I'm back from a longish vacation on Lake Huron, North Manitou Island, and other pleasant places. I think I'll try starting up my blog again.
Here's a fascinating follow up to my post a while back on open source problem solving in science: Luis von Ahn's latest project that uses fragments of old text as CAPTCHAs. Thus, when typing those irritating words you have to type to prove you are human you are helping transcribe old books. Brilliant.
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