| http://www.w3.org/ns/prov#value | - Tehran, Iran | Posted on October 1st, 2011After ten years of research, scientists at Iran's Research Institute of Petroleum Industry synthesized the material, whose production has been a challenge in the world of nano-technology since it was discovered in 1991.The black powder consists of tube-shaped molecules made of carbon, and like other forms of pure carbon, it gets its strength form strong bo
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