Cybersecurity refers to the preventative techniques used to protect the integrity of networks, programs and data from attack, damage, or unauthorized access.
Pencils were invented in 1795 by a French scientist named Nicolas-Jacques Conte. He used a mixture of graphite, clay and water baked in a kiln to create the lead of the pencil. He then housed this mixture in a wooden frame for writing. Continue Reading.
Around 4000 BC Man was using a bronze tool to scratch the surface of a moist clay tablet. 600-1800 AD the Europeans used the quill pen which they used to right on parchment paper. In 1790 the first pencil lead was invented in France and Australia. In 1953 the first inexpensive ball point pen was first mass produced.From 1997 to present day they invented finger pens which were designed to not have to use three fingers to write with.n 1790 the first pencil lead was invented in France and Australia. In 1953 the first inexpensive ball point pen was first mass produced. From 1997 to present day they invented finger pens which were designed to not have to use three fingers to write with.