I came across these guys working on commercializing it with a bit of a spin on the approach (generating the sound waves a slightly different way): https://www.y

I came across these guys working on commercializing it with a bit of a spin on the approach (generating the sound waves a slightly different way): https://www.youtube.com/watch?v=NYUwME-dkC0 https://www.youtube.com/watch?v=NYUwME-dkC0