Transparent Aluminum aka Star Trek III

[john_316]

Well its official and Scotty didnt create it but we do now have transparent aluminum...<br /><br />http://www.livescience.com/technology/051018_new_glass.html<br /><br />Stops .50 cal armor piercing bullets tooo....<br /><br />The sci-fi future is near if you ask me....<br /><br /><br /><img src="/images/icons/smile.gif" /><br /><br />

 

[grooble]

Could this be used for larger windows on space craft?

 

[tomnackid]

Sapphire and ruby are basically natural transparent aluminum oxide with a few impurities providing the color.

 

[tohaki]

Star Trek IV