Sunlight is a non exhaustible source of energy without contributing greenhouse gases to the atmosphere. Still it is miles away from replacing the fossil fuels. Many reasons can be sited. One of its biggest disadvantages is it is still out of reach for the common man and it has a long break-even period. Unless [...]
Posted in: Inventions, PhotoVoltaics, Solar Power
By Corey Dahl
SOLAR TODAY Associate Editor
National Geographic News posted an interesting article about solar projects in Cairo’s slums today.
The article discusses the work of Solar CITIES (check out their blog here), a nonprofit that has been installing solar hot-water systems and biogas reactors in the city’s neediest neighborhoods since 2003. The solar hot-water systems are somewhat primitive — m [...]
It seems the canvass of clean and green energy is getting bigger with each passing day. More and more products, vehicles, gadgets, homes and cities are being added to this ever expanding canvass. Germany’s Hamburg Harbor has announced the development of a world class Eco City. This eco city will be designed by Tec [...]
Posted in: Environment, Future Energy, Inventions
Off shore wind is steady and blows harder. If a country is densely populated it is hard to find open space to install wind farms. That is why there are more and more offshore wind farms in densely populated Europe where there is limited space on land and relatively large offshore areas with shallow [...]
Posted in: Environment, Wave Power, Wind Farms
A press release from Boeing:
SYLMAR, Calif., Aug. 26, 2009 — Spectrolab Inc., a wholly owned subsidiary of The Boeing Company [NYSE: BA], today announced that a solar cell it manufactured has set a new world record for terrestrial concentrator solar cell efficiency. The cell can convert 41.6 percent of concentrated sunlight into electricity.
The U.S. Department of Energy National Renewable Energy Laboratory in Golden, Colo., independently tested the efficiency of the Spe [...]
Manufacturers who are concerned not only about profit but about future too are developing such products that are clean and green and run on alternative fuels. Though currently clean and green products are costly, efforts are on to make them easy on pocket too. Solon SE is a Berlin-based solar company that has produced [...]
Posted in: Inventions, Solar Power, Transportation
By Seth Masia
SOLAR TODAY Managing Editor
Keith Bradsher reports in today’s New York Times that Chinese factories are moving full speed ahead to dominate the world market for photovoltaics.
The article says, in part:
Chinese companies have already played a leading role in pushing down the price of solar panels by almost half over the last year. Shi Zhengrong, the chief executive and founder of China’s biggest solar panel manufacturer, Suntech Power Holdings, [...]
The Theme of Concept: Theme of concept is to harness the kinetic energy within the flow of water without using the conventional methods like water wheel or other types of turbines. With some changes this can be a source of producing clean energy from tidal waves.
Components of System:
Push Plates
Chain Channel
Push plates embedded [...]
Posted in: Hydro Power, Inventions, Tidal Power
By Joseph McCabe
SOLAR TODAY “Solar Prose” columnist
So you want to be in solar
Do you have what it takes?
Try installing on your house
It separates out the fakes
It was Gandhi who said
“You have to be the change”
So learn at your place
It is not hard to arrange
Take a class
Get the skills
Install a system
Forget the bills
Investing in yourself
It’s the best you can do
The rewards will be high
A [...]
In most part of the world safe and clean drinking water is unavailable for daily consumption and industrial use. Currently to desalinate water two kinds of technologies are being used. First is known as reverse osmosis and the second is electro-dialysis. Both of these processes need huge amount of energy. A team of scientists [...]
Posted in: Environment, Future Energy, Waste Energy
