Tuesday, 2 June 2015

Ancient Metallurgical Engineering - Still UNSOLVED !!!

   The IRON PILLAR of Delhi , India is an Ancient Development which is still unsolved !!! Thinking why !?! 

  Just because it was (supposed to be) built in about 912 BCE and still RUST is faaaarrrr away from it ! Till today its replica is yet to be made ! (Though study has been done and we know its metallurgy !) 

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