures.
: [[Ultrasound]] is used in [[hospital]]s to create images of [[organ]]s and of the [[foetus]] of [[pregnant]] [[women]].