Sunday, May 31, 2009
Monday, May 18, 2009
Wolfram|Alpha
WolframAlpha is a new kind of search / calculation engine. I might need it in the future. I might not. If I do, I know where to find it :-)
Friday, February 29, 2008
Scale model of the universe
This one page print-out by Jef Raskin has all the info you need to make a scale model of the universe ... not that it's easy as it would still be 3 miles from the Sun to pluto!
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