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The interesting bit is when I was introduced to LOGO on a spare SDS 940 in the basement, it wasn't all about moving a turtle around (I think they were still wor
by OhMeadhbh 3y ago
The interesting bit is when I was introduced to LOGO on a spare SDS 940 in the basement, it wasn't all about moving a turtle around (I think they were still working on that bit), it was about manipulating strings. The first LOGO program I wrote constructed sentences from lists of nouns and verbs. Later when my mom taught me Lisp, we added prepositions and phrases.
While I was lucky to see LOGO as a child, I completely missed out on the robot phase of the language, which I think was what Seymore Papert was most interested in. (Though I did get to play with a graphical turtle with TI Logo in the very early 80s.)
I re-read Mindstorms a few years ago and I have to think Papert must have thought turtle graphics were a half-measure. A __LOT__ of what he talked about was how children "embody" abstractions to learn how the world works. Somewhere out there I saw a video of kids in the UK who, without a computer, were taking turns being the turtle while other kids recited program instructions to the "turtle." I think the implication was that it embodied many of his research objectives, even thought there was no computer (other than the kids) present.
- larsbrinkhoff 3y agoI'm curious about that 940. Was that at BBN, or where? At what point in time did you see it? Why was is a spare; had it been decommissioned?
- OhMeadhbh 3y agoFor the benefit of someone digging through comments in a future generation. I chatted w/ Lars via email. My memory of "doing LOGO" on a 940 comes from typing on a terminal that was sitting next to a 940. It's entirely possible the terminal was connected to another machine, and it just happened to be next to the 940. Lars suggested LOGO was actually running on a PDP-11, which is certainly within the realm of possibility. Alas, I am depending on memories from over 50 years ago, so I can't be completely sure.