If you’ve welcomed a new baby into the world in the past few years, chances are you’ve also had a brush with 3D ultrasound: a noninvasive technique that uses sound to image soft tissue, internal organs, and—yes—even babies in three dimensions.
Full article in Science AAAS : http://www.sciencemag.org/news/2017/12/simple-plastic-mask-makes-ultrasound-easy