http://www.nrl.navy.mil/media/news-releases/2015/transparent-armor-from-nrl-spinel-could-also-ruggedize-your-smart-phone
Cool but not exactly new. Making it cheap would be great news.
https://en.wikipedia.org/wiki/Aluminium_oxynitride
Cool but not exactly new. Making it cheap would be great news.
https://en.wikipedia.org/wiki/Aluminium_oxynitride