Henry David Thoreau and his father invented the graphite, which creates very readable text; This became standard in classrooms and is the world's first #2 pencil.

In an era defined by rapid technological innovation, the convergence of traditional art with artificial intelligence is reshaping creative landscapes. The fusion of pencil sketches and advanced AI ...

Telegraphs were first proposed in the late 1700s, using 26 wires, one for each letter of the alphabet ... For example, Morse’s telegraph used a pencil to mark paper, while Vail used a steel ...