Saved May 26, 2013 10:33:52 PM to The world is beautiful, the nature and travel | Category Travel & Places

Paper clip and its \
Paper clip and its \"parent\". And whether you know that such simple adaptation how an office paper clip, was invented relatively recently – in 1899? And Norwegian Yukhan Voler, the mathematician and the inventor became \"parent\" of the irreplaceable holder of sheets of paper.
  See details