I think the "containerless processing technique" is an acoustic levitator. My friend was on the team building one for a Japanese investor who wanted to make a w

I think the "containerless processing technique" is an acoustic levitator. My friend was on the team building one for a Japanese investor who wanted to make a wine glass that didn't break when you knocked it over on your fancy granite worktop. See one working https://youtu.be/0K8zs-KSitc https://youtu.be/0K8zs-KSitc