July 4, 2004

Energy

Four rules for wind turbines

Here are the 4 key factors when deciding whether to invest in wind turbines:

The generator must be placed higher than all obstructions within 500 feet in all directions, by at least 30 feet plus the blade radius.

At most locations, wind energy is less consistent than Photo-Voltaic (Solar Energy panels) , and usually peaks at different times. Wind is best used in a hybrid system with PV.

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July 4, 2004 No Comments

A pair of knickers made of stinging nettle fibre is part of a UK government-funded scheme to show off new uses for one of Britain’s least-loved plants. The nettle, which has its sting removed before being used for cloth, is being promoted as an environmentally friendly, hard-wearing alternative to cotton, whose farmers use 25% of the world’s pesticides.

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July 4, 2004 No Comments