It must be hard pushing pencils in the 21st century, with computers, BlackBerrys and a million other gadgets dominating our lives. But chances are that if you’ve taken any kind of standardized test ...
BENJAMIN FRANKLIN ADVISED them in his paper. Henry David Thoreau made them in his father's Concord factory. Most Americans don't even know that much about the pencil—a tool so ubiquitous it often goes ...
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