Transparent Alumnia...
Been around since Mr Scott and the rest of the crew came back and saved the whales. Of course they now call it Aluminium oxynitride and make bullet proof things out of it https://en.wikipedia.org/wiki/Aluminium_oxynitride
Been around since Mr Scott and the rest of the crew came back and saved the whales. Of course they now call it Aluminium oxynitride and make bullet proof things out of it https://en.wikipedia.org/wiki/Aluminium_oxynitride