Many kinds of algae and cyanobacteria, common water-dwelling microorganisms, are capable of using energy from sunlight to split water molecules and release hydrogen, which holds promise as a clean and carbon-free fuel for ...
Cell & Microbiology
May 24, 2011
6
0
Efficiency is a problem with today's solar panels; they only collect about 20 percent of available light. Now, a University of Missouri engineer has developed a flexible solar sheet that captures more than 90 percent of available ...
Energy & Green Tech
May 16, 2011
16
0
(PhysOrg.com) -- An international team, of scientists, led by a team at Monash University has found the key to the hydrogen economy could come from a very simple mineral, commonly seen as a black stain on rocks.
Materials Science
May 16, 2011
13
2
Bouncing around from cloud to cloud, and down to Earth, sunlight's warmth is both enhanced and blocked by clouds. Atmospheric scientists from Pacific Northwest National Laboratory found that clouds' overall effect on the ...
Earth Sciences
May 9, 2011
5
0
Atmospheric scientists trying to pin down how clouds curb the amount of sunlight available to warm the earth have found that it depends on the wavelength of sunlight being measured. This unexpected result will help researchers ...
Earth Sciences
Apr 22, 2011
16
0
The British government has urged people to avoid taking outdoor exercise in the afternoon over the Easter weekend because of the first "summer smog" of the year.
Environment
Apr 22, 2011
0
0
(PhysOrg.com) -- A new polymer-based solar-thermal device is the first to generate power from both heat and visible sunlight – an advance that could shave the cost of heating a home by as much as 40 percent.
Energy & Green Tech
Apr 19, 2011
16
0
Brazilians are world leaders in using biofuels for gasoline. About a quarter of their automobile fuel consumption comes from sugarcane, which significantly reduces carbon dioxide emissions that otherwise would be emitted ...
Environment
Apr 17, 2011
12
0
The exploitation and utilization of new energy sources are considered to be among today's major challenges. Solar energy plays a central role, and its direct conversion into chemical energy, for example hydrogen generation ...
Condensed Matter
Apr 14, 2011
2
0
The direct conversion of sunlight into electricity using photovoltaics is becoming an increasingly important technology for renewable energy generation as a replacement for fossil fuels, with applications from large-scale ...
Nanomaterials
Apr 14, 2011
0
0
