Acoustic holograms
Researchers can create complex patterns in air and water using ultrasonic waves. By placing 3D printed plates in front of speakers, they can levitate water droplets and propel small objects.
Read more: http://www.nature.com/doifinder/10.1038/nature19755
Видео Acoustic holograms канала nature video
Read more: http://www.nature.com/doifinder/10.1038/nature19755
Видео Acoustic holograms канала nature video
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