Metamaterial “Lego” creates simple, energy efficient “3D acoustic holograms” from any speaker

Metamaterial "Lego" creates simple, energy efficient "3D acoustic holograms" from any speaker

3 pictures View gallery – 3 images This simple way of creating incredibly rich, intricate soundscapes is made from an array of 3D printed metamaterial blocks that sits in front of a speaker. Engineers from Duke University have developed a way to create acoustic "holograms" that promise to be as magical as visual holograms – all by placing an array of 3D-printed acoustic building blocks in front of a sound wave. When we talking about "three dimensional sound waves" we’re acknowledging that sound waves don’t just carry sound and volume – they also convey spatial information that is missing […]

Leave a Reply

Your email address will not be published. Required fields are marked *