A green future for scrap iron

Take a close look at that cheap piece of scrap iron before you toss it in the trash. Wei-xian Zhang has a good use for it. Someday soon, much of the world might also.

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<p><a href="http://www.physorg.com/news144941024.html">A green future for scrap iron</a></p> <p>Take a close look at that cheap piece of scrap iron before you toss it in the trash. Wei-xian Zhang has a good use for it. Someday soon, much of the world might also.</p>