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Home > News > Tags > sunlight
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Black silicon solar cells developed by a collaboration of researchers in the United States are capable of absorbing more than 99.7 percent of all sunlight that falls on them. This level of photon absorption is significantly higher than that of any other solar cell on the market today.
Other devices of this class ab... |
30 April 2012
11:00 GMT |
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Dark-colored, rocky, bare and dry areas on Earth are the places where the highest temperatures are recorded. Though one may be tempted to think that deserts are the hottest places around, this is simply not the case. Now, experts suggest that we should make cities less dark-colored.
When seen from above, our larges... |
20 April 2012
03:41 GMT |
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Intensive care patients survive for longer if they are exposed to natural sunlight, a group of experts from the Tel Aviv University (TAU) Sackler Faculty of Medicine and Sheba Medical Center found out in a recent investigation. It is known that the human skin produces important amounts of vitamin D when exposed to s... |
5 April 2012
10:16 GMT |
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Scientists from the National Renewable Energy Laboratory (NREL) have come up with a black silicon technology, seeking to make solar power more competitive with other types of energy over the next decade.
New Jersey-based Natcore will benefit from their findings, exploring the new path to launch a new generation of ... |
30 December 2011
04:47 GMT |
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Dutch startup Off-Grid Solutions combine eco-friendly technologies with a charitable goal, in a new project aiming to take 1.5 billion financially-challenged people out of the dark.
The main objective is to lighten the African continent in a sustainable manner, annihilating the harmful kerosene dependency.
Their s... |
27 December 2011
03:32 GMT |
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Woodlands are ecosystems that operate in mysterious ways. Even so, Czech scientists succeeded in finding out how trees in dense forests cope with a decreased level of sunlight absorption and how their mechanism of capturing carbon for photosynthesis turns out to be effective in these conditions.
Their discovery is ... |
21 November 2011
06:41 GMT |
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At times when governments don't seem eager to invest in renewables, scientists try to improve the alternative sources of energy on their own. Solar power, considered to be one of the safest, most efficient means of producing green energy still requires a lot of improvements.
According to experts in this field ... |
11 November 2011
03:55 GMT |
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Scientists have determined in a new study that coral reefs of the same species display particular genetic and morphologic characteristics, which appear to be particular to their standard locations. In other words, same-species corals living at different depths are very different from each other as a result. The inves... |
17 October 2011
16:01 GMT |
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By using unusual types of materials and innovative arrangements, investigators at the Arizona State University (ASU) were recently able to set the basis of a new solar cell design. The experts behind this work say that their new solar cells will soon exceed the performances of any other.
Electrical engineering Ph... |
7 October 2011
05:00 GMT |
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University of Toronto chemistry professor Greg Scholes strongly believes that we can improve our renewable energy production methods by a wide margin, if only we could learn to emulate the highly-successful designs that can be met anywhere in nature. He is mostly referring to solar energy, as this is the vastest sour... |
23 September 2011
11:40 GMT |
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A group of engineers at the University of California in Los Angeles (UCLA) says that smartphones and laptops of the future may be capable of replenishing their batteries from the environment. The team is working on a method of transforming the devices' LCD screens into energy-harvesting instruments.According to... |
10 August 2011
02:57 GMT |
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Investigators at the University of Manchester have taken a deep interest in harnessing as much sunlight as possible. They are working with colleagues at several universities in the United Kingdom to achieve this objective, which calls for the creation of new devices for harnessing solar energy. The investigators, bas... |
5 July 2011
10:00 GMT |
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A scientist in the United States announces the development of a new device, which is capable of harvesting up to 90 percent of the energy contained in available sunlight. The innovation could make its way to the market in as little as 5 years, its creator explains.This is a remarkable achievement, analysts say, given... |
17 May 2011
03:51 GMT |
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The most abundant source of renewable energy has always been the Sun, but technologies available to us today make it impossible to convert its heat and light into electricity in an efficient manner. Now, experts develop a new approach to doing so, that is 8 times more effective than any others.
According to the t... |
3 May 2011
02:46 GMT |
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For quite some time now, climate researchers have figured out that clouds play a critical role in determining the amount of sunlight that makes its way to Earth, and is retained here to warm the planet. A new study has just found that the amount of light that passes through depends on the photons' wavelength.Exp... |
23 April 2011
06:43 GMT |
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Brigham Young University professor Richard Watt and his chemistry students, managed to turn gold into purple, on purpose, thus confirming a new way of harvesting solar power.They thought of a way they could imitate the reaction between chlorophyll and sunlight, in plants' photosynthesis, and they discovered a co... |
27 January 2011
10:36 GMT |
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A team of researchers from Japan, has been very inspired by the moth eye's microstructure and they created a new film for covering solar cells that can reduce the amount of reflected light and capture more power from the sun.
Noboru Yamada, a scientist at Nagaoka University of Technology Japan, who led the r... |
21 January 2011
02:51 GMT |
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It's now or never for NASA's Mars Exploration Rover (MER) Spirit, say mission managers at the Jet Propulsion Laboratory (JPL), in Pasadena, California. The Martian spring is in full swing, and, if the robot is ever to recover, now should be the time. The last communications NASA had with Spirit were on Ma... |
10 January 2011
03:43 GMT |
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Today's the big day, or should I say tonight's the night when sky watchers should be able to see the total lunar eclipse you might have already heard of.If you're interested in watching this very rare event you will have the chance of admiring it tonight, but you should also know what to look for.This ... |
20 December 2010
04:01 GMT |
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Officials at the Boeing Company announce that the corporation has begun to mass-produce the C3MJ+, which is the newest type of terrestrial solar cell developed by the wholly-owned subsidiary Spectrolab. The cells have a conversion efficiency of 39.2 percent, meaning that they convert more than a third of the total am... |
22 November 2010
09:57 GMT |
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New scientific studies have evidenced that people who avoid sunlight in order to minimize their risk of developing skin cancer have lower levels of vitamin D as a direct result. The fact that natural light helps the production of this essential vitamin in the skin has been known for a long time. Experts recommend at ... |
19 October 2010
03:45 GMT |
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This polymer film contains microstructures that bend incoming sunlight so that the panels can absorb it and produce more electricity, and it also can be applied to already installed solar panels.This rather cheap technology is developed by a small startup called Genie Lens Technologies, from Englewood, Colorado, it c... |
10 August 2010
08:44 GMT |
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Officials at the Japan Aerospace Exploration Agency (JAXA) announce that they were recently able to perform another premiere maneuver using the Ikaros solar sail. The spacecraft, which is the first successful prototype of its class, managed to turn while flying through deep space, all while using nothing more than th... |
7 August 2010
05:39 GMT |
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Researchers at the NASA Jet Propulsion Laboratory (JPL), in Pasadena, California, have just released the latest report on Spirit's condition on Mars. According to the scientists, who manage the mission for the space agency's Science Mission Directorate, in Washington, DC, the Mars Exploration Rover (MER) co... |
30 July 2010
09:09 GMT |
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For many years, researchers have known that humans lack the ability to heal damage in their DNA caused by overexposure to the ultraviolet (UV) wavelengths in sunlight. Most animals and some plants pose this ability, but we apparently don't have the enzymes needed for the job. In a recent series of scientific inv... |
26 July 2010
04:31 GMT |
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Though solar panel technology has come a long way over the past few years, it is still plagued by low conversion rates. This means that only a small portion of the sunlight that hits the panels actually gets converted to electricity. In a bid to increase efficiency rates, researchers turned to nature, and looked at h... |
11 May 2010
06:04 GMT |
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In nature, it would appear that purple is indeed the new green. Actually, it's been this way since the beginning of time, but it's only now that investigators are finally beginning to realize the massive superiority that purple bacteria have over their green counterparts in producing energy from sunlight. S... |
4 May 2010
06:39 GMT |
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An upset Apple Discussions forum user opened a topic yesterday entitled “STEVE JOBS READ THIS !!!!!” His complaint is related to one of the iPad’s built-in safety measures – an overheating warning message that, according to the customer, pops on the screen even in cool situations. The seeming... |
8 April 2010
03:41 GMT |
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The Mars Exploration Rover (MER) Spirit may have begun its month-long, low-power hibernation, researchers at the NASA Jet Propulsion Laboratory (JPL), in Pasadena, California, announce. The robot missed a scheduled check-in on March 30, which could mean that its power levels were inadequate to allow for the transmiss... |
1 April 2010
14:01 GMT |
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Even from its earliest stages of its existence, Earth has been covered in water. Geologists know this from ample sources, and they believe that there is no reason to doubt the geological findings. However, for the past 50 years or so, scientists have been puzzled by a strange question. How could there be liquid ocean... |
1 April 2010
02:25 GMT |
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Experts looking at more than three decades-worth of data have recently concluded that the levels of ultraviolet radiations we were exposed to over the past 30 years had been increasing steadily. However, it would now appear that the trend is starting to level off, largely due to the introduction of the Montreal agree... |
17 March 2010
09:59 GMT |
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At this point, officials at NASA are conducting a second listening campaign on Mars, for any possible signals that a hypothetically resurrected Mars Phoenix Lander may give off. Engineers at the American space agency are using their Mars Odyssey spacecraft for this job. The orbiter is being diverted from its regular ... |
26 February 2010
01:39 GMT |
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When it comes to which handset is performing better in direct sunlight, it all depends greatly on the maker, the technology used in building the screen, in display settings and more. There are few devices that can do great in such conditions, one should agree, but things are becoming pretty interesting when high-end... |
25 January 2010
05:23 GMT |
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Though the NASA/ESA Cassini spacecraft did a number of flybys around Titan, its advanced instruments were not able to penetrate the cloud layers on the moon, so researchers only had to rely on incomplete data collected by non-visual instruments. Regardless, they were able to infer the existence of lakes of liquid hyd... |
18 December 2009
17:11 GMT |
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Scientists determined a long time ago that Mars' atmosphere would make all of the planet's methane resources disintegrate within only a few hundred years. But, seeing how this decrease does not manifest itself, astronomers believe that the methane gas may actually be replenished from somewhere else on the p... |
9 December 2009
02:58 GMT |
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Though they provide beautiful views of the surrounding areas, windows are among the most fearsome enemies of energy efficiency. More than 30 percent of the energy consumed in the United States, the largest electricity provider in the world, goes to remedying the situations that windows create. The current is used to ... |
3 December 2009
19:01 GMT |
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Scientists controlling space-based analysis instruments aimed at the Earth have known for a long time that the outlines of the Earth's continents can easily be distinguished from orbit from the outlines that they project onto clouds. This may be owed to the significant differences that appear between cloud cover... |
18 November 2009
10:52 GMT |
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The US National Science Foundation (NSF) and the Department of Energy (DOE) recently awarded experts at the University of Texas in Austin (UT) a total of $2.5 million, for research related to developing new methods of using sunlight to break up water (H20) and produce hydrogen (H2). The new materials will be used in ... |
17 September 2009
20:01 GMT |
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Sunshine and fish may be the two things that are indispensable to the development of the human brain, a new scientific study from experts at the University of Manchester shows. The health experts argue that vitamin D, which can be abundantly found in fish, has the ability to increase the mass of gray matter inside th... |
21 May 2009
09:21 GMT |
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In a new scientific study conducted on a type of topical skin cream readily available in stores right now, researchers at the Saint Louis University have discovered that Imiquimod is very capable of actively combating the spread of skin cancer, and regular applications may also keep it in check. The find may be of ma... |
29 April 2009
09:48 GMT |
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In addition to the traditional “approaches” to stopping global warming and climate change, such as reducing greenhouse gas emissions and installing clean technologies at power plants, scientists also ponder larger schemes, at a planetary scale. Among them, sprinkling the world's oceans with iron part... |
18 March 2009
03:44 GMT |
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A relatively unknown US company named The Next Step has invented a new system for lighting the interior of average homes through the use of natural sunlight. The Hybrid Solar Lighting (HSL) system uses natural light during the day and electric light during the night, and can provide sufficient ambiance lighting for m... |
5 February 2009
04:30 GMT |
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You must be thinking that the poor lander has been pronounced dead several times now and you're right to some extent. The difference is that, this time, it's for good. Although hopes for any sign of communication with the brave lander were extremely low, NASA technicians still made a few more attempts to li... |
2 December 2008
04:53 GMT |
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The mission performed by the Indian Space Research Agency (ISRO)'s spacecraft, Chandrayaan-1, currently orbiting the Moon is carrying on very well so far. It has already successfully launched an impacting probe to the lunar surface and has sent the first pictures and scientific data collected back to Earth. But ... |
28 November 2008
08:46 GMT |
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As moving large solar-sailed space vehicles around aided by the energy of sunlight has proved to be impossible so far, some experts were not discouraged by the failure. In fact, it made them realize that perhaps, if the energy was too little for such grand purposes, it might still be enough in order to drive machines... |
27 November 2008
09:54 GMT |
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Although people are accustomed to shiny solar panels and cells that are believed to replace conventional energy sources in the future, this is promised to change soon. In fact, scientists have discovered that, in order to improve the efficiency of the solar light caption devices, these need to be made as less reflect... |
13 November 2008
07:56 GMT |
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According to common knowledge - a fact recently restated by MIT's Henry Dreyfus Professor of Energy Daniel Nocera - enough sunlight is provided to the Earth in one hour for its population’s demand for an entire year. Although this was easy to find out, it didn't prove so to put into practice... |
27 October 2008
05:52 GMT |
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It's not often that astronomers find asteroids made out of a single massive piece, but rather containing two or more objects loosely bound together or orbiting each other, tumbling through the immensity of space. The cause to this particularity remained a subject of debate for a long time, although now a new stu... |
10 July 2008
05:41 GMT |
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The previous greatest depth under the surface of the seafloor at which life was found is about two times less than that of the current record of 1.6 kilometers, thus encouraging future life searches on other planets in the solar system. The newly found microscopic life is also believed to be one of the hottest ever d... |
26 May 2008
11:19 GMT |
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Unlike other ideas proposed by certain people, including filling up the atmosphere with colloidal carbon in order to block the sunlight and cultivate seaweed to extract the carbon dioxide excess, it seems that, at this year's UN climate conference, the Pentagon finally had a realistic solution for an alternative... |
28 December 2007
05:54 GMT |
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