Evolution of Technology in Education

I am going to be writing a series on how to use technology tools in the classroom (with a focus on science, of course)

To wet your appetite, I would like to turn you on to the idea of using QR (Quick Response) codes, usually square looking bar code thingys.  to engage your students and allow them to use their mobile devices/netbooks/ or anything with a webcam to access your content. See the following links to get more information on these devices. 

<https://docs.google.com/present/edit?id=0AclS3lrlFkCIZGhuMnZjdjVfNzY1aHNkdzV4Y3I>

<http://www.edutopia.org/blog/qr-codes-education-mary-beth-hertz>

<http://www.freetech4teachers.com/2012/04/qr-codes-explained-and-ideas-for.html>

QR Code Example: