Despite the name, pencils have never been made with lead. They’re made with graphite, a form of carbon. Just where does graphite come from, and why did we decided to write with it? NPR took a look ...
Dr Habeeb Ajimotokan, a Senior Lecturer in the Department of Mechanical Engineering, University of Ilorin, has fabricated a machine capable of producing different shapes of pencils in commercial ...
(JERSEY CITY, N.J.) — Writing and drawing utensils from General Pencil Company, Inc., have been helping to bring imaginations to paper for more than 125 years. The U.S. company has been owned and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback