This is a Revolution in metallurgy & materials science.
https://mobile.twitter.com/Rainmaker1973/status/1339998545827549189
https://mobile.twitter.com/Rainmaker1973/status/1339998545827549189
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Massimo
Aluminium oxynitride is a ceramic composed of aluminium, oxygen & nitrogen. It's optically transparent & four times harder than fused silica glass, 85% as hard as sapphire. ALON-based armor can stop multiple armor-piercing projectiles of up to .50 BMG cal…