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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."
Lisa Winebrenner

ISTE NETS e-Portfolio Templates - 19 views

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    These templates are provided as a starting point for developing an electronic portfolio to demonstrate each of these sets of standards. Be creative! Apply your own graphics and backgrounds. National Educational Technology Standards Electronic Portfolio Templates for Teachers, Administrators, Students in Word, html, Excel, and PPT
Jeff Johnson

ePEARL - 0 views

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    ePEARL is a free, bilingual, web-based electronic portfolio software. Based on sound research evidence, coupled with feedback from the field, ePEARL has been designed to encourage self-regulation in learners within student-centred curricula
Lisa Winebrenner

Data Mining, Predictive Analytics, Statistics, StatSoft Electronic Textbook - 8 views

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    Electronic Textbook begins with an overview of the relevant elementary (pivotal) concepts and continues with a more in depth exploration of specific areas of statistics, organized by "modules," accessible by buttons, representing classes of analytic techniques.
Duane Sharrock

2 | When The Internet Is Your Brain: - 8 views

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    In H+: The Digital Series, a post-apocalyptic techno-thriller that debuts today from producer Bryan Singer (The Usual Suspects, X2, House), a consumer device that allows people to stay connected 24-hours a day directly results in the demise of one-third of the Earth's population. That's a scary vision for any epoch, but perhaps especially one currently salivating at the prospect of new iThings. The culprit in H+, which is shorthand for a real-world movement called transhumanism, is a wonder chip that we implant in our brains, thereby eliminating the need to hunch over physical electronics forever. But the price paid for this technological leap is a steep--when a global virus strikes the implants, the system failure is fatal.
Lisa Winebrenner

Dynamic Periodic Table - 25 views

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    An interactive periodic table
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    Ptable began in 1997 and continues today http://www.ptable.com/about.html Use the check boxes at the top of the page to dynamically switch between simple, with names, with electron configuration, and inline inner transition metals. View as much or as little information as you'd like. If you haven't clicked any layouts, they will automatically switch to fit the width of your screen as you resize.
Jonathan Wylie

Mobile Learning Technologies for 21st Century Classrooms - 14 views

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    The mobile revolution is here. More and more schools are moving toward mobile learning in the classroom as a way to take advantage of a new wave of electronic devices that offer portability and ease of use on a budget.
Tom julick

More friendly Oakley Split THUMP Review - 0 views

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    happen like Oakley have learned its lessons. We found that the lasted version of �� warable electronics�� - mp3 sunglasses from Oakley is greatly improved to a degree of new looks apart from all other mp3 sunglasses in the markets.At first glance the Oakley Split THUMP is a bit less severe in style compared to its big sisters Oakley thump and Oakley Thump 2 in this line. They are styled as a high end pair of sunglassesSplit thump - 2 which could easily pass as a pair of D amp;G or Gucci��s.
Heather Sullivan

Top News - Free text reader to help print-disabled students - 0 views

  • a partnership that will give print-disabled students a free text reader to access electronic books from the Bookshare.org library.
  • those who receive special-education services and who are unable to read standard print materials owing to physical limitations.
  • At the start of the 2008-09 school year, qualified students will be able to use Don Johnston’s Read:OutLoud Bookshare.org Edition text reader to access more than 36,000 books, magazines, and newspapers in the Bookshare.org library free of charge.
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  • The Bookshare.org Edition text reader offers text-to-speech capability, embedded reading comprehension strategies, and instructional supports that align with state educational standards. The software includes audio feedback, electronic highlighting, and note-taking features that allow students to capture their ideas, as well as a bibliographer that logs and organizes sources in a structured, step-by-step process.
Lisa Winebrenner

Home (GoogleApps ePortfolios) - 0 views

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    This Google Site has been set up by Dr. Helen Barrett to focus on the use of Google Apps to create ePortfolios. On this site, there are instructions on how to use the different elements of Google Apps to maintain e-portfolios.\n\nThere is also a Google Group on developing electronic portfolios in K-12 using Google Apps:\n* Group name: Using Google Apps for ePortfolios in K-12 Education\n* Group home page: http://groups.google.com/group/k12eportfolios\n* Group email address k12eportfolios@googlegroups.com\nI am hoping that other K-12 educators can join the group, and share their experiences developing ePortfolios with these free online tools. I recommend that if schools decide to use GoogleApps, they establish their own Google Apps for Education site, with their own domain name, as a quasi "walled garden" where student work can only be viewed by someone with an account within that domain.
Allison Kipta

Wired Campus: Advocates for the Blind Sue Arizona State U. Over Kindle Use - ... - 0 views

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    "The National Federation of the Blind and the American Council of the Blind are suing Arizona State University for its use of the Amazon Kindle to distribute electronic textbooks to students, saying the device cannot be used by blind students. The groups say the Kindle has text-to-speech technology that reads books aloud to blind students, but that the device's menus do not offer a way for blind students to purchase books, select a book to read, or even to activate the text-to-speech feature, according to a joint statement by the two groups."
Heather Hurley

Blio eReader - 8 views

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    The Blio eReader software is the new touchstone for the presentation of electronic books, magazines, and digital content. Its feature-rich design is perfect for today's power readers, who increasingly rely on digital content for work, leisure, and learning. The extensive Blio Bookstore was created in partnership with Baker & Taylor, the world's largest distributor of literary content and value-added services, and the world's largest publishers. Enjoy a vast selection of titles, with a superior, color reading experience on desktop PCs, netbooks, tablet PCs and mobile devices.
Lisa Winebrenner

DocuSign Ink For Personal Use | Electronic Signature, e-Sign, and Digital Signatures fr... - 11 views

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    Whether you need to sign a field trip permission slip for your child's school or an estimate from the plumber, DocuSign Ink lets you sign and return ANY document sent to you as an email attachment or stored in a cloud service-for FREE.
Tom julick

What s Your Kids Play Now - 0 views

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    Formula 1 RC cars, vintage RC cars, concept RC cars, mini/micro RC cars are today s kids playing toys. If your kids don t have them, maybe it t the time you should think of getting one for them. They are toy grade RC cars which are easy to control while cause no danger to the players. If you prefer playing or racing indoors or have limited space to play, there are small but fast car models. Popular models are the 1/18 Mini and the 1/52 micro models with stunning details like running with head light, the rotor sound like a real engine, or the Mini Cooper model with detailed interior, as well as high realistic outlooks.
Danny Nicholson

Online text to speech (TTS) converter SpokenText - 0 views

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    SpokenText.net allows you to record PDF, Word, plain text, PowerPoint files, ,RSS news feeds, emails and web pages, and converts them to speech automatically.
Ako Z°om

Electronic Frontier Foundation | Defending Freedom in the Digital World - 0 views

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    for the free spaces of mind activities ...
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    but to use ome extra softs ?
Allison Kipta

BuyMyTronics.com - 12 views

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    "BuyMyTronics.com started with an idea to keep broken and used iPods out of landfills. When founder Brett Mosley's much-used, much-loved iPod broke, it dawned on him that there weren't many eco-friendly or economically gainful things do with it. After little research, Mosley discovered that there were a lot of people out there who had the same problem; broken iPods, few options."
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