Toroid
Founding Member
Aluminum oxynitride or AlON is a clear ceramic comprised of aluminum, oxygen & nitrogen. It's ten times stronger than bulletproof glass.
Aluminium oxynitride - Wikipedia
www.youtube.com/watch?v=OaYt62_osYA
Aluminium oxynitride - Wikipedia
www.youtube.com/watch?v=OaYt62_osYA