Simple solar water heat: environmentally benign devices that fatten your wallet

Article Abstract:

A man describes how accidently finding hot water in a hose left discarded all day, led him to design and build a solar water heater for less than four dollars. The design features of solar water heaters are described including more costly ones. A list of four books on solar water sources are provided.

Economic aspects, Design and construction, Water heaters, Solar water heaters

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Paving the way: the hard facts about roadway and walkway surfaces

Article Abstract:

Choosing material for a walkway or roadway is the first step in planning. Concrete and asphalt are the two most sturdy surfaces, but other materials can also be used. Construction techniques and maintenance are discussed.

Pavements

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Newman Gee and his trees' knees

Article Abstract:

Gee Norman is a Maine farmer who has captured the niche market for the roots or 'knees' of hackmatack trees. Hackmatack knees are used in traditional boatbuilding and in timber-framing projects.

Maine, Management, Usage, Behavior, Roots (Botany), Shipbuilding, Tree farms, Gee, Norman

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