Solar Energy to dye for

10 May, 20:00, by renergy

Researchers at the University of Turku believe that flexible, lightweight and inexpensive dyes could be used to harvest the power of the sun rather than our relying on costly and fragile semiconductor solar panel that use crystalline silicon.

Solar power is an essential part of the green energy mix, but adoption has been limited in many parts of the world where government subsidies and financial incentives have not been in place. However, as part of a sustainable approach to electricity generation, it offers a clear view of a future in which domestic supply relies less and less on grid power systems or else provides a localised grid for remote places, particularly in sunny climes. Photovoltaic solar cells based on poly-crystalline silicon are the most commonly used devices, having first been used as space satellite technology back in the 1950s and 1960s.

In a DSC, sunlight hits a layer of the white pigment titanium dioxide, the solar energy absorbed then sucks electrons from dye molecules in a layer beneath this coating, thus generating a flow of electrons and producing a current….More at Solar power to dye for: Flexible lightweight inexpensive dyes could harvest energy from sun

Solar Energy

20 April, 16:09, by EcoFriendly Tags: , , ,

Uhh…it’s for Science?  I have bad luck with uploading?

Natural Light Energy Systems 30 Watt Roof Mounted Attic Fan


The Natural Light Energy 10 Watt Solar Attic Fan is a simple and environmentally sensible solution that can save you money. Powered completely by free solar energy, this sleek and efficient vent is both compact and quiet. Fully operational right from the

Wind Turbines / Wind Power / Wind Energy (3D animation)

www.green-translation-service.com This 3d animation shows how wind turbines work and explains the main parts.

Wind Energy Explained: Theory, Design and Application


Wind energy’s bestselling textbook- fully revised.

This must-have second edition includes up-to-date data, diagrams, illustrations and thorough new material on:

  • the fundamentals of wind turbine aerodynamics;
  • wind turbine testing and modelling;
  • wind turbine design standards;
  • offshore wind energy;
  • special purpose applications, such as energy storage and fuel production.

Fifty additional homework problems and a new appendix on data processing make this comprehensive edition perfect for engineering students.

This book offers a complete examination of one of the most promising sources of renewable energy and is a great introduction to this cross-disciplinary field for practising engineers.

“provides a wealth of information and is an excellent reference book for people interested in the subject of wind energy.” (IEEE Power & Energy Magazine, November/December 2003)

“deserves a place in the library of every university and college where renewable energy is taught.” (The International Journal of Electrical Engineering Education, Vol.41, No.2 April 2004)

“a very comprehensive and well-organized treatment of the current status of wind power.” (Choice, Vol. 40, No. 4, December 2002)

Solar Energy Solar Kits

WINDENERGY7.com – - Solar Energy and Solar Kits are available at our site. Solar Energy is the conversion of sunlight into electricity. Sunlight can be converted directly into electricity using photovoltaics (PV), or Solar Energy. Photovoltaics were initially used to power small and medium-sized applications, from the calculator powered by a single solar cell to off-grid homes powered by a photovoltaic Solar Energy array. A significant problem with Solar Energy is installation cost. Small Solar Energy applications are now replacing other sources in the developing world. Solar Energy for Sale and Solar Panel Cost for Solar Installation are available from WindEnergy7 LLC. We are an Ohio based company shipping Solar Energy worldwide. We sell complete engineered systems to ensure customers success in their installation and operation. Our systems provide energy security, emergency power, and we can run anything, any size, anywhere, with or without the grid power. Our customers can run their meters backward selling excess power to the utility. Solar Energy are used extensively in the country where there is no grid energy available. These systems are called Off-Grid solar panel systems. This requires the use of batteries to store the energy for use at night or on long stretches of overcast weather. The energy stored in the batteries leaves the batteries as DC electricity then converted to alternating current (AC) for use with conventional appliances. Much like running your own

For Wind Energy’s Future, Researchers Look High in the Sky

The next major innovation in wind power might not involve big, white turbines dotting the countryside. KQED QUEST reports on research being done on “tethered airfoils” that could capture wind energy more efficiently that earthbound turbines. This report is part of the NewsHour’s Connect series of quality public media reporting.

Energy 101: Solar Power

23 March, 18:17, by EcoFriendly Tags: , , , ,

Our animated correspondent, ‘Little Lee Patrick Sullivan,’ continues our “Energy 101″ series with an inside look at solar-power technology. He breaks down the different types of solar devices and how they work, detailing the pros and cons of this renewable energy source.

Bloom Box: The Alternative Energy that Terrifies Obama

23 March, 18:17, by EcoFriendly Tags: , , , , , , ,

Bloom Box: The Alternative Energy that Terrifies Obama

Sustainable Energy – Without the Hot Air


Addressing the sustainable energy crisis in an objective manner, this enlightening book analyzes the relevant numbers and organizes a plan for change on both a personal level and an international scale—for Europe, the United States, and the world. In case study format, this informative reference answers questions surrounding nuclear energy, the potential of sustainable fossil fuels, and the possibilities of sharing renewable power with foreign countries. While underlining the difficulty of minimizing consumption, the tone remains positive as it debunks misinformation and clearly explains the calculations of expenditure per person to encourage people to make individual changes that will benefit the world at large.

Renewable Energy

A short video that I made for science when I was In Year 10, Hope you enjoy :) Thanks so much to those who have watched this video, which has reached over 67000 views!

Alternative Energy For Dummies

Get the truth about alternative energy and make it part of your life

Want to utilize cleaner, greener types of energy? This plain-English guide clearly explains the popular forms of alternative energy that you can use in your home, your car, and more. Separating myth from fact, this resource explores the current fossil fuel conundrum, the benefits of alternatives, and the energy of the future, such as hydrogen and fuel cell technology.

  • The ABCs of alternative energy — what it is, how it works, and what the real costs are
  • Where we are now — learn where our current energy comes from and how much longer it will last

  • Take the first step — see how energy efficiency and conservation can reduce your reliance on fossil fuels

  • Grasp the alternatives — from nuclear power to geothermal energy to wood burning, understand the benefits that alternative energy can have on the nation

  • Apply alternative fuels to transportation — from biofuels to exotic propulsion to electricity, see how they are best used and how hybrid, all-electric, and fuel cell–powered vehicles work

  • Get a peek into the future — see what the outlook holds for each form of alternative energy discussed

Open the book and find:

  • The pros and cons of alternative energy
  • A review of the current world energy economy

  • The problems with fossil fuels, from smog to global warming

  • Advantages of alternative energy

  • Practical results of alternatives you can use in daily life

  • Guidelines for investing in alternative energy vehicles

  • Ten ways you can bring about change right now

  • Insight into the future of energy production — and how you can invest in it

Backyard Wind Power

Some homeowners are installing wind turbines in their backyards. These windmills are connected to the grid, and deliver renewable, green energy to the owner’s home. MarketWatch’s Stacey Delo talks with San Francisco homeowner Robin Wilson about putting in a wind turbine in an urban area. Video originally aired October 8, 2008. Check out more videos at www.wsj.com

Wind Power For Dummies


The consumer guide to small-scale wind electricity production!

Maybe you’re not T. Boone Pickens, but you can build your own home-sized wind-power empire right in your back yard. Wind Power For Dummies supplies all the guidance you need to install and maintain a sustainable, cost-effective wind generator to power your home for decades to come.

This authoritative, plain-English guide walks you through every step of the process, from assessing your site and available wind sources to deciding whether wind power is the solution for you, from understanding the mechanics of wind power and locating a contractor to install your system to producing your own affordable and sustainable electricity.

  • Guides you step by step through process of selecting, installing, and operating a small-scale wind generator to power your home
  • Demystifies system configurations, terminology, and wind energy principles to help you speak the language of the pros
  • Helps assess and reduce your energy needs and decide whether wind power is right for you
  • Explains the mechanics of home-based wind power
  • Shows you how to tie into the grid and sell energy back to the power company
  • Offers advice on evaluating all of the costs of and financing for your project
  • Provides tips on working with contractors and complying with local zoning laws

Yes, you can do it, with a little help from Wind Power For Dummies.

Energy 101: Wind Turbines

See how wind turbines generate clean electricity from the power of the wind. Highlighted are the various parts and mechanisms of a modern wind turbine.

Wind Energy Basics, Second Edition: A Guide to Home- and Community-Scale Wind-Energy Systems


The availability of clean, renewable power is without question going to be the defining challenge and goal of the 21st century, and wind will lead the way.

Internationally acclaimed wind energy expert Paul Gipe is as soberly critical of past energy mistakes as he is convincingly optimistic about the future. The overwhelming challenge of transforming our world from one of fossil carbon to one of clean power seems daunting at best–and paralyzingly impractical at worst. Wind Energy Basics offers a solution.

Wind power can realistically not only replace the lion’s share of oil-, coal-, and naturalgas- fired electrical plants in the U.S., but also can add enough extra power capacity to allow for most of the cars in the nation to run on electricity. Gipe explains why such a startlingly straightforward solution is eminently doable and can be accomplished much sooner than previously thought–and will have the capacity to resuscitate small and regional economies.

Wind Energy Basics offers a how-to for home-based wind applications, with advice on which wind turbines to choose and which to avoid. He guides wind-energy installers through considerations such as renewable investment strategies and gives cautionary tales of wind applications gone wrong. And for the activist, he suggests methods of prodding federal, state, and provincial governments to promote energy independence.