Progressology

A nexus of technology, permaculture, and everyday life

About the author

Graduate student interested in appropriate technology, economics, climate change, manufacturing, control systems, open source, and permaculture.

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Progress on the Plains
Permaculture and the Internet
Untethered Aesthetics
e^CNC

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January 19, 2012

The growing gap between astronomical and atomic time-keeping.

Filed under time atomic astronomical

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