History of techs in education By kkaval Nov 2, 1450 Gutenberg Printing Press Nov 2, 1801 First Blackboard in Edinburgh, Scotland Nov 2, 1900 Pencil First pencil was invented in 1900. Nov 2, 1950 First TV Nov 2, 1972 1st Calculator Nov 2, 2000 Laptops Nov 2, 2010 Smart watches
