Please find below links to the Lecture Summaries for Week 4:*
Lecture 1: The Introduction [i]
Lecture 2: The Introduction [ii]
wk4, summariez
Please find below links to the Lecture Summaries for Week 4:
Please find below links to some additonal material on the topic for Lesson 1: Week 4 - "The Introduction [Part I]" 
For additonal material on this weeks topic you may choose to look at:
Please find below links to the Lecture Summaries for Week 2:
Please find below links to the Powerpoint for Week 2.

Nanotubes are the big hope for the first decade of the 21st century. They offer promise to produce a new class of composite materials that are stronger than conventional composites for ue in aircraft and vehicles. Now researchers at Purdue University say they can precisely measure the forces required to peel tiny nanotubes off of other materials, opening up the possibility of creating standards for nano-manufacturing and harnessing a gecko's ability to walk up walls. Scientific Blogging 28 April 2008

Please find below links to copies of the pdf files for Lesson 2, Week 10 on PowerPoint Presentation

Hanyoung Lee wants you to be seen. The South Korea-based product designer devised a prototypical warning device to prevent pedestrian strikes along roadway crosswalks. It's called the Virtual Wall, a visual barrier created from plasma laser beams. The system casts larger-than-life images of pedestrians in eye-grabbing red across the roadway, at a location where such peds are likely to be crossing. Popular Science 28 April 2008
Popular Science has been a leading source of science and technology news since its inception way back in 1872. PopSci.com first came online in 1999, and in 2008 they launched their biggest redesign yet: a new site built in Drupal that’s easy to navigate and chock-full of exciting daily content. The staff at PopSci.com believe that the new layout is also highly customizable, so finding the content you're interested in is a breeze. The whole site is organized by keywords, so for instance, if you click the "robot" tag, you'll see only articles about robots. You can also search in the traditional way, or use our channel buttons to instantly sort content by category. And the latest stories about the topics that interest you most can be sent right to your newsreader with our custom RSS feeds.
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Please find below links to copies of the Lecture Summary for Lesson 2, Week 8 on Tables.
Please find below link to the pdf file of the PowerPoint Presentation for Lesson 2, Week 8 on Tables