Kevin Kelly Cool Tools

http://www.kk.org/cooltools/

TED conference talks online

http://www.ted.com/tedtalks/

Expandable Round Table

http://www.dbfletcher.com/capstan/

How to Fold a Shirt

http://video.google.com/videoplay?docid=4776825453418327083

Creations

http://cre.ations.net/

Lilac Chaser

http://www.michaelbach.de/ot/col_lilacChaser/index.html

Virtual Mechanism Animations

http://www.brockeng.com/mechanism/index.htm

Geometric Toys

http://www1.ttcn.ne.jp/~a-nishi/index.html

StrandBeest

http://www.strandbeest.com/

Instructables - how to make stuff

http://www.instructables.com/

Make: Magazine - how to make more stuff

http://www.makezine.com/

Graffiti Research Lab - "Laser Tag" projection system

http://graffitiresearchlab.com/?page_id=76