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Repurposing Tech for Developing Countries

Aug 22, 201244 min
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Episode description

How are people using bicycles to create new machines for developing countries? What are MediKits? Why is e-waste recycling such a dangerous job? Join Jonathan and Chris as they look at the ways in which innovators across the world repurpose old tech.

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Transcript

Speaker 1

Brought to you by the reinvented two thousand twelve Camray. It's ready. Are you get in touch with technology with tech Stuff from how stuff works dot com. Hello again, everyone, and welcome to tech stuff. My name is Chris Poette, and I'm an editor here at how stuff works dot com. Sitting across from me as is usual, I albeit a few minutes later than the typical, is senior writer Jonathan Strickland. Hey there, and everybody, remember to tell Tyler he had

one thing to do today. That's an inside joke. We are going to talk a little bit today. We're continuing our series about reinventing and repurposing technology and cool and interesting ways. Uh, we're gonna talk about something that's really kind of a a humanitarian sort of approach to hacking. But before we really get into it, I wanted to read something. It's a little listener mail. This is actual listener mail. I have it in front of me. It's

on real paper. What everything? What kind of strange technology is that? I know? Not? It confuses and frightens me. It's like it's appearing on a screen, but it's on an actual physical sheet of paper. Who's it is? But only because there's a lamp behind the letter that I'm reading. This is a letter that we received from our super fan, Adam Pervez, who actually has sent stuff to lots of our podcast He's a big fan of How Stuff Works

podcasts in general. And if you guys have been to our Facebook page, you may have seen a picture Chris and I were sporting a pair of alpaca wool hats, and these are hats that he picked up while he was doing something he calls the happiness plunge. Packs are keen. Yeah, so the happiness plunges this idea he had where he decided he wanted to really follow his dreams and try to make the world a better place than it was

when he got there. And so the idea is that he quit his job and he started traveling through the world really but mostly through Latin America when he started, and trying to help different communities. As he traveled from place to place, he would listen to the House Stuff Works podcasts in between those places. Well, I wanted to read a paragraph from this letter. It's actually a fairly long letter, so I'm not gonna read the whole thing,

but here's the paragraph. My goal is a travelers to leave each place better than how I found it, which

I do by volunteering everywhere I go. I've had volunteering experiences such as feeding the elderly at a nursing home in Mexico, installing solar panels in rural Honduras, attracting book donations for a rural library project in Peru, playing with kids at orphanages in Costa Rica and Ecuador, designing a financing strategy for a new NGO and El Salvador, and marketing an organization that turns donated used bikes into bike machines,

washing machines, blenders, water well pumps, etcetera. In Guatemala. There's a lot I can offer as an engineer slash NBA and there's more to the letter than that, but that's kind of what gave us the idea for this podcast. We want to talk about technology that people have taken and repurposed to benefit people who are in developing nations who don't have access to the same level of technology

we do. And in fact, if we were to give those people the technology that we take for granted every day, it would not necessarily be helpful because their conditions, their day to day conditions are so vastly different from the ones we are used to that they would not necessarily be able to take advantage of that tech. So they're actually taking kind of a lower tech approach by repurposing stuff that was never meant to do the things that

it now does. And we thought, what a cool idea, So we wanted to kind of get into that and sort of talk about the different ways people have tried to to accomplish this. And uh, I'm sorry, you're gonna say something, Well, I was gonna say that in in some of these places, uh, you know, these are the places where, for example, cell phones have really vaulted over land lines because a lot of a lot of areas

have not ever been wired for landline telephone used. So, um, you know now that uh cell phone talk technology is so inexpensive, I mean just the basic phone technology. Um. And you know, many people in places such as uh you know, Africa for example, Um, more of the rural areas. Um you know, really it's a an urban versus rural thing anyway. But but um, yeah, a lot of more the rural places where or places that are more removed where there's a lot of distance in between that area

and an urban area. UM uh cell phone usage. You know it's easier to put up the towers than it is to wire those places for landlines. So UM you know that. In doing research for other podcasts where we've talked about phones, UM, I've just run across stories what they've said, Well, you know, cell phone usage per capita maybe higher in some of these other places, simply because everybody's got a cell phone. They never had a landline phone. It's not that they ropped one for the other. It's

like they completely leap frogged. Yeah, and and and and the play and some of these inventions that we're going to talk about UM or these technologies, Uh, they may not necessarily have uh for example, electricity seven, but they might be able to repurpose some of these other things, uh inexpensively to improve their lives through this other technology. And it is a lot of it is very inventive.

I actually saw Apollo thirteen invoked in one of the articles that I was searching for because UM, if you know the story that was the mission where um they the astronauts had serious, serious problems because they're some of the technology failed, UM and they had to come up with other stuff on the fly. I know that was actually the uh, the genesis of the idea for the TV show scrap Heap Challenge, which in the United States was Junkyard Wars, where you had to just throw some

other stuff together. And that's sort of this the same idea would you would you would go through a junkyard and you would salvage different machines in order to build something that was specifically intended to achieve a a particular goal which was established at the beginning of the show.

So you would have a goal like it might be traversed this this landscape here, and you're going to have to be able to go up, you know, a twenty degree incline, and there's going to be a section that's gonna be rocky, and there might even be a section where you have to travel across water. So you have to build a machine that's capable capable of doing all those things. But all you have is whatever is in

this junkyard. Yeah, and of course they did up it's TV, so they'd end up seeding the junkyard a handful of necessary parts because if nobody ever, you know, they don't know everything that's in the junkyard. I'm sure they go, well, it turns out that there isn't any of this stuff and we're kind of stuck, so it would make it would not make for interesting television, so they would they

would put in things in there. But here's the thing is that people are really inventive, right, and they can come up with solutions that you do not and to

to pay. So even if you were to seed a junkyard with things that you think, oh, well, clearly, they'll want to build a device that can do this by using this, this, and this, it may turn out that they end up getting stuff that you did not see that junkyard with and they build something that works, you know, as well or perhaps even better than what you had conceived of when you were seating it. Because people adapt to the situation they are in, and they are very

quick to adapt their technology as well. And in fact, we have seen that in developing nations and a lot of the projects we're gonna be talking about kind of they didn't start this process. They just saw something that was happening and decided to help it along. Uh. And there are a couple of organizations I want to mention

before we even get into specifics. One of those is called Random Hacks of Kindness and another is called Geeks Without Bounds, and both of these organizations are dedicated to helping developing nations through various hack projects, although and both of those cases, they are more focused on the software side of things. So, like you were saying, you know, cell phone use being much more prevalent than landline use.

A lot of these involve apps for phones that would alert people to things that affect them in their daily lives, um, and things that other people just wouldn't think of because it's not something that affects us, right, So a lot of these are programs that would not that that are again on that software side, that are not about hardware hacks. We're really focusing mostly on hardware hacks today, although some other stuff might pop up to yeah, this is um.

Also keep in mind that a lot of the technology that that can be used for the you know, it's perfectly good technology. Um. You know, we're not talking necessarily about junk, although it might be things that other people have cast off as being obsolete. In some cases, it's you know, completely functional and uh, you know, there's there's

no reason to overdo it. Yeah, and there's some cases where it's not even repurposing in the sense of making something do something it wasn't meant to do, like repurposing, just as in reusing. So there are a lot of these programs that allow you to do things like donate your old electronics to various programs, so like old computers are.

That's the perfect example. It might be a computer that you think is obsolete because it can't run the latest stuff that you like to run, but for a developing nation, it might be a very useful asset. But we're really looking at in this podcast technology that's been turned into

doing something else. And I was going to start with Maya Pedal, and Maya Pedal I'm I'm assuming that's the organization that Adam was talking about in his letter, because Maya Pedal is the is a Guatemalan organization that takes donated bikes, mainly donated from the United States and from Canada, and they take those bikes to either reac condition them and sell them or they use the parts to build what they call and I'm going to completely butcher the

pronunciation of this biking mackinas or bike powered machines pedal powered machines, and so what they're doing is they're actually taking these bikes apart to some extent, and using that pedal power. So instead of it turning a wheel, it's turning some other mechanical part to accomplish a task that they might otherwise not have a mechanical opportunity to to address it, like things like and the simple stuff. You know, Adam and mentioned things like a washing machine. Well that's

a that's a perfect example. You've got a big tub that you put the water in, the soap in, the clothing in, and you have an agitator in there, something that turns around and moves the clothing so that it creates this agitation which will help the soap and water work out all the soil and everything else that's in

the clothing. You have that agitator hooked up through a series of of gears and chains or belts to a pedal system on a bike, and it might even have the back half of the bike more or less intact, where you've got the seat and everything, and you sit down the seat, you pedal the pedals, it turns the agitator and it ends up washing clothing that way. There's actually a guy in Texas who had um a blog.

The last entry I saw was in two but there was a guy in Texas named John Wells who was building He built something very similar to that called the He called it the bike O Worsher worshipers spelled w O R s h e R in true Texas fashion. Uh. He was part of the Southwest Texas Alternative Energy and Sustainable Living Field Laboratory. So the idea was that he was building stuff that would allow you to have a sustainable life where you're not depending so much on things

like electricity. And it was a really cool project, but it's very similar to the stuff you see in these developing nations. Now. In the case of Texas, obviously it's not due to lack of electricity. It's more of kind of a an uh, environmentally friendly lifestyle that he wants to adopt, right right. But in the case of Guatemala, it may be necessity because not all places in rural rural areas of these these countries have access to regular electricity. Yeah, yeah,

that's true. And one of the things that struck me and doing research for this podcast is the similarity of some of these inventions to things that you might see in the pages of Make magazine or among the hacker community. Um you know, talking about different bike machines. For example, I remember watching a video probably more than a year ago now where uh, some some folks in San Francisco basically collect old bikes and what they do is they cut them apart and make new bikes out of them.

I mean they're they're strange contraptions. Is things with different size wheels and all sorts of others. Mostly too. It's like an art bike's community, and it's mostly because they can and and want to have fun doing that. But you can you can do the same kinds of things to to uh uh to create sustainable um machinery. Yeah. I saw a great video from the Maya Pedal group where they showed a de grainer and it was what it was was it was this It looked like the

back half of a bicycle. But then there was this shoot that you could feed uh corn through corn that's actually still on the cob, uncooked corn, and you would feed it through and it had a series of gears that would end up pulling the kernels off the cob so that you could d grain that corn. Very very efficiently. You just turned the you know, you're peddling, that's what's turning the gears. And uh, it was so much faster than doing it by hand, and it actually saves a

lot of time and for it. So that was another example. But they had lots of other ones that I saw. One that was a a pedal powered blender, and they were showing how they were using aloe plants. They would take the skin off the alo plant and chop it up, put it in with some water and a blender, uh,

and then uh start peddling. And they would use this to create things like shampoos that they could then sell, and it was a way of generating money because these are in general, the communities that these these projects are benefiting are incredibly poor compared to the lives that most of the people in the west, like the developed nations,

are used to. So for example, for for me and Chris, you know, the thought of uh, the reason why these devices are so important is because they they take away the reliance upon things like kerosene, which might cost four dollars a week, and that is prohibitively spensive. I mean that is that's a totally different world than the world we live in. Yeah. Basically, if you're listening to this podcast, you know this. This is kind of a different, different experience. Yeah.

So yeah, the and and there was a lot of other examples of the same sort of thing, mostly, you know, all these really cool versions of bikes, uh to do things like make tiles. There was a bicycle bicycle powered thresher for for harvesting crops. There there were water pumps. I saw one where a guy was riding a bike and water was coming out of a of a pipe

and it was it was like a bicycle powered Well. Yeah, I actually ran across an invention from the Nippon Basic company in Japan called the Cyclo Clean and basically it's it's designed to you add it to the bike. It it's kind of hard to describe. You might want to look it up, but it's it's got water containers so somebody would ride there by and it goes on your bike, uh, an existing bike, so it's not unmodified. If you will you want to cut a bike apart or anything like

that as a moving bike. And so you ride to a place a source of water. Now, if you think about lakes or streams, creeks. Uh. You know, most of us listening to this podcast probably know all sorts of micro organisms live in that water. A lot of it isn't safe to drink, and a lot of people around

the world don't have access to clean water. Um. So what this does is you pour the water into the containers and as you uh you know, using the kinetic energy of pedaling the bike, the Cyclo clean will filter the water, so it actually creates potable water by the energy of the bike, and it's it's portable and potable.

So it's that that's a pretty nifty um. Um. Actually, I just want to point out before we move on real quick, um, A lot of the devices that I found, uh in researching this episode are not things we can talk about because they're they're invented, they're intended to be inexpensive, and they're new, so it's not really repurposing technology. There are so many really cool devices it might it might

also be worth investigating it again in the future. Some of the really cool devices that are you know, they'll be like a twenty dollar or something and it completely does a very useful function and speeds life. And I'm like, oh, man,

if I could just use like we could talk. You know, Dean came In did the whole thing about you know, his his water projects, which I think we talked about in the Dean came In podcast, but that was years ago anyway, So I wanted to also mention, Yeah, Maya Pedal if you if you live in the United States or Canada and you're interested in donating an old bicycle to this, Maya Pedal does have its own website and you can learn more about the program and how you

can participate. They also invite people to come down and visit their facilities in Guatemala. Obviously, you can even work there for a while, volunteer there for a while and help do things like make repairs or design new machines. Um. It's very much a hacker culture in the sense of they have they have specific tasks they need to achieve. They have a specific set of resources they they they are at their disposal, and they have to find the way to make the resources meet their their needs. So

they're not interested in making it look pretty. They're not interested in any of that. Their aesthetics are not important. Yeah, it's all about achieving the goal and and that's something that appeals to a lot of hackers who are all about, hey, yeah, I know that this was meant to do this one thing, but you know, if we just changed it a little bit, we could totally do this other thing. Let's see if we can make it happen. And uh, you read a

lot about that kind of stuff in these in these stories. Um, there was another one that I wanted to mention, very similar kind of idea again using bicycles. A fellow named how Watts invented something designed to help countries that are all about dealing with e waste. So, you know, old electronics, if you're right, yeah, if you've ever if you've ever tried to get rid of your electronics, maybe maybe you've tried to put them in some sort of e waste

recycle program. One of the problems of of some of those programs, not all of them, they're not all created equal, but some of those programs, some of these programs ship that stuff off to various developing nations where they have an industry all around recycling that material, and it's mostly about recapturing the metals that are used in those products,

mainly copper. Yeah, and lead to recapturing the copper and lead that's used in these electronic It can be a very dangerous thing to do if you aren't being if you're if you're not following particular steps right and and it can release a lot of toxic elements into the

environment and also affect people's health. Yeah, the thing is too that in in some of these cases, the people who are disassembling the electronics aren't given the proper tools to do that, and some I've read about people who had to put materials into a fire essentially intending to melt it all down, and of course in doing so, it releases toxic chemical toxic chemicals, uh into this the

soil um people have had in in the atmosphere. The people in the immediate area have health problems as a result of the the metals leaching into their soil and having to breathe the smoke. It can affect areas even further out from the immediate area. It's it's one of those in a way, it really shows that environmental concerns and ecology go beyond just the point. Like there's a there's like a ring effect, right you you move one ring further out from the center, and you can still

see where the effects are. And they might not be a severe and they may not be the same effects as you would see right at the point of contact, but it's still negative. Well in this case, very it's exactly what you're talking about. You know a lot of these UH countries. What they do is that they will use fire to melt stuff down, like like let's say copper wire that's insulated. So you've got a rubber insulation around copper wire. Well, they want to get to the copper.

They want to get the rubber off of there. And what's an efficient way of doing that. Well, you could burn the rubber off, but that can release a lot of toxic chemicals into the atmosphere and get it into the ground as well. Uh. And then you also have essentially a burnt copper, which is not as valuable as

copper that has not been put through this process. So what Watts did was he built a machine that was again a bicycle powered machine where he called the E source and it has a grinder in it and it has also a metal separator. Uh. It's it's it's like a centrifuge in a way. And what you do is you put the copper wire into the grinder and you petal the petals. Some grinders actually grind that up so that the rubber and the and the copper come apart.

It shreds the copper wire, so you get smaller segments of copper wire, and the rubbers is pulled right off of the copper. The spinning plate actually spends so that

it separates out the copper from the rubbers. So then you've got these rubber pellets on one side and you've got the copper on the other side, and it means that you no longer have the danger of burning this stuff and releasing the toxic chemicals, and you can actually recycle the rubber as well, so it it also adds a second level of revenue to this process, which before was all about the metal, because you know, you couldn't

use the rubber after you've burnt it off. But now you've got this these rubber re pellets that you can actually use in other forms of recycling. So it adds benefit to the process and it takes away some of the more dangerous parts of recycling electronics. So that was his invention. There's actually video on the web. He's got a website all about the source. So if you and it's E S O U R C E. If you do a search for that, you can actually find his website and learn more about it and the project that

he's been working on. It's really really interesting. So that's another example of again using bicycles. There are a lot of those, because bicycles are one of those that's a

piece of technology that's common around the world. And uh, and and it's one of those that um it's it's so much more accessible than other kinds of technology, and so it's not dependent upon electricity or fuel it's got Uh, it's it's really a tractive for these communities that might not otherwise be able to afford the sort of technology that can do whatever it is these machines do. Yeah, in a in a similar vein you actually wrote about

one of the technologies I wanted to talk about. Um and uh, you know, one of the serious problems that they have in some developing nations or a lot of developing nations, I should say, is uh uh you know babies who are are born prematurely um and uh you know, uh, they need incubation to to keep them warm. And uh, I think it's really clever there's Jonathan wrote an article for the website how Stuff Works dot com on on using engines to serve as incubators. Um it's really really

cool stuff. Basically, uh you know they uh it uses a an engine to to generate the heat, but um, it also has a battery powered back up. And it was actually developed by the Center for Integration of Medicine and Innovative Technology or SIMMIT, and a a company called Design That Matters UM, which uh, you know is into

all kinds of different design really. Um. They had a basically they had a contest to see who could who could come up with the best uh contraption for this, and it uh you know uses um, basically different parts of the automotive assembly for you know, um uh there's a handrail built into it, for example, and there um you know, they're parts that that come that are not part of the the automotive kit, but the rest of it, you know, they use the headlights to generate heat and

hv A C for um, you know, to stir the heat around. Yeah. Yeah, it's it's that was definitely an interesting project to read about because again it was uh, it was this idea that it's not just the problem of um of getting the tech to them, it's getting tech that is easy to maintain, and it's a lot easier to maintain the basic parts of an automobile. Again, a technology that has fairly wide distribution than it is

for something that's incredibly specialized. So if a hospital sent h a a high tech incubator to a developing nation and that incubator were to break down, as you know technology tends to do over time, it's a lot harder for that. It may be impossible for that that organization to make repairs. It may take months to get a broken machine fixed when it's got that level of sophistication and the tools that the people have don't meet that

level of sophistication. So being able to create technology that can accomplish the same goal, but but as built from much more basic types of tech that have a lot more distribution around the world means that you have made

it far more accessible. Because again, in fact I read this, and this was from MAKE magazine, there was a great article by Paul spin Rad called design for Heck in Medicine, and in that there was a little fact that said about nine of medical technology that reaches poor countries is hand me down equipment designed for first world facilities. That's the problem because these are not first world facilities that

these these devices are going to, So there's limited use there. Um, you don't you don't go in and plug something into the wall in some of these cases, you don't have a wall to plug into in some of these cames. So you have to come up with a new way of powering that. And I think I misspoke a few minutes ago when I was talking about using the car engines. They don't, you know, put the kid on the engine.

That would not be very good. Um. Now they used the engines for parts, and that's because the you know, people have the tech around and generally people know how to repair the car, so they know what the different pieces do, and uh, you know, the parts would be available. And then uh, I want to talk a little bit about a fellow named Jose Gomez Marquez. Now he's really looked into this medical issue about creating medical equipment for

countries that do not have first world medical facilities. And uh, there's a whole list of different kinds of technology that he and his team have come up with, uh to

help out these countries. One of those was a device that actually uses sunlight to sterilize surgical tools, which again that's that's phenomenal, and according to the articles is it uses a bucket, a pressure cooker, and one forty pocket sized mirrors, which all of which were purchased out of a Nicaraguan market, and then they built out this device that uses sun sunlight to end up heating these surgical tools, so they are sterilized because they don't have electricity, or

at least not enough electricity to power a regular autoclave for sterilizing tools, and that if they were to go with one that ran on fuel, it would cost them so much money. And again we're talking about small amounts of money for most of us, but for these communities it's it's prohibitively expensive to run those sort of devices, which means that you are risking some major medical catastrophes

if you do not have properly sterilized surgical tools. You know, you're talking about possibility for terrible infections that could really make patient mortality rates skyrocket. So this was a way of creating a device that doesn't depend on electricity, It just uses sunlight, which you know too, it's much easier to to to get hold of than it would for

some like electricity. So that was a good example. But then the article actually goes into other things that were developed specifically for this UH, for this community and communities like it through m I T, which was this idea of medi kits. Have you read about these um I did? Yeah. UM Gomez Marquez is the program director for m I

T s Innovations and International Health Program. And then the idea behind these kits and this program is that UM, these these parts and pieces are available two UH physicians and who are working in these areas, they might be able to find that, and so the point was to teach them how to use everyday stuff to make equipment

that they would have. You know, they would be familiar with his physicians in the first world, they would already be familiar with that the pre may manufactured version of this. Now that he's his group wants to teach people how to take UH these parts and do it themselves on on the fly from what's on hand. And in fact, they have these medicits that come in in five different variations.

So there's drug delivery, lateral flow diagnostics, lab on a chip, vital signs and agricultural prosthetics, which the agricultural prosthetics one is pretty pretty wild to me, but we'll we'll, I'll

talk about that in a second. Anyway, it's talking about taking a lot of like Chris was saying, a lot of basic elements that you can find in other forms of machinery and electronics, So talking about things like um plungers or bicycle pumps or compressors, tilt sensors, that sort of stuff, these basic elements, and then teaching people different ways of putting those things together to accomplish whatever your

goals are. And in act, they talked a lot about how they learned about using toys parts from toys as medical equipment, so things like a remote controlled helicopter and and removing some of the machinery from that in order to create a medical device. I talked about even there was a a an electric mechanical ferris wheel toy that could be double as a centrifuge, just with some modifications.

So they talked about how you know, medical equipment, the comparable medical equipment if this country were to try and buy it would be really expensive, Like we're talking about really sophisticated medical equipment, but that you could accomplish the same outcome with these low tech approaches just by repurposing the technology, and suddenly the cost drops dramatically. So suddenly these these things that were out of reach for these

medical facilities become attainable. It just means that you have to learn how to adapt this technology so they can

do what you needed to do. And the article was so fascinating to me because it talks so much about how they found They discovered that there were people in the field already doing this right it had there are people who were taking equipment and saying, all right, well, I'm just gonna take this one piece of equipment I have and I'm going to alter it in this way so it can do what I did needed to do better than it can right now, because the the use

cases might be very specific and the equipment might be very generalized, and so you might have a generalized piece of equipment that can do a lot of stuff, but it can't do it as well as a modified piece of equipment could. And they were starting to see how people were modifying things and improvising out in the field in order to make repairs or to make modifications to get better results. Uh. It's really really interesting and uh

also really speaks a lot to human ingenuity. Well, I think I think for somebody who would be trained, um in a modern hospital to to do medical care, you would be thinking of the technology that that we have available to us. And I think that the trick is to get people to see the similarities between everyday stuff and the high tech equivalent. Um, you know the photo I I saw in the article I read about about this program. Uh, they show him using a a drinking

straw for a pipette. Now you know, I would think, uh myself, and I'm not a medical professional by any stretch of the imagination, but you know, having elementary chemistry classes in high school thinking, you know, well that that's kind of you know, that's that's not as scientific and it's not as sanitary. But uh, you know, if if if you do things carefully and you know what you're doing, you can still do a lot with that technology available. And that's I think that's the point is to draw

that parallels. You see, Yes, I mean you are achieving the same goal with this everyday technology that you would be with this highly precise manufactured stuff. And you can do it with what you have, and it will will

help people. Um. It is worth pointing out that a lot of there are are initiatives and non governmental organizations that are repurposing uh less modern technology, you know, stuff that's five years out of date, ten years out of date, stuff that's still perfectly viable, and and sending it to to other countries that don't have access to those technologies, which is which is you know great, rather than scrapping it. Um, you know, somebody else is able to put it to use,

but not everyone can use that. So these these initiatives are certainly very valuable. Yeah, And getting back to the medicate stuff, what the the team discovered was that when they started to distribute these medicates, uh, let me read a quote from the articles. As we designed the limits of our early kids carefully, but when users began to snare up on extend and test their creations, something emerged

that we did not anticipate. They hacked our kits, which is what we were talking about, Like they made the kids modular, like these ideas of these modular kits so that you could create different It's almost like the medical version of our Duenos stuff. It was a very modular approach to creating medical equipment, but they were going beyond the modular approach and adding in elements that were not part of the kit, or physically altering parts of the kit in order to do what they needed it to do.

And they started to see that, okay, well, with this sort of mentality, which makes perfect sense, you know that they are trying to to meet the needs of whatever their community happens to be. They said, all right, we have to think to design these kits with hacking in mind, knowing that this stuff is going to get hacked when we send it out. We have to design the kids.

And they said, while it's impossible to predict every type of device a kit can deuce, you can start with a core set of devices, start to add degrees of freedom to that core, and then try to anticipate in

design areas in which those degrees will be hacked. And the reason why they want to make sure that they take this into account is one so that the devices are as accessible and useful as possible, but too and possibly more importantly, they want to put safety measures in place so that if you were to hack this medikit, you would not end up creating a device that could

cause more harm than good. So that was their other concern was that, all right, well, we want to make sure that whatever we design, it's not going to end up killing people when a hack goes wrong, because not every time hackers know this, Not every attempt is a success. Sometimes you take stuff apart and it just don't work no more. Uh, some of us. That's the only kind of hacker we are. I'm guilty of that. I can take things apart really well, putting it back together and

making it work. Okay, it's a baby step process, people. So anyway, where did these extra pieces come from? I don't even know what this fits in. UM. I wanted to talk a little bit about the Agricultural Prosthetic medicit, a flavor of medicits they had, because that was one that I thought was kind of interesting. So the kit essentially has a universal gripper. So this is a device for people who have lost a limb and need need something in order to be able to uh to to

harvest crops. So it might be something so that you could pick fruit from a tree. But let's say you've lost a limb through some terrible injury or illness, and in some cases that would lead people not to to want to hire you anymore because there because you're no longer as effective. So this is a This kit came with a universal gripper made from PVC bicycle inner two and a soda bottle to attach most farm tools onto

the arm or forearm of an amputee farmer. So the soda bottle was the part that fit over the whatever part of the arm remains right, so that would fit on that, and then the rest would extend from the soda bottle out ending in the universe in the universal grippers that it could pull or grip onto whatever it

is you needed. And uh and said, each part of the kit follows the same three principles core device, modifier, device and consumables um And then it talked about how and in various articles talked about how people who received these kits even then would modify them further by adding in other elements like other stuff to extend the arm even further than it was already meant to go, so that it could help people reach crops that otherwise would

be out of their range. So again people took the stuff that were that was distributed and made even more modifications so that it was more useful for their own daily lives. Uh, fascinating stuff. And again I mean the the ingenuity here, like people noticing that a noisemaker in a toy could be used as an alarm system for a medical device, so that when something is getting to a critical parameter, it goes noises made so that it alerts people, and things like that, like where they don't

have that specialized equipment, they're building it themselves. It's really interesting to me. Yeah, well, that's that's what tech stuff is about. Um. You know, if you're long term listener, you know that Jonathan and I like to talk about

technology and people, how it how it affects people. And um, I think this is this is really awesome because a lot of these devices that people are taking apart are are either obsolete or are broken, and they're repurposing them and helping other people with that, and I just I

just think that's absolutely fantastic. Yeah, it's it's not just ingenuity, but compassion and those two those two elements coming together, that's that's like the best of humanity, right if you're talking about caring for other people and using your your creative endeavors to come up with new solutions. That's a great story. And uh, and so guys, if you have interest in this, I highly recommend you look into some of these projects further and see maybe there's something you

can help out with. Maybe there's something you can either donate money to, or even better, if you are able to donate your time or expertise to some of these projects, you could make an enormous difference in the lives of other people and and bring a help bring a better living experience to people who really are having a totally different kind of life than the one most of us are used to. Yeah, I mean, even if it's it's just a small thing to you, it may make a

real difference in someone else's life. That's true. So I'm glad that we have this discussion. I think that I think that's a good overview of the subject. Now, there are a lot more examples that are out there. We really just covered some some pretty broad topics. But I do recommend you look into it if this is something interest you and uh, and maybe you'll find your passion. Like Adam did, who you know, he he really uprooted his entire life in order to pursue this and that's

that's amazing happiness plunge. Indeed, in fact, the happiness Plunge dot com. Folks, if you want to take a look at his website because it's it's a crazy wonderful sort of thing to do. Um. I'm not sure that I am the kind of person who could who could make that commitment. I am amazed at people who do, and thankful for them as well. Well. That wraps up this discussion. If you guys have subjects, if you would like to suggest we cover, you can contact us by email. Our

address is tech stuff at Discovery dot com. Or you can let us know on Facebook or Twitter or handle there is tech stuff hsw or hey, you can send us a real life letter. What Yeah, fancy technology. I used Google and that's what it says. This thing is um so anyway. Uh. The address for the offices on our website how stuff works dot com. So uh, and hey, we love getting mail and the stuffy miss in history class ladies get a lot more of it than we do,

so let's make them jealous for a while, shall we. Uh. And we'll talk to you guys again really soon for more on this and thousands of other topics. Is it how stuff works dot com? Brought to you by the reinvented two thousand twelve camera. It's ready, are you

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