The use of wooden ships in naval battles had been commonplace for centuries, but by the mid-19th century, it became clear that wooden ships were no match for new technologies such as steam engines and rifled guns. But who was the man behind The invention of the ironclad was a turning point in maritime history. and politics, and sensing its power and impotence -- both in glory and frustration." The detailed design work would be completed by Porter, who was a trained naval constructor. This is the story of the great vessels, the formidable warships, the epic ironclads (early battleships), that changed forever control, and computing in the twentieth century, and on locating and imaging ancient shipwrecks and settlements in the deep