VIDEOS

                             WORLD WAR 2

World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945

A Briefer History of Time: How technology change

This link video category a the technology very fast to move the life.tody life is mission work

.any time.human are now save time  importent.this video explain small and short a technology impoore ment in world. i like the video so share the to my friends

 https://youtu.be/fD58Bt2gj78