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A comment on Detroit DIYer cooks up stronger, lighter steel, shames scientists. Parent comment

Re:Detroit DIYer cooks up stronger, lighter steel, shames sc... by eru on Monday June 13, 2011 @07:33AM (#2648704)
> 7) Transparent aluminum

Just joking?

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Re:Detroit DIYer cooks up stronger, lighter steel, shames sc... by ars on Monday June 13, 2011 @08:16AM (#2648763)
He might not be, transparent aluminum is also called:

  Alumina
  Aluminium oxide
  Corundum
  Sapphire
  Ruby
Lots of names for the same thing. It's an incredibly hard material, but it's not really strong, if you define strong as tough.

It forms immediately on the surface of all aluminium that is exposed to air, and prevents the aluminium from corroding any further.

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