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Wind power - Wikipedia

Wind power has been used as long as humans have put sails into the wind. For more than two millennia wind-powered machines have ground grain and pumped water. Wind power was widely available and not confined to the banks of fast-flowing streams, or later, requiring sources of fuel.

DIY Solar Garage: 14 Steps (with Pictures)

DIY Solar Garage: Welcome! In this Instructable, I'd like to show you how I installed my own grid-interactive solar array, so that you can too!To start with, this is a "Grid-Tie" or "Utility-Interactive" solar system.

Solar power - Wikipedia

Mainstream technologies. Many industrialized nations have installed significant solar power capacity into their grids to supplement or provide an alternative to conventional energy sources while an increasing number of less developed nations have turned to solar to reduce dependence on expensive imported fuels (see solar power by country).

Portland, ME | Official Website

City Hall of Portland 389 Congress Street, Portland, ME 04101, (207)874-8300. Visit our website where we describe the unique characteristics of living and doing business in Portland, Maine.

Last Word Archive | New Scientist

If a car moving at 100 kilometres per hour hits a concrete wall, all of its kinetic energy must be turned into other forms of energy. What are those forms, and can anyone describe the overall ...

Electronic Projects -

Electronic Projects mostly associated with solar power. With these requirements in mind, and some others, I decided on a variation of National Semiconductors "Micro Wire"(TM).

Solar Photovoltaic Projects

PV Basics: Step One -- Avoid the scams: There are some very heavily advertised guides for sale on the Internet in the $50 range that promise that you can make PV panels that will provide "80%" of your homes power for a couple hundred dollars.

Insulation Contractors Near Me - Checklist & Price Quotes in 2019

Because a DIY is likely to do a clumsy insulation with batt and blanket, leading to big loss in effectiveness, it is best to leave installation to an insulation expert near you.

Electricity Comes From Coal, So EVs Aren't Cleaner Than Gas ...

Skeptics and those opposed to the electric vehicle revolution will have you believe that EVs are powered by coal. However, there's a whole lot more to the story.

If your Chinese solar panels are not on one of these lists ...

A lot of people are wary of Chinese solar panels. China doesn't exactly cover itself in glory with some of the low quality junk it manufactures. But, as I have said many times before, China also produces some fantastic quality stuff. Need examples? I bet the device you are reading this blog on was ...