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Judy Robison

Vimeo Video School's Videos on Vimeo - 18 views

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    a source of advice on video production. The Vimeo Video School covers everything from lighting to acting to editing and just about everything in between.
Duane Sharrock

Medical devices powered by the ear itself - MIT News Office - 1 views

  • Health Sciences and Technology (HST) demonstrate for the first time that this battery could power implantable electronic devices without impairing hearing.
  • The devices could monitor biological activity in the ears of people with hearing or balance impairments, or responses to therapies. Eventually, they might even deliver therapies themselves
  • “In the past, people have thought that the space where the high potential is located is inaccessible for implantable devices, because potentially it’s very dangerous if you encroach on it,” Stankovic says. “We have known for 60 years that this battery exists and that it’s really important for normal hearing, but nobody has attempted to use this battery to power useful electronics.”
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  • The ear converts a mechanical force — the vibration of the eardrum — into an electrochemical signal that can be processed by the brain; the biological battery is the source of that signal’s current. Located in the part of the ear called the cochlea, the battery chamber is divided by a membrane, some of whose cells are specialized to pump ions. An imbalance of potassium and sodium ions on opposite sides of the membrane, together with the particular arrangement of the pumps, creates an electrical voltage.
  • Low-power chips, however, are precisely the area of expertise of Anantha Chandrakasan’s group at MTL
  • The frequency of the signal was thus itself an indication of the electrochemical properties of the inner ear.
  • in cochlear implants, diagnostics and implantable hearing aids. “The fact that you can generate the power for a low voltage from the cochlea itself raises the possibility of using that as a power source to drive a cochlear implant,” Megerian says. “Imagine if we were able to measure that voltage in various disease states. There would potentially be a diagnostic algorithm for aberrations in that electrical output.”
  • “I’m not ready to say that the present iteration of this technology is ready,” Megerian cautions. But he adds that, “If we could tap into the natural power source of the cochlea, it could potentially be a driver behind the amplification technology of the future.”
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    "For the first time, researchers power an implantable electronic device using an electrical potential - a natural battery - deep in the inner ear."
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    "All of D-Lab's classes assess the needs of people in less-privileged communities around the world, examining innovations in technology, education or communications that might address those needs. The classes then seek ways to spread word of these solutions - and in some cases, to spur the creation of organizations to help disseminate them. Specific projects have focused on improved wheelchairs and prosthetics; water and sanitation systems; and recycling waste to produce useful products, including charcoal fuel made from agricultural waste."
Duane Sharrock

minecraftinschool [licensed for non-commercial use only] / FrontPage - 6 views

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    This wiki is devoted to hosting ideas, lessons, implementation strategies and more related to using the game, Minecraft in a school setting. Whether you use it in a computer/gaming club, as part of your regular curricular instruction, or even at home with your own children, Minecraft's simple yet scalable "sandbox" virtual environment can be an excellent tool for engaging student learning. The open-ended nature of the game lends it to application in a variety of subject areas. Game-based learning, virtual worlds, and simulations are emerging tools for reaching our learners. That's why this wiki was created. Are you an educator who also plays Minecraft? Perhaps you're considering using the game in your school or district. Do you have ideas about how Minecraft could enrich your teaching while providing a fun and exciting game world for your students? Then join us and share those ideas! This is an opportunity for crowd-sourced lesson building! -Lucas Gillispie, Instructional Technology Coordinator, Pender County Schools, NC
Lisa Winebrenner

sqrt(1-(abs(x)-1)^2), arccos(1-abs(x))-pi - Google Search - 13 views

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    Graph for sqrt(​1-​(abs(​x)-​1)^​2), arccos(​1-​abs(​x))-​π
Judy Robison

CodeBox : Free PDF to Flash Page Flip converter - 10 views

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    "This is a free service and Dynamic Page Flip v2 and SWFTools are free and open source"
Fred Delventhal

Synergy - 3 views

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    Synergy lets you easily share your mouse and keyboard between multiple computers on your desk, and it's Free and Open Source. Just move your mouse off the edge of one computer's screen on to another. You can even share all of your clipboards. All you need is a network connection. Synergy is cross-platform (works on Windows, Mac OS X and Linux).
Lisa Winebrenner

The Learning Registry - 14 views

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    The Learning Registry is a new approach to capturing, sharing, and analyzing learning resource data to broaden the usefulness of digital content to benefit educators and learners.
Karen Vitek

Making the Most of Moodle (Single) - 18 views

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    "Learn all the components of creating your own online Moodle course! Moodle is an open source online learning management system that allows teachers to create content that can be accessed online by their students. Many educators are using online tools to enhance the learning environment in their classroom. Moodle is a great solution for getting your classes into an online learning environment that you can design and modify. "
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    If you are looking for a Moodle resource check out my new book!
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    I think it's unfortunate that you are selling a resource for free/open source educational software. The beauty of Moodle is it's comprehensive online resources in addition to its accesibility for relative novice to advanced users. Making money off the volunteer work of others is not ethical and I fear that continued practices will cause such readily available resources to go commercial.
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    I am not selling the software. I am helping K-12 teachers implement its use in the classroom. If you have done as much professional development as I have with K-12 teachers you will know that the resources available online are not adequate for your average classroom teacher. Believe me, the little bit I may make with my book will not encourage Moodle to be a commercial venture. Believe it or not there are other books written on Moodle. Do a search on Amazon.com and you'll find many more Moodle books.
Fred Delventhal

http://montage.cloudapp.net/montage/whatsmontage - 13 views

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    "It's what's cool on the Web; all in one place and made by YOU. Montage is a flexible web-based service that makes it fun and easy to create and share a visual album of the web on the topics you care about. You can design your Montage around any topic you can imagine by adding content that pulls information from a variety of sources, including RSS feeds, Twitter, Bing News, and YouTube. Montage is an expression of you. "
Jeff Johnson

Wordle - Beautiful Word Clouds - 2 views

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    Wordle is a toy for generating "word clouds" from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to the Wordle gallery to share with your friends.
Dianne Rees

Find Open Source Alternatives to commercial software | Open Source Alternative - osalt.com - 19 views

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    A database of open source tools
Cathy Arreguin

DocsTeach - 27 views

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    Ready-to-use tools for teaching with documents in the classroom. More than 3,000 primary sources selected from the National Archives. Created online activities and opportunities to select documents/activities. Many higher level thinking skill-based activities. Some activities include student reporting out via email/etc.  REALLY GREAT SITE!
David Wetzel

How to Use Twitter to Stay Informed in Science and Math - 8 views

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    The value of Twitter for helping you and your colleagues stay informed of the latest trends, ideas, resources, and Web 2.0 integration tools has increased tremendously in the past year. A Web 2.0 tool is available for exploiting the every growing information on Twitter to remove barriers and allow you to collaborate with other science and math teachers. This new online tool is paper.li - a source of daily Twitter newsletters in education.
jodi tompkins

Gist - Connected People Change History - 5 views

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    All your contacts in one place. Your contacts are everywhere. In email, social networks, and many other sources. Gist brings your contacts into one place to give you the only full view of your network making it easy to find anyone, anytime.
David Wetzel

How to Integrate Wolfram Alpha into Science and Math Classes - 8 views

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    What is Wolfram Alpha? It is a supercomputing brain. It provides calculates and provides comprehensive answers to most any science or math question. Unlike other search sources, you and your students can ask questions in plain language or various forms of abbreviated notation. Contrary to popular belief, Wolfram Alpha is not a search engine. Unlike popular search engines, which simply retrieve documents based on keyword searches, Wolfram computes answers based on known models of human knowledge. It provides answers which are complete with data and algorithms, representing real-world knowledge.
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