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3 bit computer for 2 bit nerds

It might not do much for your Folding@home score, but you can seriously up your geek cred with this 2.0 update to the classic DIGI-COMP I of the 60's. Originals go for upwards of $100 on E-Bay, but this new and improved version of the build-your-own-mechanical-computer goes for $50 and still crunches that Boolean logic like it's 1968.

[Via Retro Thing]