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"To mark last month's World Teachers' Day (sponsored by UNESCO , the United Nations Educational, Scientific and Cultural Organization), photographers from Reuters took pictures around the world of educators with their students in a telling exhibit of the very different circumstances under which children attend school. Here are 15 pictures taken by Reuters photographers, revealing the spectrum of "classrooms" - from those with literally no resources to those well-stocked and housed."

"1. Blogging enables reflection. This is true for both students and educators. Too often do we go through our days, class to class, with minimal opportunities for reflection on our experiences or the information that we have acquired along the way. Blogging offers the opportunity to take a step back and connect with our learning and place it in the context of the bigger picture. Make reflection an assignment or part of another assignment - it is an important component to learning. For students: This is not the easiest thing to accomplish - blogging takes time and that is a finite resource during a busy class period. There is great opportunity in academic support periods or advisory classes for students (particularly in 1:1 schools) to blog. Many advisory classes take place throughout the day, which is a great break point for students to create based on their learning from that day. For teachers: This type of reflection can and should be compiled into your lesson planning for future lessons. Take what you learned from teaching and learning that day and incorporate it into the next day's lessons. Find time to do this during a conference period during your day or right after school. Yes, it is tough to get in the habit of doing a new thing - but once you start using reflection through blogging, I think that your lesson planning will be easier and much more meaningful. 2. Develop an Authentic Audience An authentic audience is a great way to increase rigor and in all of my experiences has led to increased performance by students. Authentic audiences in blogging could mean any number of things - family members, students from other classes, students from other buildings, other teachers, individuals interested in the content from around the world, etc. A student knowing that their work may be seen by people other than what they consider their 'typical audience' (read: teacher) typically spends more time and exerts more effort to creating a quality p

"It has me thinking about what it would mean to improve online classes. A few ideas come to mind: Use multiple platforms. I'm not against using an LMS as a central hub. However, I think it's valuable to experiment with the types of productivity tools you will actually use outside of a classroom. Use Google Docs to share ideas, create surveys, and ask questions. Use Google Hangouts to meet as a group. Go project-based. I haven't figured this out entirely with my first class but my hope is that we can go fully project-based in the same way that my face-to-face class is. In fact, the asynchronous nature of online classes actually means there is a better potential of creating a project-based culture that mirrors the way people actually work on projects. Make something together. I use a collaboration grid with co-creating and communicating on separate spectrums (x-axis) and multimedia and text on another spectrum (y-axis). This has been an effective way to think through collaborative tools that allow students to co-create. Embrace a synchronous/asynchronous blend: I love using Voxer because students can speak back and forth in the moment. However, if they miss it, they can listen to it later. The same is true of using a Google Hangouts On Air. Make it more connective. We tend to treat online instruction as if it is a linear process and we don't do enough to link things back and forth and connect ideas, resources, discussions and content creation in a seamless, back-and-forth nature. Incorporate multimedia. It's a simple idea, but I create a short video at the beginning of each week and I encourage students to create video and audio as well. This has a way of making things more concrete. There's something deeply human about hearing an actual human voice. I know, crazy, right? Go mobile. I don't simply mean use a smart phone. I mean assign some things that allow students to get out in the world and create videos, snap pictures, or simpl

Ver At School "France in the Year 2000 (XXI century) - a series of futuristic pictures by Jean-Marc Côté and other artists issued in France in 1899, 1900, 1901 and 1910. Originally in the form of paper cards enclosed in cigarette/cigar boxes and, later, as postcards, the images depicted the world as it was imagined to be like in the year 2000. There are at least 87 cards known that were authored by various French artists, the first series being produced for the 1900 World Exhibition in Paris."

"There is only a 5% chance that the Earth will avoid warming by at least 2C come the end of the century, according to new research that paints a sobering picture of the international effort to stem dangerous climate change."

"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."

The Atlantic covers consequential news and ideas in politics, business, entertainment, technology, health, education, and global affairs.

De un dibujo lineal pasará a otro más tipo... ¿NINE?

Tabla periódica de los elementos con información muy gráfica de la importancia y utilidades de cada uno de ellos

La astronave de la NASA, Cassini, se desintegró en la atmosfera de Saturno, luego de 20 años en el espacio. Algunas de las increíbles imágenes obtenidas (incluyendo el viaje final)

"How to make your very own Hydraulic Arm! This project focuses on the principles of hydraulic movements. To do that we made a small scale demonstration of a Robotic Hydraulic Arm. We managed to do some pretty cool tasks with our ''Arm'', do check out the video down below for a better understanding! This project is entirely made with cardboard and a couple of syringes, all the plans and blueprints are available."

"In this Instructable, I'm going to be showing you how to build your own crack the code game in which you use a rotary encoder dial to guess the randomly generated code to the safe. There are 8 LEDs on the front of the safe to tell you how many of the digits you've guessed are correct and how many are in the right place as well. The safe is initially open, allowing you to put something into the inside compartment. The Arduino and battery are housed in a separate compartment in the back. You then push the dial to lock the safe, which is done using a servo on the inside of the door. You then need to input the code by turning the dial to select the digits and pushing the dial to confirm each digit. After your fourth digit is chosen, the safe displays how many of your digits are correct and how many of them are in the correct place using the red and green LEDs on the door. "

"This is a simple tool that uses some basic trigonometry to measure the height of trees. This tool is a 45-45-90 triangle and thus an isosceles triangle. Isosceles triangles have two legs of equal length. By using a 45-45-90 triangle to placed yourself at a distance from a tree trunk, you create an triangle where the distance from the trunk is also the height of the tree. "