-
About 350,000 our ancestors used ocher and manganese to draw on objects and or their skin our ancestor groups identified themselves with symbols of color
-
cave drawings range from 30,000 bc to 10,000 bc and come in all sorts of shades and forms
-
Johannes Gutenberg a german inventor invented the printing press in 1440
-
Dates back to atleats 1714 when henry mill filled out a worded patinet for a machine for the impressing of letters progressively one after another
-
a french engineer named claude chappe and his brother ignace invented the telegraph