Think touchscreens are a relatively recent invention? Think again: As far back as 40 years ago, scientists were exploring the possibilities of using fingers to interact with a screen. As demonstrated by the above video from 1982 (hat tip to Gizmodo for the link), their thinking wasn’t limited to capacitive or resistive touchscreens, which detect the pressure of a finger or stylus against glass; researchers also experimented with lining a PC screen with photodiodes that transmitted infrared. When someone touched the screen, it would break the infrared beam at a particular set of coordinates, giving the computer the data necessary to display something there. Check out the latest touchscreen-related jobs. What did those early researchers envision as the best use for touchscreens? Writing your name, playing games, and controlling machinery. That’s a very limited set of functions, compared to all the ways that people use touchscreens today.
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Think touchscreens are a relatively recent invention? Think again: As far back as 40 years ago, scientists were exploring the possibilities of using fingers to interact with a screen. As demonstrated by the above video from 1982 (hat tip to Gizmodo for the link), their thinking wasn’t limited to capacitive or resistive touchscreens, which detect the pressure of a finger or stylus against glass; researchers also experimented with lining a PC screen with photodiodes that transmitted infrared. When someone touched the screen, it would break the infrared beam at a particular set of coordinates, giving the computer the data necessary to display something there. Check out the latest touchscreen-related jobs. What did those early researchers envision as the best use for touchscreens? Writing your name, playing games, and controlling machinery. That’s a very limited set of functions, compared to all the ways that people use touchscreens today.
Upload Your ResumeEmployers want candidates like you. Upload your resume. Show them you're awesome.
Nick Kolakowski has written for The Washington Post, Slashdot, eWeek, McSweeney's, Thrillist, WebMD, Trader Monthly, and other venues. He's also the author of "A Brutal Bunch of Heartbroken Saps" and "Maxine Unleashes Doomsday," a pair of noir thrillers.
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