you might like this one too<p><a href="http://www.ted.com/talks/lang/eng/jay_walker_s_library_of_human_imagination.html" rel="nofollow">http://www.ted.com/talks/lang/eng/jay_walker_s_library_of_hu...</a>
This article isn't filled with as much detail as I had hoped. It is a photo-essay and doesn't really cover much in the way of the gadgets he invented and used.