http://valleywag.gawker.com/tech/steve-ballmer/wsj-makes-ballmer-an-orc-177781.php A comparison of the Wall Street Journal's picture of Steve Ballmer.
http://www.gravitation3d.com/magiccube5d/ A Rubik's cube in five dimensions!

http://www.mexicanpictures.com/headingeast/2006/06/motion-sensing-and-isight-hacks-on-mac.html All of the programs that take advantage of the motion sensors in the latest Mac laptops, very cool.
http://www.micom.net/oops/ The Oops list of crashed vehicles.
http://eepybird.com/dcm1.html Another Diet Coke and Mentos video.

http://photowebs.blogspot.com/2006/03/transparent-butterfly.html Pictures of a butterfly which has transparent windows in its wings.

http://www.canyonsworldwide.com/crystals/index.html Photos of a cave that has enormus crystals.
http://jacksonpollock.org/ A cool flash app which uses the mouse to make Jackson Pollock style paintings on the screen.

http://www.instructables.com/id/The-Office-supplies-trebuchet/
http://ubuntuforums.org/showthread.php?p=1071920&mode=linear
http://www.wired.com/wired/archive/14.06/start.html?pg=9

http://www.instructables.com/id/Vacuum-Cannon_1/ Instructions on how to make a vacuum cleaner into a cannon.
http://www.primitiveways.com/fire_from_ice.html Starting fire with a lens made of ice.

http://jesuspan.com/ Put the image of Jesus on all of your meals with the Jesus Pan.
http://www.comagz.com/webmagazine/story/water_over_a_bridge This is a really cool bridge built in Germany designed to move a channel over a river.

http://googleearthholygrail.ytmnd.com/ The Holy Grail has been found, you can quit now.
http://world.honda.com/ASIMO/technology/intelligence.html The ASIMO robot can now identify gesticulations and some facial expressions.
http://flavor8.com/index.php/2006/05/29/how-to-make-a-dvd-in-linux/ How to burn a DVD in Linux.

http://www.youtube.com/watch?v=XvG3IK-hzRs Incredible yoyo tricks.

http://www.youtube.com/watch?v=CJQ2jKvPjHI Trippy pie video!