electrical earth presentation
But Obama’s promise of preserving natural resources and jump-starting the economy ran smack into the reality of this economically struggling town of about 16,000 about 30 miles east of Des Moines.
The wind energy plant where he spoke, and received a tour beforehand, is a shadow of what it replaced – a Maytag Corp. appliances plant that built washers, dryers, and refrigerators and employed about 4,000 in jobs that paid about $30,000 to $40,000 a year.
Trinity Structural Towers has roughly 90 people working at the old Maytag site, a number that is expected to grow to …
L.U. 300 (govt,i,mt&u), MONTPELIER, VT—Despite a vote by the Vermont Senate to close the state’s only nuclear power plant, a coalition of construction unions maintain their support for Vermont Yankee, a unionized nuclear power facility whose license is up for renewal in 2012.
The Vermont Building and Construction Trades Council is a partnership of 15 labor unions that represent several thousand workers—many of whom work at Vermont Yankee as both year-round employees and subcontractors. A founding affiliate of the council, IBEW Local 300 represents approximately 200 …
Greg Johanson’s History With Solar Cars
First Solar Power Car – July 2004 marked the 20th anniversary since Greg Johanson and Joel Davidson set The First Guinness World Record for a 100% solar powered car. In 1984 the solar electric vehicle was retired and taken apart, but the solar array is still producing electricity for an off-grid home.
(adapted from the June 1986 in Photovoltaics International magazine)
To demonstrate the principles of a …
… and individuals at least for partial power use. Wind turbine electricity is very economical, and earth friendly.
Winds are caused by the uneven heating of the environment by the sun, the changes in the earth’s surface, and the spinning of the earth. This is the information that is used to build wind turbines. Since the sun heats surfaces at uneven rates it forms pockets of hot air, and that hot air then rises up and this forces cooler air to rush in to fill the gap. This rushing wind is what creates the power to generate the electricity.
Blades are one of the most important pieces of the equation. Today turbines use blades that are horizontal, and …
… of this sort are yet in place.
Wind Energy: State of the Art and Future Trends – NREL presentation
View this NREL presentation in on of the following formats:
- Web format (optimized for Internet Explorer)
- PowerPoint presentation (5.6MB)
- PDF File (1.4 MB)
- Recent History
- Wind Turbines Today
- Economics and Wind Energy Development
- Future Trends
Wind Resource Maps (AZ and United States)
… 2010 | EnergyStar.gov The EnergyStar.gov website has an area for kids. It has lots…
Earth Science Week Update: February 2010February 26, 2010 | Earth Science Week A new Earth Science Week Update is posted on the earthsciweek.org website….
Resources for Teaching About EnergyApril 30, 2010 | Energy4Me Through its Energy4me program, the Society of Petroleum Engineers (SPE) offers teachers…
Climate Kids Website from NASAFebruary 1, 2010 | NASA NASA has unveiled their new website, called “Climate Kids: NASA’s Eyes on…
China Energy BriefNovember 9, 2010 | Energy Information Administration “Coal supplied 70% of China’s total …
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