Mary Lou Jepsen On The Future of Computer Design
Question: What do you see when you use an XO laptop?
Jepsen: Yeah. Word processing, internet, drawing, music making applications, there’s a video camera and video editing. What else is there? There’s a built-in oscilloscope which you can turn into like an EKG heart monitor or anything else or alarm systems if you don’t want to see who’s going where. There are lots of different programming environments. One programming environment is really simple and you snap together commands sort of like Lego pieces. It’s called Turtle and it was originally written in the ‘60s by sort of one of the fathers of this project, Seymour Papert who studied with Piaget and came up with really pushing forward the idea that the computer is the most powerful technology of our time and we should use it with children and this idea of constructionist learning. Learning by doing is a very powerful way of learning. So he wrote in the ’60s a computer language for children which when you think about the ‘60s, I mean computers were the size of, you know, bigger than the room that we’re in right now and people thought, “Why are you doing this for 6-year-old kids?” But ultimately now this sort of vision he had in the ‘60s is finally being realized.
Question: What will a computer look like in 10 years?
Jepsen: Yeah, they’ll be smaller and lower cost but ten years out it’s interesting. I mean I guess the really crazy ideas that I’ve been thinking about, I don’t know when I can get them to work, but there’s two ideas especially if you sort of think that the computer can fit in your cell phone or smaller in your pocket, it’s a chip or something, but you need some way to see what’s on there and some way to input. An input maybe can be voice or maybe it’ll be touch but why don’t we just have like a can of spray display and you can spray it on any surface, right, and then you can beam to the information that’s in your cell phone like device so you can see it really big and then after two hours or something it evaporates and eats carbon dioxide, for example. That’s one kind of idea but that’s 20, 50 years out. It’s sort of funny for me to sort of put that forward because what I contended with the OLPC laptop is rather than inventing a new kind of technology how do we use the existing manufacturing processes as is, no changes, no process changes, no material changes, but really conceptually different to get the thing out and shipping as quickly as possible? And I think it’s a lot easier than creating new things, although I’d like to do both and people do work on both. The problem in my industry, the display industry in particular, is that it usually takes more than 20 years to develop a new display technology and then usually the incumbent technology is still better as the window of opportunity is too expensive and it gets shut down after a couple billion dollars is spent. And so what we’re trying to do is say it’s sort of like in Silicon everybody uses about the same general process in Silicon. It’s something called CMOS, complimentary metal oxide semiconductor, but Silicon Valley, Silicon chip designers design the chip and they send a file to the factory and back come chips and they don’t change the molecules. They don’t change the processes and it works pretty well and they can do pretty innovative things with chips. And then trying to do that with screens is very safe and you can design a new screen. Well I designed the XO-- the XO screen, the screen in the XO laptop went from specification to mass production ready in six months and it’s half the cost of a screen when adjusted by area, about three percent the power consumption, five times the resolution, sunlight readable and you can make it and you can make lots of them so that’s really cool. But here’s the other crazy idea is why don’t we put like for the screen for the computer like we really want a-- well one thing we want to get our thoughts out and it may be a really good way to dump our thoughts is in the deep wire electrodes in our brains, coupled with like a skull cap where you can beam like the images you see to the spray paint on the wall or just any screen. Doing things like that would be really cool and I think that there are suggestions in the literature that show that these type of things are possible if you look at what happens in the LGN which is about to be an early processing part of the human visual system before it gets to the back of your brain where the whole thing gets snapped. The images are a little bit jumbled there but if you’ve got a really-- if you witness like a murder or something, something horrible, you feel like these images of extreme things you’ve witnessed are almost burned into your retina and they are suggestions that show that that’s actually near LGN and you might be able to extract it, very, very crazy idea but that’s like a 50 year out idea. Right now I’m sticking to the sort of standard manufacturing processes and innovating in 12 to 24 month cycles because I just want to ship stuff and change the opportunities for children rather than really focusing on the basic research.
Mary Lou Jepsen describes the XO and predicts where computer evolution is headed.
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