Waterproof Digital Camera: OptioWP

Pentax is introducing a compact digital camera, called the OptioWP, that can be used to shoot underwater. The camera won’t be available until March, 2005. The seams in the camera are protected with rubber sealant and an interlocking design to resist dust, pressure and moisture. Inside, an internal 3X optical zoom captures images as close […]

Book Review: Earthbag Building

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What is Earthbag Building? Well, plainly enough, it’s a method of building using bags filled with earth. This newly released book, Earthbag Building, is the first comprehensive guide to all the tools, tricks, and techniques for building with earthbags. Having been introduced to sandbag construction by the renowned Nader Khalili in 1993, the authors developed […]

Using Urine to Grow Plants

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This book, Liquid Gold: The Lore and Logic of Using Urine to Grow Plants, by Carol Steinfeld explains how urine can be utilized as a resource! Urine contains most of the nutrients in domestic wastewater and usually carries no disease risk. Starting with a short history of urine use — from ritual to medicinal to […]