and urban societies. This period of modern inventions resulted in the Industrial revolution, The 2nd stage of the Industrial revolution started in the late 20th century. It was based on innovation in communications and information technology. The biggest innovation of that time was the telegraph. The telegraph revolutionized technology across the oceans.
and urban societies. This period of modern inventions resulted in the Industrial revolution, The 2nd stage of the Industrial revolution started in the late 20th century. It was based on innovation in communications and information technology. The biggest innovation of that time was the telegraph. The telegraph revolutionized technology across the oceans.