In the 1950's television were incorporated in classrooms across the country. This allowed teachers to display instructional movies.
Overhead projetors become a major part of the classroom, and were in high circulation till the 1990's. This allowed the teachers to present their material in a new way, and a more interactive way. Teachers could keep the overhead sheets for future use.
Video recorders are invented, allowing movies to be displayed.
Computers are considered to be in use in wide range, with 13% of public high schools using them. Allowing students access to new technology.
Apple introduces the Macintosh, and in later years is distributed to schools. Allowing schools to prepare projects on the computer.
Microsoft Windows is invented. Allowing teachers to incorporate printed text in the classroom.
World Wide Web
Tim Berners-Lee invents the world wide web. Allowing information to be accessed easier for reports and projects. The digital camera is invented, allowing students to document things easier.Computers are now very common and exist in almost every school district
Texas Instruments produces the graphing calculator, allowing students to get instant visuals of mathematical graphs.
USB flash drives
IBM introduces the USB flash drive commercially, eventually released to the public. This drive allowed students and teachers to bring projects to and from school to present, and allowed teachers to prepare powerpoints beforehand.
Smartboards, an interactive board, are introduced into the classroom, and begin taking the place of white boards and chalk boards. These allowed a more interactive classroom, and starting the progression of more interactive technology.