tag:blogger.com,1999:blog-14992384445434208632024-02-08T09:08:54.433-08:00Algas Verdes (green algae)http://algasverdes.librepensante.orglibrepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.comBlogger28125tag:blogger.com,1999:blog-1499238444543420863.post-65021774319289952032013-03-06T09:35:00.002-08:002013-03-06T09:39:45.080-08:00Algas Verdes 2013<div class="separator" style="clear: both; text-align: center;">
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marzo 2013 ----- marzo 2012</div>
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En el último año, a partir de muchas experimentos y pruebas fallidas Algasverdes 201, estuvo en continuo movimiento y cambio. Ahora se resalta por el color verde en el agua, en el cambio tonalidades en los tubos con el tiempo, una muestra de vida en su interior. De allí la producción de biomasa es continua: un "algo" del que se puede sacar provecho en diversas tecnologías y métodos "alquímicos", una idea aun por explorar después de un largo proceso. </div>
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Recuerdo la primera foto de este mismo lugar, cuando en los tubos permanecían estática el agua cristalina y apenas se podía atisbar algún tenue tinte verde en uno de los tubos. Ahora resplandece vida en su interior, aún desconocida por la ciencia, pero rica en exploración, que puede ayudar a pensar en otras interacciones tecnológicas con elementos de la naturaleza como el agua y el aire. </div>
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septiembre 2011</div>
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ahora</div>
librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-38404998576911236932012-09-16T16:58:00.002-07:002012-09-16T16:59:44.298-07:00Alga_e v 0.1<iframe allowfullscreen="allowfullscreen" frameborder="0" height="300" mozallowfullscreen="mozallowfullscreen" src="http://player.vimeo.com/video/49396436?title=0&byline=0&portrait=0&color=ffffff" webkitallowfullscreen="webkitallowfullscreen" width="400"></iframe>
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http://librepensante.org/alga_elibrepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-29971754241948727932012-05-23T20:22:00.002-07:002012-05-23T20:22:44.268-07:0040ml de biomasa -- 2.0.1Hoy recolectamos por primera vez biomasa de uno de los tubos del <a href="http://librepensante.org/wiki/doku.php?id=algasverdes_2.0.1">prototipo 2.0.1</a>: satisfactoriamente tenemos 40ml con un tiempo de cultivo de 15 días. Ahora la pregunta es Qué hacer con la biomasa? en qué tipos de energía lo vamos a transformar? qué otros usos pueden tener?… Por ahora vamos a analizarlo al microscopio, eso nos puede dar una pista.<br />
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<br />librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-25621530348936831162012-05-08T20:54:00.001-07:002012-05-08T20:55:20.947-07:00avances versión 2.0.1<div style="font-family: Arial,Helvetica,sans-serif;">
El cultivo de microalgas en el fotobioreactor mejora notablemente, el
color del agua demuestra el incremento de biomasa en los tubos y por
tanto una prueba factible que las algas verdes pueden crecer en éstas
condiciones “domésticas”. Ahora esperamos la acomulación de biomasa e instalar algunos sensores que nos ayuden a identificar reaccioes bioquímicas ... </div>
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<a class="media" href="http://librepensante.org/wiki/lib/exe/fetch.php?hash=809d62&media=http%3A%2F%2Ffarm6.staticflickr.com%2F5468%2F7155713406_5151f9346b.jpg" title="http://farm6.staticflickr.com/5468/7155713406_5151f9346b.jpg"><img alt="farm6.staticflickr.com_5468_7155713406_5151f9346b.jpg" class="media" height="239" src="http://librepensante.org/wiki/lib/exe/fetch.php?hash=809d62&media=http%3A%2F%2Ffarm6.staticflickr.com%2F5468%2F7155713406_5151f9346b.jpg" title="farm6.staticflickr.com_5468_7155713406_5151f9346b.jpg" width="320" /> </a><a class="media" href="http://librepensante.org/wiki/lib/exe/fetch.php?hash=131fd5&media=http%3A%2F%2Ffarm9.staticflickr.com%2F8023%2F7155713852_1a4340fdb8.jpg" title="http://farm9.staticflickr.com/8023/7155713852_1a4340fdb8.jpg"><img alt="farm9.staticflickr.com_8023_7155713852_1a4340fdb8.jpg" class="media" height="320" src="http://librepensante.org/wiki/lib/exe/fetch.php?hash=131fd5&media=http%3A%2F%2Ffarm9.staticflickr.com%2F8023%2F7155713852_1a4340fdb8.jpg" title="farm9.staticflickr.com_8023_7155713852_1a4340fdb8.jpg" width="240" /> </a><br />
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más. http://librepensante.org/wiki/doku.php?id=algasverdes_2.0.1librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-10767243289049786552012-03-01T20:27:00.003-08:002012-05-07T21:31:42.948-07:00Algas Verdes 2.0.1 -- avanza el prototipoRESPIRACION:<br />
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Desde hace varias semanas hemos estado trabajando en la versión 2.0.1, haciendo algunos cambios y añadiendo nuevos elementos al sistema:<br />
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Revisando y reinstalando el panel solar...<br />
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<a href="http://www.flickr.com/photos/librepensante_org/6799427540/" title="Untitled by in serendip!, on Flickr"><img alt="" height="240" src="http://farm8.staticflickr.com/7069/6799427540_a4cb059d67_m.jpg" width="179" /></a><a href="http://www.flickr.com/photos/librepensante_org/6945538565/" title="Untitled by in serendip!, on Flickr"> <img alt="" height="240" src="http://farm8.staticflickr.com/7053/6945538565_d7c98e4b4b_m.jpg" width="179" /></a><br />
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reemplazando algunas piezas...<br />
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y reprogramando software y hardware...<br />
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Al final de la jornada tenemos el sistema de alimentación para las Algas Verdes listo: el aire del ambiente va al interior de fotobioreactor a través de un compresor de aire instalado en la parte superior. Y a nivel de software es ahora un contador que espera n segundos (de 90 a 3600) para dar la orden de encender el sistema por unos cortos segundos. Esto en concreto es la forma como las algas van a recibir alimento del entorno (CO2). <br />
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checked :)librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-89759596144481129532012-01-26T06:46:00.000-08:002012-01-26T07:13:04.815-08:00Fuel cell<a href="http://www.flickr.com/photos/librepensante_org/5013328631/" title="Hydrogen Fuel Cell by in serendip!, on Flickr"><img src="http://farm5.staticflickr.com/4152/5013328631_7315dfdd21_z.jpg" width="640" height="428" alt="Hydrogen Fuel Cell" /></a><br /><div><br /></div><div>Una fuel cell utiliza hidrógeno como fuente de combustible para generar energía eléctrica. Es muy eficiente y parece que los niveles de polución son mínimos: al final tenemos agua como residuo. El problema es producir H2 en estado puro, al ser el menos pesado de los gases tiene a estas asociado con otras moléculas, lo cual se puede generar separando el Hidrogeno de otras moléculas, cuyo costo energético es muy alto y costoso en términos industriales. </div><div><br /></div><div>Aunque de forma orgánica microorganismos dentro de su proceso metabólico involucran generar esta molécula, y eso a nuestra escala se puede observar como cambio bioquímicos. </div><div><br /></div><div>Un ejemplo es una MFC (microbial fuel cell): //medialab-bogota.org/wiki/doku.php?id=mde11</div><div><br /></div><div>Y también ciertas especies de algas verdes pueden generar hidrógeno. lo que sería una AFC (Algae Fuel Cell) usando como catalizador la radiación solar. </div><div><br /></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/5014222381/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.staticflickr.com/4130/5014222381_6fcd003327_z.jpg" width="640" height="428" alt="" /></a><br /></div><div><br /></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-26805603279733391122011-09-20T10:17:00.000-07:002011-09-20T10:29:39.137-07:00Algas Verdes 2.0.1<a href="http://www.flickr.com/photos/librepensante_org/5936517753/" title="ALGAS VERDES 2.0.1 ? por in serendip!, en Flickr"><img src="http://farm7.static.flickr.com/6002/5936517753_cfa56c5b3f.jpg" width="500" height="335" alt="ALGAS VERDES 2.0.1 ?" /></a><br /><br /><span class="Apple-style-span" >Un nuevo ciclo de experimentación y serendipia se abre para el proyecto Algas Verdes, sumando fuerzas de la versión 1.0 y 2.0. Estamos trabajando en la construcción de una nueva versión, contando y agradeciendo la participación de varios colaboradores e interesados que durante estos días han estado atentos y han apoyado de alguna forma la realización del proyecto.<br /><br />La intención es generar una experiencia colectiva en un proceso de creación, conceptualización y prototipado donde las preguntas y problemas son resueltos entre todos y desde diversas vías del conocimiento… Las preguntas se desencadenarán a partir de las “Algas Verdes”, desde varios aspectos que tienen que ver con posibles procesos tecnológicos en un futuro cercano.<br /><br />Bastante antiguas sobre la fáz de la tierra, las algas verdes y cianobacterias han podido sobrevivir en diversos ambientes, siendo una de las especies más adaptadas a las diversas condiciones de la tierra. A nivel de biotecnología, son muy bien vistas por su biomasa rica en energía para diversos fines y su bioquímica propicia para generar importantes procesos de transformación de gases, como el dióxido de carbono a oxígeno, o la generación de hidrógeno para celdas de combustible. La idea de simbiosis que siempre ha rodeado al proyecto se pone de nuevo a discusión: naturalezatecnologíahominidoambiente.<br /><br />La algacultura casera plantea un buen indicio de independencia a nivel energético donde un objeto “biotecnológico” puede ayudarme a suplir necesidades básicas, como generar energía eléctrica, combustibles o alimentos, sin necesidad de infraestructuras o grandes industrias: DIY (házlo tu mismo).</span><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/6042312118/" title="Algas Verdes 2.0.1 por in serendip!, en Flickr"><img src="http://farm7.static.flickr.com/6142/6042312118_370081ecc3.jpg" width="500" height="374" alt="Algas Verdes 2.0.1" /></a><br /><br />más --> <a href="librepensante.org/wiki/doku.php?id=algasverdes_2.0.1">http://librepensante.org/wiki/doku.php?id=algasverdes_2.0.1</a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-35222541648028192192011-03-23T16:40:00.000-07:002011-03-23T16:45:42.544-07:00Trueque (bio) digitalHola a todos, los invito al <b>primer encuentro de Algas Verdes en el 2011</b>, que está conectado con <b>"trueque digital</b>"<span class="text_exposed_show">:<br /></span> <span class="text_exposed_show"><i>Trueque Digital invita a generar dinámicas colectivas e innovadoras, de discusión e intercambio de datos bajo licencias cerative commons. música, libros, películas, objetos, ideas o proyectos que nos permitirán explorar estrategias aplicadas a la cultura libre como la colaboración, las redes p2p, las licencias abiertas, el compartir, el re-mezclar y la socio-innovación</i>.<br /></span><br /><a href="http://www.facebook.com/event.php?eid=129264550477937" target="_blank">http://www.facebook.com/event.<wbr>php?eid=129264550477937</a><br /><br /><span class="text_exposed_show">¿Cuándo es? El sábado, 26 de marzo desde las 10 de la mañana hasta las 6:00 de la tarde.<br /><br />¿Dónde es? En la Fundación Casa del Bosque: Carrera 4 # 25-82 Barrio Bosque Izquierdo Tel: 2823368. Más información en la página: <a href="http://www.fcbosque.org/index/" rel="nofollow" target="_blank"><span>http://www.fcbosque.org/in</span><wbr><span class="word_break"></span>dex/</a><br /><br />¿Cómo llegar? Mira el mapa acá: <a href="http://bit.ly/fHtHey" rel="nofollow" target="_blank">http://bit.ly/fHtHey</a><br /></span><br />Donde discutiremos e intercambiaremos ideas sobre la propuesta de Algas Verdes 2011, experimentaremos con microscopios DIY y pensaremos en las posibilidades de "intercambio biológico" cepas, técnicas, plantas, etc. Las propuestas están abiertas!....librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-89826684533519783612011-03-10T21:10:00.000-08:002011-03-21T13:17:41.286-07:00Algas Verdes 2011<span class="Apple-style-span" style=" color: rgb(51, 51, 51); line-height: 17px; font-family:'Lucida Grande', Verdana, sans-serif;font-size:13px;"><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; ">El trabajo en 2011 explorará un poco más la idea de simbiosis y vida cotidiana, viendo posibilidades, con los fotobioreactores para algas, de estudiar formas de convivencia simbiótica con ecosistemas que pueden integrarse a nuestros espacios y quehacer rutinario. ¿Qué beneficio pueden sacar las algas (u otros organismos) de nosotros y viceversa estableciendo <strong style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: bold; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; ">tecnologías donde la relación con la naturaleza es horizontal y benefica para los organismos (ellos y nosotros) y los (micro)ecosistemas</strong>?</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; "><strong style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: bold; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; ">+ </strong>Desarrollaremos modelos de fotobioreactores con diversos materiales y metodos de construcción, explorando la adaptabilidad de las algas y su medio en diversos lugares cotidianos.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; ">------------------</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 13px; font-family: inherit; vertical-align: baseline; ">Working in 2011 begins exploring a bit more ideas around symbiotic and everyday life. we'll observe possibilities, with algae's photobioreactors, for experimenting about kinds of coexistence and symbiotic with ecosystems integrated in our spaces and routines. </p></span>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-40095054243482543722010-12-13T14:36:00.000-08:002011-04-15T07:47:30.241-07:00Wearable Algae<span style="font-family:arial;">It's like a jacket which </span><span style="font-family:arial;">would change toxics in the atmosphere for usable and healthy air inside where we'd draw breath. It wants to explore possibilities of survive in extreme-contaminated environments where air could be dangerous, perhaps for astrobiology, polluted cities or others. </span><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5202178372/" title="wearable algae (?) by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4083/5202178372_3ae7856bc0.jpg" alt="wearable algae (?)" border="0" width="400" /></a><br /><br />First model integrates green algae inside which oxygen atmospheres of co2.librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-35060803281711688382010-11-11T17:20:00.000-08:002010-11-11T17:42:04.594-08:00sketch - on Tecnoparque's Facade<a href="http://www.flickr.com/photos/librepensante_org/5167746753/" title="Algas verdee 2.1 intenvención fachada tecnoparque. (boceto) by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4042/5167746753_75ccb79204.jpg" width="500" height="216" alt="Algas verdee 2.1 intenvención fachada tecnoparque. (boceto)" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-21791923199996048852010-10-22T10:38:00.000-07:002010-10-22T19:14:24.202-07:00Algas Verdes 2.1 -- lluvia de ideas.<iframe src="http://player.vimeo.com/video/16081166" width="400" frameborder="0" height="300"></iframe><p style="font-family:arial;"><span style="font-size:78%;"><a href="http://vimeo.com/16081166">Algas Verdes 2.1</a> from <a href="http://vimeo.com/user2935822">Hamilton Mestizo</a> on <a href="http://vimeo.com/">Vimeo</a>.</span></p><p face="arial">1. temas (0:20)<br /></p><p face="arial">2. Cadena Alimenticia (1:18)<br /></p><p face="arial">3. Laboratorios (3:00)<br /></p><p style="font-family: arial;">4. Posibilidades con hidrógeno (3:55)<br /></p><p style="font-family: arial;">5. Sistemas Algas Verdes 2.1 (7:54)</p><p style="font-family: arial;"><br /></p><iframe src="http://player.vimeo.com/video/16100473" width="400" frameborder="0" height="300"></iframe><p><span style="font-size:78%;"><a href="http://vimeo.com/16100473">Algas Verdes 2.1 -- lluvia de ideas II</a> from <a href="http://vimeo.com/user2935822">Hamilton Mestizo</a> on <a href="http://vimeo.com/">Vimeo</a>.</span></p><p>1. Espacios imaginados (0:00)</p><p>2. Recursos del futuro (3:27)</p><p>3. Biorestauración (4:50)</p><p>4. Microcosmos (5:45)</p><p>5. Escenario (6:37)<br /></p><p><span style="font-size:78%;"><br /></span></p>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com1tag:blogger.com,1999:blog-1499238444543420863.post-62076482558126366782010-10-06T14:42:00.000-07:002010-10-07T13:59:15.453-07:00Algas Verdes 2.0 -- Maloka<div>Estas invitado a visitar Algas Verdes 2.o (AV-2.0) prototipo que esta siendo exhibido en <span class="Apple-style-span" style="color:#000000;"><a href="http://www.maloka.org/corporativo/">Maloka Centro Interactivo</a></span>. Podrás interactuar con AV-2.0 durante el 1 al 15 de octubre (2010) como parte de <span class="Apple-style-span" style="color:#000000;"><a href="http://www.maloka.org/semanadelaciencia/">La Semana distrital de la Ciencia, Tecnología e Innovación</a></span>, evento celebrado en Bogotá durante el mes de octubre.</div><div><br /></div><div>-----</div><div><br /></div><div>You are invited to visit Algas Verdes 2.0 (AV-2.0) that has been exhibiting in<a href="http://www.maloka.org/corporativo/"> </a><span class="Apple-style-span" style="color:#000000;"><a href="http://www.maloka.org/corporativo/">Maloka Interactive Centre</a></span>. You could interact with AV-2.0 during 1 to 15 of October (2010) as one part of "<span class="Apple-style-span" style="color:#000000;"><a href="http://www.maloka.org/semanadelaciencia/">The district month of science, technology and innovation</a></span>" event that is celebrating in Bogotá during October. </div><div><br /></div><div><br /></div><a href="http://www.flickr.com/photos/librepensante_org/5056882735/" title="Algas Verdes 2.0 -- Maloka by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4107/5056882735_9f47cb0ea5.jpg" width="334" height="500" alt="Algas Verdes 2.0 -- Maloka" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5056880967/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4126/5056880967_4f65a343bc.jpg" height="300" alt="" border="0" /></a><a href="http://www.flickr.com/photos/librepensante_org/5057495762/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4125/5057495762_87097c0cf4.jpg" height="300" alt="" border="0" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5054944735/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4092/5054944735_f692411102.jpg" width="500" height="334" alt="" border="0" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5057497190/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4103/5057497190_0fb212aaae.jpg" width="334" height="500" alt="" border='0'/></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-46577553528749385302010-09-28T19:25:00.000-07:002010-10-22T11:32:06.243-07:00Algas Verdes 2.0 -- bubbles<div>We are used an Arduino which is regulating the air-input inside bioreactor. Air compressor is hacked for generating sequences of bubbles and random behaviors. </div><div> </div><div><br /></div><a href="http://www.flickr.com/photos/librepensante_org/5035184878/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4091/5035184878_679a4d61c7_m.jpg" alt="" width="240" height="161" /></a><a href="http://www.flickr.com/photos/librepensante_org/5035185932/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4133/5035185932_4e7ee801a6_m.jpg" alt="" width="240" height="161" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5035184132/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4105/5035184132_a11238aafc.jpg" alt="" width="500" height="334" /></a><br /><a href="http://www.flickr.com/photos/librepensante_org/5034560817/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4131/5034560817_efa90874eb_m.jpg" alt="" width="240" height="161" /></a><a href="http://www.flickr.com/photos/librepensante_org/5034559331/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4133/5034559331_712e3d3244_m.jpg" alt="" width="240" height="182" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-45535179193304099312010-09-26T18:30:00.000-07:002010-09-26T20:49:43.030-07:00testing photobioreactor<div>Neon lamps are now a bioreactor for Green Algae. </div><div><br /></div><a href="http://www.flickr.com/photos/librepensante_org/5024636622/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4125/5024636622_6fa0bf1108.jpg" width="334" height="500" alt="" /></a><br /><div><br /></div><br /><a href="http://www.flickr.com/photos/librepensante_org/5010159088/" title="Algas Verdes 2.0 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4148/5010159088_46ebafc099.jpg" width="500" height="387" alt="Algas Verdes 2.0" /></a><br /><div><br /></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-61334277842739138492010-09-23T08:15:00.000-07:002011-03-01T20:44:23.303-08:00Advances - Algas Verdes 2.0<span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">Exactly one week we have begun to work building 'Algas Verdes 2.0' prototype. There are our advances.</span></span><div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><div><div><span class="Apple-style-span" style="font-family:arial;"><b><span class="Apple-style-span" style="font-size:medium;">1st Preparing (recycle) neon lamps.</span></b></span></div><div><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div><span class="Apple-style-span" style="font-size:medium;">We have used neon bulb that 'has gone'. We broke the top and cleaned inside. The idea is using those like bioreactor containers. </span></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4954266855/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4124/4954266855_25a681dd7a.jpg" alt="" border="0" width="500" height="334" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/4954858032/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4093/4954858032_4542d96575.jpg" alt="" border="0" width="500" height="334" /></a><br /></div></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/5013328953/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4108/5013328953_323df42cbc_m.jpg" alt="" border="0" width="240" height="161" /></a><a href="http://www.flickr.com/photos/librepensante_org/5003589682/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4150/5003589682_a38788f8f8_m.jpg" alt="" border="0" width="161" height="240" /></a><br /></div><div><br /></div><div><br /></div><div><b>Electrical Circuits - sensor - automatism and interface</b></div><div><b><br /></b></div><div>The circuit is based in Arduino, It uses atmega8-16 as principal 'brain'. We have also used some Solid State Relays for controlling air-pumps.<b><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5018376996/" title="DSC03472 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4089/5018376996_6cb555b290_m.jpg" alt="DSC03472" border="0" width="240" height="161" /></a><a href="http://www.flickr.com/photos/librepensante_org/5018377258/" title="DSC03471 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4130/5018377258_dbba7c6a63_m.jpg" alt="DSC03471" border="0" width="240" height="161" /></a><a href="http://www.flickr.com/photos/librepensante_org/5018377516/" title="DSC03473 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4113/5018377516_e6cb4d2550_m.jpg" alt="DSC03473" border="0" width="240" height="161" /></a><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5017601613/" title="Algas Verdes 2.0 -- circuits by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4132/5017601613_6b91b4cba2.jpg" alt="Algas Verdes 2.0 -- circuits" border="0" width="500" height="334" /></a><br /><br /></b>proto - circuit...<b><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/5017597063/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4130/5017597063_33c2034337.jpg" alt="" border="0" width="500" height="334" /></a><br /></b></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/5019769630/" title="Algas Verdes 2.0 -- electronic's diagram by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4145/5019769630_26d1388c7a.jpg" alt="Algas Verdes 2.0 -- electronic's diagram" width="500" height="334" /></a><br /></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-60835934722059016412010-09-19T19:50:00.000-07:002010-09-19T19:52:01.685-07:00Algas Verdes 2.0 -- lluvia de ideas (brainstorming session)<div style="text-align: center;"><br /></div><div style="text-align: center;"><iframe src="http://player.vimeo.com/video/15100798" width="400" height="300" frameborder="0"></iframe></div><p><a href="http://vimeo.com/15100798"><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;">Algas Verdes 2.0 -- lluvia de ideas</span></span></a><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;"> from </span></span><a href="http://vimeo.com/user2935822"><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;">Hamilton Mestizo</span></span></a><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;"> on </span></span><a href="http://vimeo.com/"><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;">Vimeo</span></span></a><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family:arial;">.</span></span></p>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-63476992532946098802010-09-14T20:37:00.000-07:002010-10-07T13:44:09.591-07:00Algas Verdes 2.0For three weeks we are developing Algas Verdes (Green Algae) version 2.0 (this week is the second). This model has been worked around ideas as symbiotic technologies, green algae culture and near future environments for bio-cities. We want to build a photo-bioreactor prototype that might be used by architecture, urban and domestic. Green Algae transforms CO2 to O2, using in cities and everyday life Algas Verdes 2.0 could be similar to an "air-purifier".<div><div><div><div><div><div><div><br /></div><div><div>Algas Verdes 2.0 will be exhibited as one part of "inauguration ceremony" of "The district week of science, technology and innovation" (<a href="http://www.maloka.org/corporativo/index.php?option=com_phocadownload&view=category&id=1&Itemid=277">Semana distrital de la ciencia, la tecnología y la innovación</a>) in <a href="http://www.maloka.org/">Maloka</a> (fist of octuber/2010) in Bogotá, Colombia.</div><div><br /><br /><span style="font-weight: bold;">Do you want to participate?</span><br /><br />Look for "<b>algas verdes 2.0 forum</b>" on <a href="http://librepensante.org/forum">http://librepensante.org/forum</a>, there we have been working on-line . </div><div><br /><br /><a href="http://www.flickr.com/photos/librepensante_org/4992102922/" title="Algas Verdes 2.0 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4083/4992102922_94287052ff.jpg" alt="Algas Verdes 2.0" border="0" height="323" width="500" /></a><br /><a href="http://www.flickr.com/photos/librepensante_org/sets/72157624697697027/"><br />http://www.flickr.com/photos/librepensante_org/sets/72157624697697027/</a></div></div></div></div></div></div></div></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-69321879443219531352010-09-06T07:54:00.000-07:002010-09-14T21:22:20.457-07:00Manual - Algas Verdes 1.0<div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">El siguiente dibujo desglosa los elementos que componen el prototipo desarrollado en junio en interactivos?'10, Medialab-Prado. </span></span></div><div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="color: rgb(102, 102, 102);">Follow drawing breaks down Into subsystems the </span></span></span><span class="Apple-style-span" style="color: rgb(102, 102, 102);font-family:arial;font-size:medium;" >prototype developing in june (interactivos?'10, Medialab-Prado). Spanish only. </span></div><div><br /></div><a href="http://www.flickr.com/photos/librepensante_org/4955293754/" title="algasverdes v 1.0 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4081/4955293754_0b9af5f1f3.jpg" alt="algasverdes v 1.0" height="334" width="500" /></a><div><br /></div><div><b>1. Entrada/Salida de gases. </b></div><br /><div><a href="http://www.flickr.com/photos/librepensante_org/4735662962/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4102/4735662962_f66c985aa3_m.jpg" alt="" height="136" width="240" /></a> </div><br /><div>Se controla el paso con la llave que se encuentra a unos centimetros de las máscara. </div><div>+ Entrada: con una fuerte exhalación, se alimenta directamente en el medio donde las algas viven. </div><div><br /></div><div>+ Salida: a través de una fuerte inhalación se puede inspirar los gases en la atmósfera del photobioreactor. </div><div><br /></div><div><b>2. Bomba de recirculación del aire. </b></div><div><b><br /></b></div><div>Como su nombre lo indica presionando la bomba los gases reposados en la atmósfera del fotobioreactor, recirculan al medio de las algas.</div><div><br /></div><div><b>3. Medio de las Algas.</b></div><br /><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4735002097/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4097/4735002097_ba9b08f7ab_m.jpg" alt="" height="136" width="240" /></a><br /></div><br /><div>En este caso el medio es de agua potable al 100%. Las botellas se pueden remover fácilmente, de la estructura. </div><div>+ Se recomienda cambiar el agua periódicamente. </div><div>+ Mantener un margen de 50% agua - 50% biomasa. </div><div><br /></div><div><b>4. Tanque de almacenamiento de gases.</b></div><div><br /></div><div>Esta pieza es la caja negra del prototipo. </div><div><br /></div><div><b>5. Sensores.</b> </div><div><br /></div><div><a href="http://www.flickr.com/photos/librepensante_org/4880650733/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4121/4880650733_5f26d4b72f_m.jpg" alt="" height="136" width="240" /></a><br /></div><div> </div><div> </div><div><br /></div><div>Este modulo contiene los 3 sensores: oxygen (grande de dos pines) - Dioxido de carbono (seis pines) - temperatura (pequeño 3 pines). Se puede encontrar más información en los siguientes vínculos:</div><div>+ <a href="http://algasverdes.blogspot.com/2010/08/blog-post.html">02 sensor.</a></div><div>+ <a href="http://algasverdes.blogspot.com/2010/08/blog-post.html">CO2 sensor</a>.</div><div>+ <a href="http://www.national.com/ds/LM/LM35.pdf">LM35 - temperature sensor.</a> </div><div><br /></div><div><b>6. Caja con circuitos. </b></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4964510846/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4098/4964510846_493c9f14bb_m.jpg" alt="" height="136" width="240" /></a><a href="http://www.flickr.com/photos/librepensante_org/4964510266/" title="DSC00175 by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4106/4964510266_643e5f1fb9_m.jpg" alt="DSC00175" height="136" width="240" /></a><br /></div><div><br /></div><div><div>+ <a href="http://algasverdes.blogspot.com/2010/08/blog-post.html">02 sensor.</a></div><div>+ <a href="http://algasverdes.blogspot.com/2010/08/blog-post.html">CO2 sensor</a>.</div><div>+ <a href="http://www.national.com/ds/LM/LM35.pdf">LM35 - temperature sensor.</a></div></div><div><br /></div><div><b>7. Conversor y regulador de voltaje</b></div><div><br /></div><div>En este caso usamos un regulador de voltaje de un ordenador de escritorio. Este regulador está encargado de alimentar la caja de circuitos. En general necesitamos salidas de 5 - 6 y 12 v. </div><div><br /></div><div><b>8. Bus de datos - USB</b></div><div><b><br /></b></div><div>Esta salida conecta un Arduino (dentro de la caja con circuitos) con un programa en processing que traduce los datos enviados por los sensores a una interfáz gráfica.</div><div><br /></div><div>Los códigos se pueden encontrar en la siguiente ruta:</div><div><br /></div><div>+ <a href="http://algasverdes.librepensante.org/medialab/codes">http://algasverdes.librepensante.org/medialab/codes</a></div><div> </div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-89448456894636939882010-08-18T20:21:00.000-07:002010-08-30T07:39:56.678-07:00Making a photobioreactor (version 1.o)<div><span class="Apple-style-span" style="font-size:small;">Photobioreactor (PBR) is the environment where Algae live, gasses are scored and chemical-sensors test atmospherical changes. </span><span class="Apple-style-span" style="font-size:small;">We used recycle and local materials for building this prototype. </span></div><div><span class="Apple-style-span" style="font-size:small;"><br /></span></div><a href="http://www.flickr.com/photos/librepensante_org/4701616724/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4035/4701616724_2a5bf0f2e2.jpg" alt="" width="375" height="500" /></a><div><br /></div><div>Therefore, we had visited many pet supplies, hardware stores, chemist's, plastic shops.</div><div><br /><img src="http://farm2.static.flickr.com/1296/4709838594_aa31c31fcc_m.jpg" alt="" height="500" /></div><div><img src="http://farm5.static.flickr.com/4119/4764553231_9e36189bf9_m.jpg" alt="" width="180" height="240" /><a href="http://www.flickr.com/photos/librepensante_org/4709838024/" title="Untitled by in serendip!, on Flickr"><img src="http://farm2.static.flickr.com/1293/4709838024_2939c989a5.jpg" alt="" height="240" /></a><br /><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4709192413/" title="Untitled by in serendip!, on Flickr"><img src="http://farm2.static.flickr.com/1294/4709192413_37c93610f8.jpg" alt="" width="500" height="375" /></a><br /></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4709836428/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4068/4709836428_815b8b8e01_m.jpg" alt="" width="240" height="180" /></a><a href="http://www.flickr.com/photos/librepensante_org/4705197721/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4016/4705197721_c641cfba40_m.jpg" alt="" width="240" height="180" /></a><br /></div></div><div><br /></div><div><div>And, we used "solid waste" (water bottles) around us. </div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4765189526/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4142/4765189526_0aab9aaa28.jpg" alt="" width="500" height="375" /></a><br /></div><div><br /></div><div>Finally, we had been built PBR structure using glue, and silicone. </div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4709171069/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4058/4709171069_462c37a5a4.jpg" alt="" width="240" /></a><a href="http://www.flickr.com/photos/librepensante_org/4764552495/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4135/4764552495_3c9ae705f6_m.jpg" alt="" width="240" height="136" /></a><br /></div><div><a href="http://www.flickr.com/photos/librepensante_org/4709813468/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4017/4709813468_dbb4951f65.jpg" alt="" width="500" height="375" /></a><br /></div><a href="http://www.flickr.com/photos/librepensante_org/4764549371/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4123/4764549371_acc48cab34_m.jpg" alt="" width="240" height="180" /></a><a href="http://www.flickr.com/photos/librepensante_org/4765187000/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4096/4765187000_98c8c4a109_m.jpg" alt="" width="240" height="180" /></a><br /></div><br /><div><a href="http://www.flickr.com/photos/librepensante_org/4880538723/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4081/4880538723_90be8ed287_m.jpg" alt="" width="240" height="180" /></a></div><br /><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4765194300/" title="Building a Green Algae's prototype by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4078/4765194300_2f8c1ccc9b_m.jpg" alt="Building a Green Algae's prototype" width="180" height="240" /></a><a href="http://www.flickr.com/photos/librepensante_org/4881168610/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4079/4881168610_88efd66772_m.jpg" alt="" width="180" height="240" /></a><br /></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4735790752/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4078/4735790752_1548897262.jpg" alt="" width="500" height="283" /></a><br /></div><br /><a href="http://www.flickr.com/photos/librepensante_org/4881256420/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4074/4881256420_61e53113cf.jpg" width="500" height="283" alt="" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com1tag:blogger.com,1999:blog-1499238444543420863.post-69770466895846738072010-08-12T19:23:00.000-07:002010-08-18T09:25:54.885-07:00Green Algae's Table (Medialab-Prado)<div><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;">Around a collaborative-multidisciplinary, </span></span><span class="Apple-style-span" style=" ;font-family:arial;font-size:small;"><b>DIWO</b> (do it with other) </span><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;"><b>table, </b>and including lots of talking, experiments, serendipity and hard work,</span></span><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;"> "G</span></span><span class="Apple-style-span" style=" ;font-family:arial;font-size:small;">reen Algae's first prototype" was been developed. </span></div><div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:small;"><br /></span></span></div><a href="http://www.flickr.com/photos/librepensante_org/4686779644/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4054/4686779644_4d5be2c5f0.jpg" width="500" height="375" alt="" /></a><div><a href="http://www.flickr.com/photos/librepensante_org/4686779644/" title="Untitled by in serendip!, on Flickr"></a><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;">Clara, Montfrague, Kelly, Emilio, I.J. (thanks guys!) </span></span></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4686151737/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4036/4686151737_1264d4f321.jpg" width="375" height="500" alt="" /></a></div><div><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;">Ideas' wall</span></span></div><div><a href="http://www.flickr.com/photos/librepensante_org/4686151737/" title="Untitled by in serendip!, on Flickr"></a><br /><div><a href="http://www.flickr.com/photos/librepensante_org/4700975101/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4018/4700975101_e77681d430.jpg" width="500" height="375" alt="" /></a></div><div><a href="http://www.flickr.com/photos/librepensante_org/4686778688/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4025/4686778688_a2ef59429b_m.jpg" width="240" height="180" alt="" /></a><a href="http://www.flickr.com/photos/librepensante_org/4706081213/" title="Green Algae designing by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4020/4706081213_492563647b_m.jpg" width="240" height="180" alt="Green Algae designing" /></a></div><div><br /></div><a href="http://www.flickr.com/photos/librepensante_org/4735638396/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4076/4735638396_124bea2ea3.jpg" width="500" height="375" alt="" /></a></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-60240753444873730172010-08-11T09:33:00.000-07:002010-08-11T12:05:31.313-07:00Electrolysis<div><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:small;">Electrolysis is a method for separating Oxygen and Hydrogen from water. It uses electricity (DC) to create a chemical reaction inside water. Gases are attracted to electrodes; </span></span><span class="Apple-style-span" style=" ;font-family:arial;font-size:small;"> Anode = Oxygen (02) / Cathode = Hydrogen (2H).</span></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4705841490/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4031/4705841490_385c7c0ba3.jpg" width="500" height="375" alt="" /></a><br /></div><a href="http://www.flickr.com/photos/librepensante_org/4709137153/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4016/4709137153_de2f0b35bc.jpg" width="240" alt="" /></a><a href="http://www.flickr.com/photos/librepensante_org/4705842384/" title="Green Algae "second week" by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4030/4705842384_1a096ae085_m.jpg" width="240" height="180" alt="Green Algae "second week"" /></a><div><br /></div><div><span class="Apple-style-span" style="font-family:arial;">With <a href="http://opensolarcircuits.cc/">Open Solar Circuits</a>, we had experimented to oxidize a copper board from PCB (print circuit board). One alternative for making electronic circuits. </span></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4881138366/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4117/4881138366_2c6e5d3061_m.jpg" width="240" height="180" alt="" /></a><a href="http://www.flickr.com/photos/librepensante_org/4881149706/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4095/4881149706_0a81064d66_m.jpg" width="240" height="180" alt="" /></a><br /></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-3579925441292314192010-08-10T19:43:00.000-07:002010-08-11T09:32:36.683-07:00CO2 Sensor<span class="Apple-style-span" style=" color: rgb(86, 86, 86); line-height: 19px; font-family:sans-serif;font-size:13px;"><span class="Apple-style-span" style=" ;font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">By Allison Kudla (</span></span><a href="http://wiki.medialab-prado.es/index.php/Algas_Verdes" style="text-decoration: none; color: rgb(38, 165, 211); "><span class="Apple-style-span" style=" ;font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">wiki</span></span></a><span class="Apple-style-span" style=" ;font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">):</span></span></span><div><span class="Apple-style-span" style="font-family:arial;color:#565656;"><span class="Apple-style-span" style="line-height: 19px; font-size:small;"><br /></span></span><br /><div style="text-align: left;"><span class="Apple-style-span" style=" line-height: 19px; font-family:sans-serif;"><span class="Apple-style-span" style="font-size: small;">To sense CO2 we used an <a href="http://www.kosmodrom.com.ua/data/gas/MG811.pdf">MG811 Figaro Sensor</a> and an amplifying circuit to read serial values into the Arduino. The sensor has 6 pins, 2 As, 2Bs, and 2Hs. The H pins are in the middle of the sensor and there is a heating coil that is inside of the sensor and runs between the two pins. One side of the H is connected to 6v the other side to Ground. The 2 A pins are internally connected as are the two B pins. This is an image of the circuit done in the style of "</span><a href="http://opensolarcircuits.cc/"><span class="Apple-style-span" style="font-size: small;">Open Solar Circuits</span></a><span class="Apple-style-span" style="font-size: small;">". </span></span></div><div><br /></div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://wiki.medialab-prado.es/images/e/e2/Mg811.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 550px;" src="http://wiki.medialab-prado.es/images/e/e2/Mg811.jpg" border="0" alt="" /></a></div><div style="text-align: center;"><a href="http://www.flickr.com/photos/librepensante_org/4881144134/" title="Green Algae - sensor (CO2) by in serendip!, on Flickr"><span class="Apple-style-span" style="color: rgb(0, 0, 0); -webkit-text-decorations-in-effect: none; "></span></a><a href="http://www.flickr.com/photos/librepensante_org/4881144134/" title="Green Algae - sensor (CO2) by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4121/4881144134_713c3a86a5.jpg" width="500" height="375" alt="Green Algae - sensor (CO2)" /></a></div><div style="text-align: center;"><br /></div><a href="http://www.flickr.com/photos/librepensante_org/4881143438/" title="Green Algae - sensor (CO2) by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4082/4881143438_e51e86312b_m.jpg" width="240" height="180" alt="Green Algae - sensor (CO2)" /></a><a href="http://www.flickr.com/photos/librepensante_org/4881137626/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4122/4881137626_9cc5a8f332_m.jpg" width="180" height="240" alt="" /></a><a href="http://www.flickr.com/photos/librepensante_org/4880529293/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4102/4880529293_5bd8355525_m.jpg" width="136" height="240" alt="" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com2tag:blogger.com,1999:blog-1499238444543420863.post-90534061987135113822010-08-10T18:15:00.000-07:002010-08-11T13:30:58.702-07:0002 Sensor<div><span class="Apple-style-span" style="line-height: 19px; font-family:sans-serif;font-size:13px;"><div><span class="Apple-style-span" style="line-height: 19px; "><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">By Allison Kudla (</span></span><a href="http://wiki.medialab-prado.es/index.php/Algas_Verdes"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">wiki</span></span></a><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">):</span></span></span></div><div><span class="Apple-style-span" style="line-height: 19px; "><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;"><br /></span></span></span></div><span class="Apple-style-span" style=" ;font-size:small;">To sense O2, we used a KE-25 Figaro Sensor and an amplifying circuit that uses a Virtual Ground. The Oxygen sersor works like a chemical battery in the sense that it has two electrodes inside of the sensor and an electrolyte gel that runs between the two electrodes. The sensor doesn't require any external power, and changes in oxygen around the sensor alters the reading between the red and black cables coming out of the sensor (that are connected to either end of the electrodes inside of the sensor). You can see a more detailed explanation of the thermistor, resistor and electrode architecture happening inside of the sensor by looking at the data sheet for the KE-25 found here:</span></span><a href="http://www.figarosensor.com/products/O2.pdf" class="external free" title="http://www.figarosensor.com/products/O2.pdf" style="text-decoration: none; color: rgb(51, 102, 187); background-image: url(http://wiki.medialab-prado.es/skins/monobook/document.png); background-attachment: initial; background-origin: initial; background-clip: initial; background-color: initial; padding-right: 12px; background-position: 100% 50%; background-repeat: no-repeat no-repeat; "><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">http://www.figarosensor.com/products/O2.pdf</span></span></a><p></p><p style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; "><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;">For our circuit we used an opamp called the TLC272, 4 10k resistors and 2 100uF capacitors. Here is a screengrab of the circuit diagram.</span></span></p><p style="margin-top: 0.4em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; line-height: 1.5em; "><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style=" ;font-size:small;"><span class="Apple-style-span" style=" line-height: normal; color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; font-family:Georgia, serif;"><img src="http://wiki.medialab-prado.es/images/3/38/O2.jpg" border="0" alt="" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 550px; " /></span></span></span></p></div><div><a href="http://www.flickr.com/photos/librepensante_org/4881167104/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4139/4881167104_2644514fd5.jpg" width="500" height="283" alt="" /></a></div><br /><a href="http://www.flickr.com/photos/librepensante_org/4880536983/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4095/4880536983_35b8ce6eab_m.jpg" width="500" alt="" /></a><br /><img src="http://farm5.static.flickr.com/4075/4880532121_9c03e7735c_m.jpg" width="240" height="180" alt="" /><a href="http://www.flickr.com/photos/librepensante_org/4880539847/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4118/4880539847_56b6b8d71e_m.jpg" width="240" height="136" alt="" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-1499238444543420863.post-51911918129745044692010-08-10T17:34:00.000-07:002010-08-30T07:43:42.557-07:00Collecting<div style="text-align: right;"><span class="Apple-style-span" style=" ;font-family:arial;">During Interactivos?'10: neighbourhood Science, we was walking around Madrid, Spain. We had in mind to collect Green Algae from fountains, lakes and rivers.</span></div><div><span class="Apple-style-span" style="font-family:arial;"><br /></span></div><div><span class="Apple-style-span" style="font-family:arial;">Manzanares River. Madrid</span></div><div><p><a href="http://www.flickr.com/photos/librepensante_org/4714939892/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4069/4714939892_575c466517.jpg" width="375" height="500" alt="" /></a></p></div><div><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;">Algae Collected from Manzanares</span></span></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4735665152/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4141/4735665152_ec9d167f88.jpg" width="500" height="283" alt="" /></a><br /></div><div><br /></div><div><span class="Apple-style-span" style="font-family:arial;"><br /></span></div><div><div style="text-align: center; "><div style="text-align: left; "><span class="Apple-style-span" style="font-size:small;"><span class="Apple-style-span" style="font-family:arial;">Parque el retiro. Emilio (S.U.N.), Kelly (Lilipop), Montfrague, Donacio, Allison, Brian (Biological Plastic Toys) and me.</span></span></div><div><span class="Apple-style-span" style="font-family:arial;"><br /></span></div></div></div><a href="http://www.flickr.com/photos/librepensante_org/4688646096/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4032/4688646096_a650d1f40e.jpg" width="500" height="375" alt="" /></a><br /><div style="text-align: center;"><a href="http://www.flickr.com/photos/librepensante_org/4688650318/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4013/4688650318_b38f8df40b_m.jpg" width="240" height="180" alt="" /></a><a href="http://www.flickr.com/photos/librepensante_org/4735665460/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4093/4735665460_a12c35b609_m.jpg" width="180" height="240" alt="" /></a></div><div style="text-align: center;"><br /><div style="text-align: left;"><a href="http://www.flickr.com/photos/librepensante_org/4688016347/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4037/4688016347_c7ec91fe6b_m.jpg" width="180" height="240" alt="" /></a> </div><div style="text-align: left;"><br /></div></div><a href="http://www.flickr.com/photos/librepensante_org/4686152087/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4001/4686152087_0ba96b0c51.jpg" width="500" height="375" alt="" /></a><div><br /></div><div><br /><a href="http://www.flickr.com/photos/librepensante_org/4686152899/" title="Untitled by in serendip!, on Flickr"><img src="http://farm5.static.flickr.com/4070/4686152899_fd1260711c_m.jpg" width="180" height="240" alt="" /></a><br /></div>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0