The Graphite Pencil was discovered before 1565, when a deposit of graphite was discovered near Grey Knotts of Seathwaite in Cumbria, England. The locals being traditional farmers found that it was ...

And have you ever thought about the history behind those school essentials ... Jacques Conté pioneered a way of blending graphite and clay into a pencil lead - the birth of the pencils we ...

Can copper be turned into gold? For centuries, alchemists pursued this dream, unaware that such a transformation requires a ...