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The Television
The use of film in the classroom was becoming more popular once the television was created.
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Hand Held Calculator
The calculator was slow to enter into the classroom as teachers were worried that students would lose the ability to do mental math.
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The Personal Computer
The computer took some time to get into classrooms, but once it happened, teachers knew they were on the verge of greatness. Link text -
Interactive Whiteboards
This white board mixed with the computer allowed students to interact with the lessons on the board.
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