Tell about invention of Printing ?

It works on the principle that water and oil (ink) don't mix.

Using metal or polyester sheets (called plates),

vimage and non-image areas are burned onto the plate using light to expose the image areas.

There are four main categories of printmaking: relief, intaglio, lithography, and screenprinting.

Each color in a print usually requires a separate stone,

plate, block, or stencil, and any of these basic processes may be combined in the creation of a finished work.

Writing Paper also known as Correspondence Papers or Bond Papers

This writing grade historically called Bond papers are designed for letterhead,

corporate identity and home or office printers.

They perform well for handwriting.

1822: Nicéphore Niépce invented Heliography, the first photographic process. 1822: Charles Babbage, considered the "father of the computer

begins building the first programmable mechanical computer.

1824: Johann Nikolaus von Dreyse invents the bolt-action rifle.

The Electric Dynamo – 1831. The phenomena of electricity had been known by tmahe ancient Greeks.

Analytical Engine (computer) – 1860s. Charles Babbage's analytic engine is often seen as the forerunner of the modern computer.

Pasteurisation – 1864.

Plastic – 1869.

Phonograph – 1877.

Lightbulb 1879.

Bicycle 1885.

Aluminium 1886

THE WHEEL is often described as the most important invention of all tim

it had a fundamental impact on transport and later on agriculture and industry.

The wheel-and-axle combination was invented around 4500 BC and was probably first used for a potter's wheel.

View any files that have been printed to the printer by clicking on the printer within the "Devices and Printer" menu that was opened in the previous steps.