http://users.softlab.ece.ntua.gr/~ttsiod/buildWikipediaOffline.html This guy wrote a nifty program to index, search and display a local copy of Wikipedia.

http://lpcoverlover.com/2010/07/18/no-spitting/ Cultural gap.

http://www.precision-gps.org/ Open source software that uses multiple GPS receivers to find the distances between them.

http://pubs.er.usgs.gov/usgspubs/pp/pp1395 A paper reviewing the different map projections used by the USGS.

http://www.walkscore.com/ Measure how walking accessible your neighborhood is!

http://little-people.blogspot.com/ Pictures of miniature people posed as if they were living in the world around us.

http://hideapod.com/ Keep your iPod from being stolen by hiding it inside a case that looks like a Zune!

http://alientrap.org/nexuiz/ Nexuiz is an open source first person shooter.

http://www.kk.org/cooltools/ This blog reviews cool and useful tools.

http://www.npr.org/templates/story/story.php?storyId=11029793&sc=emaf A reporter tries to confirm the urban legend that cleaning keyboards in a dishwasher is safe. It works for his dishwasher but he shares warnings from manufacturers.