links for 2009-04-11

• All About Circuits : Free Electric Circuits Textbooks
  This site provides a series of online textbooks covering electricity and electronics. The information provided is great for both students and hobbyists who are looking to expand their knowledge in this field. These textbooks were written by Tony R. Kuphaldt and released under the Design Science License.
  (tags: education electricity electronics circuits icsxx)
• ArtBabble | ArtBabble
  a place where everyone is invited to join an open, ongoing discussion – no art degree required.
  (tags: art education web2.0 artist)
• 100 tips and tricks to speed up OS X | News | TechRadar UK
  OS X is a brilliant and fast operating system, but like all computers, Macs can slow down the more you bung them up with data.

  That's why we've put together this huge collection of tips to help keep your Mac lean and fast.

  (tags: macox macintosh memory optimization)
• City Brights: Howard Rheingold : 21st Century Literacies
  Will our grandchildren century grow up knowing how to pluck the answer to any question out of the air, summon their social networks to assist them personally or professionally, organize political movements and markets online?
  (tags: web2.0 literacy online learning education)
• Google Visualization API Gallery – Google Visualization API – Google Code
  This gallery lists JavaScript visualizations built on the Google Visualization API. Some of these have been written by Google, and some have been written by third parties. Links below point to instructions for and demonstrations of each visualization. (Links to third-party visualizations will take you off the Google site.) To learn how to use JavaScript visualizations, read Using Visualizations.
  (tags: web2.0 google visualization data)
• 130+ Enormous Twitter Toolbox | Twitter Tools | Tools
  In this article tripwire magazine provides one of the most comprehensive Twitter Toolboxes available. Twitter is becoming increasingly popular and I guess that the main reasons for this is the openess and simplicity of Twitters solution. A lot of Twitter Tools are available today and you can find most of them in this article with short descriptions and illustrations.
  (tags: twitter tools resources socialmedia apps list Reference toolbox)
• Welcome to Twit-O-Matic
  Twit-O-Matic is packed full of reputation & traffic building goodies. Here's some key features:
  (tags: web2.0 twitter marketing)
• 100 Awesome Facebook Apps for Productivity and Learning | Select Courses
  When you think of Facebook, it’s not likely you consider it a productivity tool. But the truth is that there are a variety of ways to use Facebook for both learning productivity, and a number of apps that can help you do so. Read on, and you’ll find some wonderful Facebook apps for productivity and learning.
  (tags: web2.0 facebook productivity education)
• Demi Moore, Twitter, and suicide prevention « Reinventing Depression
  In short, a woman named Sandie had been talking on Twitter about killing herself. She sent a message to Demi, who alerted a larger audience, which then got in touch with local police who found her. As of this writing, Sandie is apparently in custody and okay.
  (tags: feed prevention twitter xhtml)

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