The idea of cellphones is not new to the human race. Its development started in the year 1947 when these were used mainly for military operations and required a large backpack device to transmit phone’s signals to the nearby power stations. It was Doctor Martin Cooper who invented the first cellphone on April 3,1973. During […]
Who invented telephone?
The first telephone was made by Alexander Graham Bell in 1876. Historians believe that another inventor Elisha Gray also invented the telephone at the same time independently and both the inventors rushed to the patent office to get their invention patented but Graham Bell got the patent first on March 7, 1876. Graham bell was […]