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.
Love spent most of his working life in Fall River, Massachusetts, but he died in North Carolina in 1931. Love is most known for his invention of the portable pencil sharpener, which is an item still in use today in most schools in America. Love also invented the Plasterer's Hawk. This tool is used by bricklayers to spread plaster and mortar in a flat way.