Green

How-To: Build With Pumice

How-To: Build With Pumice

Interesting off-beat find via kris de kecker’s “No Tech Magazine,” which today linked to WIKI-style and PDF versions of Klaus Grasser and Gernot Minke’s 1990 book “Building With Pumice.” Turns out pumice, a foamy igneous rock, often tan in color and generally known for its ability to float in water…

Balanced Stones in Running Water

Balanced Stones in Running Water

Our own Mark Frauenfelder discovered the work of Boulder, Colorado interventions-in-nature artist Mike Grab in the best possible way: He happened upon one of Mike’s sculptures, in the wild, soon after its completion. Simply put, Mike Grab balances rocks, one on top of another, in flowing water, with no glue or other means of support apart from gravity itself.