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Creating your own Augmented Reality is, thanks to ARTAG, staggeringly easy. Yet behind the simplicity lays a serious potential for both the hobbyist, local government use and the professional practice.

Tutorial - Quick and Easy Augmented Reality from SketchUp/3DMax etc

http://www.digitalurban.org/2007/07/tutorial-quick-and-easy-augmented.html
Squishy Circuits is a project developed at the University of St. Thomas for the purpose of creating tools that students can use to create circuits and explore electronics. Squishy Circuits uses Playdough-like to enable hands-on learning about conducting and insulating currents as well as creating circuits. The Squishy Circuits website provides directions for creating the dough and offers ideas for lessons using the dough. Watch the TED Talk below for an explanation and demonstration of Squishy Circuits. Applications for Education Creating Squishy Circuits could be a great hands-on science activity for elementary school or middle school students.

Squishy Circuits - A Hands-on Electricity Lesson

http://www.freetech4teachers.com/2011/10/squishy-circuits-hands-on-electricity.html#.UZO9AtGI70M
While there are plenty of great products on the market, buying what's available to you means playing by the rules of the manufacturers. Sometimes the only way to get the product or service you're after is to create it yourself. http://lifehacker.com/5838864/top-10-rule+breaking-projects-upgrades-and-solutions-that-are-better-than-off+the+shelf-products

Top 10 Rule-Breaking Projects, Upgrades, and Solutions That Are Better Than Off-the-Shelf Products

http://lifehacker.com/5845665/top-10-tech-concepts-you-always-wanted-to-learn-about-but-never-did We're busy people, and even the most savvy of us sometimes just don't have the time to learn about every odd and end in the tech world.

Top 10 Tech Concepts You Always Wanted To Learn About (But Never Did)

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The Freelancer’s Toolset: 100 Web Apps for Everything You Will Possibly Need

Running a business for yourself means you have to be inventive and always on the lookout for a new and better way to get things done. Innovation junkies, take note: the Internet has a lot to offer. From invoicing to marketing, these are tools that freelancers need to know about. http://www.cogniview.com/convert-pdf-to-excel/post/the-freelancers-toolset-100-web-apps-for-everything-you-will-possibly-need/