UPDATE
The 1970s saw the advent of the Scantron, changing the face of multiple-choice tests. The arrival of the handheld calculator in the 1970s and the graphing calculator in 1985 then altered math and physics classes. Mass-market computers appeared in the early 1980s and quickly invaded classrooms. Now students around the world attend class on the Internet, and 3-D printers (
SN: 3/9/13, p. 20) produce parts that students can use to invent and engineer. But despite technological change, some things remain the same. Students retain more when they take notes with pens than with laptops (
SN: 5/31/14, p. 14).
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