Delphine Oulaï, 24 ans, est ivoirienne. Elle est originaire de la région du Tonkpi, dans l’ouest de la Côte d’Ivoire.
Après avoir étudié le droit à Abidjan, elle s’est impliquée dans diverses ONG, telle qu’Afemira (Action féminine à l’initiative pour la renaissance de l’Afrique), ce qui l’a amenée à se rendre dans différents villages situés dans l’ouest, plongés dans le noir à la nuit tombée.
Les zones reculées de Côte d’Ivoire sont particulièrement touchées par le manque d’électricité. Afin de pallier ce problème, une Ivoirienne travaille pour développer une ampoule fonctionnant de manière autonome. Et le résultat est plutôt surprenant : pour l’allumer, il suffit de la mettre au contact de l’eau.
“Cela prend toujours du temps de raccorder un village au réseau électrique. Je me suis donc dit qu’il fallait trouver une autre solution. En faisant quelques recherches sur Internet, j’ai découvert qu’il existait des ampoules s’allumant au contact de l’eau. J’en ai alors parlé à Daniel Oulaï, mon frère, qui accompagne notre ONG. Cet Ivoirien a cofondé un centre d’incubation, qui est un espace de travail collaboratif, à Man, et mis en place une grainotèque à Sagouiné, dans la région du Tonkpi. Il s’est procuré l’une de ces ampoules et nous l’a fournie.”
Il s’agit d’une ampoule à diode électroluminescente (ou ampoule à LED), facilement démontable.
L’équipe de Daniel Oulaï a donc pu l’équiper d’une pile, fabriquée à partir d’une tige de carbone recouverte de poudre de magnésium. Il s’agit d’une pile hydro-électrique, c’est-à-dire qu’elle produit de l’électricité au contact de l’eau. En clair, lorsque les électrodes de la pile entrent en contact avec l’eau (conductrice d’électricité, en particulier lorsqu’elle est salée), une réaction électrochimique se produit à la surface des électrodes, ce qui génère de l’électricité. Celle-ci alimente ensuite l’ampoule à LED, qui s’allume.
Par ailleurs, l’intérêt de ce système réside dans le fait qu’il permet de recycler les lampes à pétrole utilisées traditionnellement par les populations, comme l’explique Daniel Oulaï : “Les ampoules pourraient être placées dans d’anciennes lampes à pétrole, dont le pétrole aurait été remplacé par l’eau.”
Hey there! I know this is kind of off topic but I was wondering which blog
platform are you using for this website? I’m getting
tired of WordPress because I’ve had issues with hackers and I’m looking at alternatives for another platform.
I would be fantastic if you could point me in the direction of a good platform.
Its like you read my mind! You seem to know so much about this, like
you wrote the book in it or something. I think that you can do with a few pics
to drive the message home a little bit, but other than that, this is magnificent blog.
A great read. I will certainly be back.
Hello There. I found your blog using msn. This is a very well written article.
I’ll be sure to bookmark it and return to read more of your useful information. Thanks for the post.
I’ll definitely comeback.
Remarkable issues here. I am very glad to look your post.
Thank you a lot and I’m taking a look ahead to contact you.
Will you please drop me a mail?
Have you ever thought about adding a little bit more than just your articles?
I mean, what you say is fundamental and all. Nevertheless think of if
you added some great pictures or video clips to give your posts more,
« pop »! Your content is excellent but with pics and
videos, this blog could definitely be one of the greatest in its field.
Awesome blog!
When you’re approved, accept your loan present and you’ll get your
cash within 60 minutes of confirming your
loan.
I simply could not go away your web site before suggesting that I extremely loved the usual info
a person provide in your guests? Is going to be back
frequently in order to check out new posts
Beware Of These « Trends » About Trusted Hookup With Filipino Dating Sites In The Philippines
my page; https://pinayromances.com/en
I am curious to find out what blog platform you’re using? I’m having some minor security problems with my
latest site and I’d like to find something
more safe. Do you have any solutions?
%%
Visit my blog; https://ramblermails.com/
Hi there, all the time i used to check weblog posts
here in the early hours in the daylight, for
the reason that i like to find out more and more.
Hi there to all, the contents existing at this site
are genuinely remarkable for people knowledge, well, keep up the nice work fellows.
I got this web site from my friend who shared with me on the topic of this website and at
the moment this time I am browsing this site and reading very informative articles
or reviews at this time.
Hello to all, as I am really eager of reading this website’s post to be updated daily.
It includes good stuff.
It’s a pity you don’t have a donate button! I’d certainly donate to
this outstanding blog! I guess for now i’ll settle for bookmarking and adding your RSS feed
to my Google account. I look forward to new updates and will
share this site with my Facebook group. Talk soon!
Valuable info. Fortunate me I discovered your web site by accident, and
I am shocked why this twist of fate did not happened earlier!
I bookmarked it.
Hi to all, how is everything, I think every one is getting more from this site, and your views are nice designed for new viewers.
Nice post. I used to be checking continuously this blog and I’m inspired!
Very useful information specially the remaining part 🙂 I take care of such info much.
I used to be seeking this particular info for a very long time.
Thank you and best of luck.
This paragraph is genuinely a nice one it helps new internet
people, who are wishing in favor of blogging.
Think Your Filipino Dating Is Safe? Ten Ways You Can Lose It Today
My page … https://pinayromances.com/en
At this moment I am ready to do my breakfast, afterward having my breakfast coming again to read more news.
Fastidious answers in return of this question with firm arguments and telling the
whole thing regarding that.
If some one wants to be updated with most recent technologies
afterward he must be visit this web page and be
up to date daily.
I’m curious to find out what blog system you are using?
I’m having some small security issues with my latest website and I’d like to find something
more risk-free. Do you have any solutions?
I really love your website.. Pleasant colors & theme.
Did you develop this amazing site yourself? Please reply back as I’m
looking to create my very own blog and would like to learn where you
got this from or what the theme is named. Thank you!
What’s up, constantly i used to check web site posts here in the early hours in the daylight, as i love to gain knowledge
of more and more.
For most up-to-date news you have to go to see the web
and on internet I found this website as a best web page for newest updates.
magnificent put up, very informative. I wonder why the other experts of this sector don’t realize this.
You must proceed your writing. I am sure, you have a huge readers’ base already!
Today, while I was at work, my cousin stole my iphone and tested to see if it can survive a twenty five foot drop, just so
she can be a youtube sensation. My apple ipad is
now broken and she has 83 views. I know this is completely off
topic but I had to share it with someone!
Thank you for every other informative website. Where else may I get
that kind of information written in such
a perfect way? I have a challenge that I am simply
now operating on, and I have been on the look out for such
information.
Very nice post. I simply stumbled upon your blog and wanted to say that I’ve truly enjoyed surfing around your weblog posts.
In any case I’ll be subscribing on your feed and I hope you write
again soon!
Appreciate this post. Let me try it out.
Great items from you, man. I’ve be mindful your stuff prior to and
you’re just extremely excellent. I actually like what
you have bought right here, really like what you are saying and
the way in which by which you assert it. You’re making it enjoyable and you continue to take care of to stay it smart.
I can not wait to learn far more from you. That is really a wonderful site.
Hey there! Someone in my Facebook group shared this website
with us so I came to look it over. I’m definitely loving the information. I’m
bookmarking and will be tweeting this to my followers! Terrific blog and superb design and
style.
I’m not sure exactly why but this website is loading incredibly slow for me.
Is anyone else having this issue or is it a
issue on my end? I’ll check back later and see if the problem still exists.
It’s very easy to find out any topic on web as compared to textbooks,
as I found this post at this web page.
Wonderful work! That is the type of information that are supposed to be shared around the web.
Disgrace on Google for no longer positioning this post upper!
Come on over and talk over with my site . Thanks =)
Wow! This blog looks exactly like my old one!
It’s on a completely different subject but it has pretty much the same layout
and design. Great choice of colors!
Heya i am for the first time here. I came across this board and I find It truly useful & it helped
me out a lot. I hope to give something back and aid
others like you aided me.
In fact no matter if someone doesn’t know after that its
up to other visitors that they will help, so here it occurs.
It’s really a nice and useful piece of information. I am happy that
you shared this useful info with us. Please stay
us informed like this. Thank you for sharing.
I like it when folks come together and share thoughts.
Great site, continue the good work!
Hey are using WordPress for your blog platform? I’m new to the blog world but I’m trying to get started
and set up my own. Do you need any coding knowledge to
make your own blog? Any help would be really appreciated!
Thanks for sharing such a pleasant thinking,
paragraph is nice, thats why i have read it completely
My spouse and I absolutely love your blog and find most
of your post’s to be just what I’m looking for. Would
you offer guest writers to write content in your case?
I wouldn’t mind writing a post or elaborating on a lot of
the subjects you write about here. Again, awesome site!
Howdy! This article couldn’t be written any better!
Looking through this post reminds me of my previous roommate!
He constantly kept preaching about this. I most certainly will forward this post to him.
Pretty sure he will have a very good read. Many thanks for sharing!
I all the time used to study paragraph in news papers but now as I am a user of web thus
from now I am using net for content, thanks
to web.
Wow, wonderful weblog format! How long have you been running a blog for?
you make blogging look easy. The total glance of your website is fantastic, as neatly as the content!
macrobid 100 mg online pharmacy
Having read this I believed it was really enlightening.
I appreciate you taking the time and energy to put this
informative article together. I once again find myself spending way too much time both reading and commenting.
But so what, it was still worth it!