The ans is - Refrigeration
What machine, called the world's first working programmable, fully automatic computing machine, was completed and demonstrated in 1941 and destroyed in 1943?
What was one of the immediate effects of the sinking of the liner, Lusitania, en route from New York, USA, to Liverpool, UK, by German submarine in 1915?
Who invented the first programmable computer? What did the first programmable computer do?
