Cool websites to stumble upon

I stumbled upon a cool website called www.stumbleupon.com just recently, which collects links to other cool sites, videos, photos, bizarre things, etc. Mainly useless but arresting examples of eye candy, but ideal to pass a dull hour or so.
Among others, I was particularly taken with the following:

• Drawings using words: http://www.frogview.com/show.php?file=864


• Perceptive Pixel (next-generation Matrix-style multi-touch computer screen): http://multi-touchscreen.com/perceptive-pixel-jeff-han.html


• Blue Ball Machine (full-screen complex mousetrap game): http://blueballfixed.ytmnd.com/


• Drift: Dancer Without a Body (long but fascinating Flash movie): http://drift.koert.com/


• Crazy Rabbit (rabbit follows and hangs onto cursor - my daughter loves it!): http://www.changar.com/archives/go.html


• Creative Photos by Chema Madoz: http://haha.nu/creative/creative-photos-by-chema-madoz


• Tree Men (sculpted and trained trees): http://wohba.com/pages/tree0307.html


• Arms passing the cursor (clever Flash animation): http://dura.cell.free.fr/home/swf/arms12.swf


• What happens when graphic artists get bored: http://www.youtube.com/watch?v=hYMRepK_aqw


• Julian Beever (amazing 3-D pavement chalk art): http://www.enkidu.cx/stumble/beever/ (see also http://www.youtube.com/watch?v=hfn8Dz_13Ms to see the man in action)


• Singing Horses (totally useless, but fun - click on the horses): http://svt.se/hogafflahage/hogafflaHage_site/Kor/hestekor.swf


• Secret Worlds: The Universe Within (from the whole universe down to sub-atomic particles): http://www.micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/


• Time-lapse animation of whiteboard art set to music: http://www.glumbert.com/media/whiteboard


• Winners of the "I Look Like My Dog" Contest: http://www.flyaboveall.com/dogs.htm


• Man in the Dark (follows the cursor, spooky): http://www.maninthedark.com/


• BBC Motion Gallery (beautiful montage of video clips): http://www.flashcomguru.com/apps/fullscreen_player9/fullscreen.html


• Eric Grohe murals (photo-realistic building murals): http://stressbuster1.net/mural/


• Can you read this? http://www.funny-potato.com/read-this.html


• Time-lapse animation of drawing a woman from the inside out: http://www.pelourinho.com/movies/c003702/


• Optical Illusions: http://www.datacraftsystems.co.uk/techniques/illusion/index.html


• "Evolution of Homer Simpson" video (very clever): http://www.youtube.com/watch?v=fzGTdfAYMG0&mode=related&search


• Kaleidoscope Painter (Java applet): http://www.permadi.com/java/spaint/spaint.html


• Incredible Hand Art (photo-realistic hand paintings): http://yoke.cc/handart.htm


• Worm Life (long Flash movie about a worm): http://pelourinho.com/humor/wormlife.swf


• Create Your Own Snowflake: http://www.popularfront.com/snowdays/


• Fractal Zoom Animations (by Eric Bigas): http://www.ericbigas.com/fractals/


• Senses Challenge (interactive optical illusions): http://www.bbc.co.uk/science/humanbody/body/interactives/senseschallenge/


• The Meatrix (excellent series of Flash animation about factory farming): http://www.themeatrix.com/

Fascinating stuff!