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"Imagine you could use any kind of small head difference in a river or canal. The power those drops contain might surprise you. We created a technology that can make use of all these small waterfalls or rapids in a way that's safe for the environment. Gone are the days that communities had to choose between having power or fish to eat. Our robust and fish friendly vortex turbiness will generate energy 24/7 at an incredibly low cost of energy. That way you can have a project with high return on investment that improves the world just that little bit. Now, if you look at a river or canal, you'll notice that it's full of these small cascades, that's how nature builds rivers. We have created a distributed turbine system that can combines a large amount of turbines into one big virtual hydropower powerplant. These virtual hydropower plants can be as large as 10MW in power output. That's the power production of a small city! We can do this because our civil structures are designed to be easy to install, and the electronics and robust power take-offs are designed to keep working with minimal maintenance. The energy produced can be directly connected to your appliances or machinery, and at the same time connected to the national distribution grid, so you can inject the unused power to it, maximizing the revenue through a net billing connection."

"Our core ecological problem is not climate change. It is overshoot, of which global warming is a symptom. Overshoot is a systemic issue. Over the past century-and-a-half, enormous amounts of cheap energy from fossil fuels enabled the rapid growth of resource extraction, manufacturing, and consumption; and these in turn led to population increase, pollution, and loss of natural habitat and hence biodiversity. The human system expanded dramatically, overshooting Earth's long-term carrying capacity for humans while upsetting the ecological systems we depend on for our survival. Until we understand and address this systemic imbalance, symptomatic treatment (doing what we can to reverse pollution dilemmas like climate change, trying to save threatened species, and hoping to feed a burgeoning population with genetically modified crops) will constitute an endlessly frustrating round of stopgap measures that are ultimately destined to fail."

""Every action and decision we take - or don't - ripples into the future. For the first time we have the capability, the technology, and the knowledge to direct these ripples." Jacque Fresco Music: Protect Life, Human Nature, Koolen, Leelo - Eric Serra"

"In 1973, near the height of the 'population bomb' panic, a computing programme called World1 offered up some predictions for the future. It anticipated a grim picture for humanity based on current trajectories. Tracing categories such as population, pollution and natural-resource usage, World1 calculated that, by 2040, human civilisation would collapse - a century after the best year to have been alive on the planet: 1940. This film was originally broadcast by the Australian Broadcasting Corporation (ABC) News as part of a report on predictions for the coming decades made by cutting-edge computing technology and leading thinkers of the time. The second segment features interviews with members of the Club of Rome, an elite think tank composed of government officials, academics and business leaders focused on the future of humanity. Their view is a bit sunnier, anticipating a world where global governments are forced to cooperate to solve complex problems, people widen their cultural horizons and work fewer hours, and limited consumption - not wealth - becomes a mark of prestige. Viewed today, it makes for an engrossing artifact, raising far more questions than it answers about humanity's ability to effectively predict its future and correct its course."

"Evaporative coolers have been known to purveyors of low-cost, sustainable technologies for years. Without the need for electricity, these cold containers have kept produce fresh from farms to tables, protecting against post-harvest losses in the field and food spoilage in hot pantries worldwide. Now the concept has been applied to air conditioning. Manoj Patel Design Studio in Vadodara, Gujarat (India) has built evaporative air conditioners that can cool a room for days on a single tank of water. The studio designs new products from recycled materials, and they built their air conditioners from ceramics and stone, integrating them with potted plants. By filling rows of ceramic tubes with water, the prototypes maximize their surface area for optimal evaporation while retaining a small footprint. ..."

"Ce dossier, coordonné par Alex Haché et publié en 2014, revient sur les principes directeurs de la souveraineté technologique et propose un tour d'horizon théorique et pratique de quelques initiatives de développement de technologies libres pour mieux esquisser les limites et les défis qui se dressent aujourd'hui dans la lutte pour la souveraineté technologique."

Artículo que analiza desde una perspectiva crítica la aportatión de la tecnología al aprendizaje.

"the ultimate goal is not to have students blog, it is to have students improve their literacy skills and have the ability to be digital writers, and to do things that would not be possible without the technology.  It is about students creating content to hyperlink to the world, to embed photos and video with text.  It is about students publishing, and then to have the opportunity to receive feedback on their work, review, edit and republish. It is about students producing work not only for their teacher, but for the world. It is about students having their own space to be creative and connect in new ways.  It is, ultimately, about students having greater ownership of their learning."

by Hope Mulholland, TeachThought Intern BYOD policies-Bring Your Own Device-allow schools to bring technology into the classroom with a "bottom-up" approach. Such an approach can save money, allow students to use their own devices, and encourage a student-centered approach to learning.

"As an educator who is addicted to Twitter I have always read about students getting introduced to Twitter and wondered how it would work. After reading and reading I have finally decided to give it a go. Here is my introduction to Twitter in my classroom. Last Tuesday, the day started like any other. Roll call, discussion, introduction to an activity and a bit of a laugh with my Year 7 and 8 Technology class. We had been discussing the importance of being an active online user and being a positive digital citizen (the students are preparing some presentations for Year 2-3 children later in the term). The conversation moved into learning environments and we discussed the small and "un-student friendly" (their words) environment that they were currently sitting in. "Take the teachable moment and run with it" my inner, energetic teacher yelled from my shoulder. So there we were talking about the "Ultimate Learning Environment", when one of my students asked me "Why is social media so big?". Good question I thought, why is it 'so big'. So we unpacked that question and broke it down. We talked about Social Media and what it was and how it worked, they gave me excellent examples and we tied it back into our discussion about digital citizenship. From this point, as a class, we decided we would use social media to help us with our learning. The students had no idea how it could work. I suggested twitter and how I use it. We pulled up my profile and saw how it worked (discussion only). The decision was then made -> Let's ask the twitterverse to help us!! On rolled Monday 5th May and in our first class (I see this group twice a week) we decided that tomorrow would be the day, we would ask twitter for their advice on "What makes a GREAT learningenvironment?". The students already have some fantastic ideas and a plan of where they want to see their environment heading but they needed some depth to their plan and some other opinions outside of

"Is the form that you receive a message as significant as the message itself? Marshall McLuhan argued that throughout history what has been communicated has been less important than the particular medium through which people communicate. The technology that transfers the message changes us and changes society, the individual, the family, work, leisure and more. Narrated by Gillian Anderson. Scripted by Nigel Warburton. From the BBC Radio 4 series about life's big questions - A History of Ideas. This project is from the BBC in partnership with The Open University, the animations were created by Cognitive."

1) the ways they currently implement Twitter in their teaching and learning, 2) ideas for future development of Twitter-based assignments and pedagogical practices, and 3) issues concerning the integration of Twitter and other digital media into both traditional and non-traditional pedagogies. Collaborators should feel free to add material to these pages, to comment on existing material, and to share links to relevant external readings and resources. It may be helpful to tag your contributions with your Twitter handle. Collaborators are asked to please respect this space as a forum for open and respectful dialogue and networking. Let's fill up the pages below with great ideas!  Share the ways you currently implement Twitter in your teaching and learning: Students in my course New Information Technologies do an "Internet Censorship" project, focused on a specific country. I ask them to follow a journalist who tweets on that country as part of their research to understand the state of Internet freedom in the country they select. -- Lora Since shortly after Twitter was launched, I've experimented with various iterations of "The Twitter Essay," an assignment that has students considering the nature of the "essay" as a medium and how they might do that work within the space of 140 characters. -- Jesse (@Jessifer) In my fully online classes, I've started using Twitter to replace the discussion forum as the central location for student interaction. -- Jesse (@Jessifer) Show Tweets that have gotten people arrested and prompt discussion on whether it is fair that anyone be arrested for any Tweet in the US, who is likely to be arrested for their Tweets, what kinds of Tweets are likely to prompt arrest, etc. Students in my First Year Seminar course "The Irish Imagination: Yeats to Bono" developed a platform for digital annotation of Irish literature. Embedded in their platform was a twitter feed of relevant individuals/groups, makin

Artículo, en inglés, acerca de la utilización de móviles en el aula, etc... "Technology is like water to a fish. It surrounds us, and we rarely notice it, but we use it all the time. Instead of keeping children away from the water, we should teach them to swim. Any alternative would be unthinkable."

"The cryptocurrency uses as much CO2 a year as 1m transatlantic flights. We need to take it seriously as a climate threat Bitcoin's electricity usage is enormous. In November, the power consumed by the entire bitcoin network was estimated to be higher than that of the Republic of Ireland. Since then, its demands have only grown. It's now on pace to use just over 42TWh of electricity in a year, placing it ahead of New Zealand and Hungary and just behind Peru, according to estimates from Digiconomist. That's commensurate with CO2 emissions of 20 megatonnes - or roughly 1m transatlantic flights."

"The book examines the underlying principles that guide effective teaching in an age when all of us, and in particular the students we are teaching, are using technology. A framework for making decisions about your teaching is provided, while understanding that every subject is different, and every instructor has something unique and special to bring to their teaching.The book enables teachers and instructors to help students develop the knowledge and skills they will need in a digital age: not so much the IT skills, but the thinking and attitudes to learning that will bring them success. Book release date (final version): 1 April 2015."

"Esta publicación convoca a la reflexión sobre los varios sentidos de la inclusión de las tecnologías de la información y la comunicación (TIC) en la educación de América Latina. Se aborda la inclusión de las TIC en los sistemas educativos como una oportunidad para revisar y actualizar los procesos de enseñanza y de aprendizaje en la búsqueda de una mejora de su calidad. Los autores analizan el impacto de los entornos digitales, las posibilidades de reconfigurar el diseño pedagógico de la escolarización y atender las necesidades de niños, niñas y jóvenes en contextos de disponibilidad tecnológica pero con amplias deudas educativas."

"Abstract Many people believe renewable energy sources to be capable of substituting fossil or nuclear energy. However there exist very few scientifically sound studies, which apply due diligence to substantiating this impression. In the present paper, the case of photovoltaic power sources in regions of moderate insolation is analysed critically by using the concept of Energy Return on Energy Invested (ERoEI, also called EROI). But the methodology for calculating the ERoEI differs greatly from author-to-author. The main differences between solar PV Systems are between the current ERoEI and what is called the extended ERoEI (ERoEI EXT). The current methodology recommended by the International Energy Agency is not strictly applicable for comparing photovoltaic (PV) power generation with other systems. The main reasons are due to the fact that on one hand, solar electricity is very material-intensive, labour-intensive and capital-intensive and on the other hand the solar radiation exhibits a rather low power density."