-
1100
Slate boards
Slate boards were in use in India in the 12th century -
1440
Printing Press
The printing press was invented in Europe in th 15th century. -
Blackboards
Blackboards became used in schools around the turn of the 18th century. -
Transport Infrastructure
Improvements in transport infrastructure led to the development of the first formal correspondence education. -
BBC
BBC (The British Broadcasting Corporation) began broadcasting educational radio programs for school in the 1920s. -
Overhead Projectors
At the end of World War Two the U.S. Army started using overhead projectors for training, and their use became common for lecturing, until being largely replaced by electronic projectors. -
Television
Television was first used in education in 1960 for general adult education. -
Electronic Projector and Presentational Software
After overhead projectors, electronic projectors were used in education around 1990 -
Web-based Learning Management System
In the 1990s the cost of creating and distributing video dropped dramtically due to digital compression and high-speed Internet access. The technology allows students to view lectures at any time. -
Youtube
Youtube started in 2005 and it is increasingly being used for short clips that can be downloaded and integrated into online courses