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"None of us, no matter what continent or island or ice cap, asked to be born in the first place, and that even somebody as old as I am, which is 80, only just got here."
- Kurt Vonnegut
 |
| Prime Radiant | ||
| A projector that puts all of a vast collection of writings on the wall of a special conference room. You could interact with it by writing on the wall; changes were stored. |
Why don't they have this kind of projector in conference rooms? One particularly nifty aspect of this device was that people who stood before it cast no shadow, despite the fact that it seemed to radiate from a single device in the middle of the room. You could interact with it (change the content) by writing directly on the wall of the room. Teachers from the old school might appreciate being able to write directly on the "slide" and have it saved automatically for the next time they gave the lecture.
| The long walls of the room glowed to life. Finally, the fine neatly printed equations in black, with an occasional red hairline that wavered through the darker forest like a staggering rillet. |
| From Second Foundation,
by Isaac Asimov. Published by Doubleday in 1953 Additional resources -
|
I wonder if this sort of projector and screen might lend itself to extended work, as opposed to ordinary terminals, on which one is forced to scroll much more often.
I've seen various kinds of electronic whiteboards. I believe that some of them allow at least minimal interaction between the board and the application that projects images upon it. For example, you could press the pen upon a section of the screen to move ahead to the next page.
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