New month new topic.
Lets start off with some trivia for those people who enjoy puzzle solving.
A Planar Graph is a graph that can be embedded in a plane so that no edges intersect.
This puzzle allows you to experiment with planar graphs by rearranging the vertices (blue dots) so that none of the edges intersect …
Warning this may be addictive 
Check it out at
Are you being driven mad trying to solve fiendishly difficult Sodoku puzzles ?
Here’s a little helper if you ever need a bit of assistance with those really difficult ones SuDoHelper
Googles Web Directory integrates their search technology with Open Directory pages to create a useful tool for finding information on the web.
In particular I find the resource related to CAD/CAM useful and thought it might be useful for others too …
Google CAD/CAM
http://directory.google.com/Top/Computers/CAD_and_CAM/
On another Google note, since I last looked, I see that they are increasing their satellite image coverage of the world
Is text messaging as quick as it seems?
Perhaps we should return to using morse code.
In recent contests, passing messages by morse code proved faster than texting.
In one contest in Australia, a 93 year old post office veteran sent and translated 21 words in a mere 90 seconds beating a teenage texter by 18 seconds.
Here’s another contest on the Jay Leno Show
http://n6tv.kkn.net/Text_vs_Morse_Leno_2005_05_13.wmv
(or was it just a delay in the network ?)
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