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GeoGearHeadsFor the one-hundred sixty-third edition of the GeoGearHeads we talk with Russell Atkinson (author of the Cliff Knowles Mysteries) about ciphers. Some resources he suggests are;

A couple of tools to solve the ciphers are;

Google+ Users are encouraged to join the Recreational Cryptanalysis community. Then some puzzles geocaches on which you can practice are;

Congratulations to RatNKids for submitting the winning response for this week's question. Thanks to for their donation of this week's gift!

The live video session from this Google+ Hangout On Air can be found on YouTube.

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Direct download: GGH163.mp3
Category:GeoGearHeads -- posted at: 12:00am EDT