HP has just unveiled an incredibly ambitious project to create a “Central Nervous System for the Earth” (CeNSE) composed of billions of super sensitive, cheap, and tough sensors. The project involves distributing these sensors throughout the world and using them to gather data that could be used to detect everything from infrastructure collapse to environmental pollutants to climate change and impending earthquakes. From there, the “Internet of Things” and smarter cities are right around the corner.HP is currently developing its first sensor to be deployed, which is an accelerometer 1,000 times more sensitive than those used in the Wii or the iPhone – it’s capable of detecting motion and vibrations as subtle as a heartbeat. The company also has plans to use nanomaterials to create chemical and biological sensors that are 100 million times more sensitive than current models. Their overall goal is to use advances in sensitivity and nanotech to shrink the size of these devices so that they are small enough to clip onto a mobile telephone.Once HP has created an array of sensors, the next step is distributing them and making sense of all the data they generate. That’s no easy task, granted that a network of one million sensors running 24 hours a day would create 20 petabytes of data in just six months. HP is taking all that number crunching to task however, and will be harnessing its in-house networking expertise, consulting, and data storage technologies for the project.The creation of a global sensor system would be an incredible breakthrough – it could make our cities more efficient, save lives, and enable us to better understand, track, and combat climate change. As HP Labs senior researcher Peter Hartwell has stated, “If we’re going to save the planet, we’ve got to monitor it“.+ CeNSEVia Fast CompanyLead photo by Margie Wylie Comments RSS Comments RSS digg_url = 'http://www.inhabitat.com/2010/02/18/hp-invents-a-central-nervous-system-for-the-earth/';
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shared by Ruth Howard on 20 Feb 10
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HP Invents a Central Nervous System for the Earth | Inhabitat - 4 views
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AJET 19(1) Boyle (2003) - design principles for authoring dynamic, reusable learning ob... - 1 views
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a learning object is defined as any entity, digital or non-digital, that may be used for learning, education or training. IEEE
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learning objects must be developed with potential reuse, and especially repurposing in mind. The principal aim of this paper is to explore and delineate principles underlying authoring for reuse and repurposing.
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This mapping suggests that each learning object should be based on one learning objective or clear learning goal.
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The principle of cohesion, however, indicates that there should be a separate learning object for each type of loop. An immediate advantage is that the tutor can select the order in which these learning objects are combined. A tutor dealing with experienced student may wish to deal with these in sequence; another tutor with a different group of students may intersperse these learning objects with object dealing with other features of the language.
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independently of the other (
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The learning object should, as far as possible, be free standing.
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YES! Can we please apply this to items as simple as Word documents and HTML? It would make things so much easier. This also reminds me of good pedagogical design principles BEFORE we had digital learning -- the same should be true for worksheets, handouts, textbooks, etc. It needs to be able to be changed.
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We must face the challenge of creating learning objects that are cohesive, decoupled and pedagogically rich. This design challenge is associated with the issue of 'repurposability' as we might expect rich learning objects to provide further options for adaptation by local tutors.
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n the Java language
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The project involves intervention in syllabus development, the social organisation of learning and the introduction of new eLearning materials. The eLearning resources are being based on the authoring of rich, reusable learning objects. This development provides the focus for the present discussion.
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The learning objects are being developed both to meet immediate pedagogical needs and to serve this larger goal. This produces extra pressure initially. However, it provides the potential to divide the eventual task among a number of contributing partners, exploiting considerable advantages of scale.
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A key challenge for the project is to resolve the tensions in a creative and productive way.
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A compound object consists of two or more independent learning objects that are linked to create the compound.
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They thus provide a basis for pedagogical richness that fully exploits the opportunities offered by the technology.
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they should be able to reconfigure this to shape their own compound object.
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main types of binding: navigational bindings through URLs and non-URL based content bindings. This design pattern deals with the issue of URL based bindings.
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learning object consists of a core and zero or more expansions. A default object is presented with the core with certain expansions added. These expansions aim to provide added pedagogical value to help in attaining the learning objective.
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the relationship between learning objects and the syllabus, course or other higher organising structure in which they are delivered.
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the syllabus navigation structure operates at a different layer of organisation for the learning object resources
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painful reading with the example of Java - but the point remains that all learning objects should be managed and designed with the purpose of being able to use them in the future in ways that are dynamic and reusable. This means de-coupling them and ensuring they are made of distinct pedagogical units.
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MODIS Rapid Response System - 5 views
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The MODIS Rapid Response System generates complete mosaic images of the Arctic every day at 4km, 2km, 1km resolutions. The mosaic is composed of smaller image tiles, which are available individually at 250 m, 500 m, 1 km, 2 km, and 4 km resolutions.
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A large collection of MODIS Rapid response imagery can be found in the Earth Observatory's Natural Hazards section, with captions that provide pertinent information about each image.
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shared by Ruth Howard on 08 Oct 09
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Safeguard the Lands and Waters of the Black Mesa Petition : [ powered by iPetitions.com ] - 0 views
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. Recognize that the Hopi and Navajo tribes from 1970 to 2005 were consistently under-compensated for thousands of tons of coal and over 45 billion gallons of precious aquifer water to power the Mohave Generating Station (Mohave) to provide Southern California with lower cost electricity.
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Such compensation should be drawn from the proposed sale of Edison's share of Sulfur Dioxide allowances credited to owners of Mohave for cutting 40,000 tons of toxic gas produced by Mohave prior to its closure in 2005.
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3. Support a proposal by CAlifornians for Renewable Energy, Inc. (CARE) to use some of the sale proceeds to establish a permanent community trust fund for Hopi and Navajo communities on Black Mesa
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The plant will be built on tribal land and will be owned and operated by an electric cooperative composed of Hopi and Navajo grassroots people. It will generate 300 permanent jobs, construction jobs and generate an annual income of over $7 million.
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