Jun. 9th, 2010

andygates: (Default)
There's a geohashing acheivement ribbon for "no batteries required" - geohashing without a GPS.  Clearly there's an "ultimate no batteries" where the hasher buys a copy of the FT to get the Dow seed, calculates the hash by hand, and then uses paper maps to navigate to the destination.

So, mathematicians, how does a person calculate an MD5 hash by hand?

Is it the sort of bitwise juggling you could do with a giant Mancala board and limitless patience? 
andygates: (Default)
Various friends are moving (or have moved) to all sorts of other blog sites.  My LJ Friends page, once the one-stop shop for the good stuff, is starting to look a bit raggedy and it's only getting more so.

How's a chap supposed to keep all his friends' blogs in one easy roll?

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andygates

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