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The effectiveness of a heating system is validated, heating air from solar radiation
The device, which takes advantage of heat generated on the outer layer of building facades, could cover the heating required to ventilate a building for up to 75% of the days in a cold season. (2020-05-28)
Hydropower plants to support solar and wind energy in West Africa
Study maps smart electricity mix composed of solar, wind and hydropower for West Africa -- regional cooperation can provide up to 60% reliable and clean electricity (2020-05-28)
A new method for predicting the evolution of melanoma emerges
Research led by the UPV/EHU-University of the Basque Country estimates that determining the mutational load of the mutation of the BRAF (BRAF-V600E) gene could predict whether the melanoma will progress to metastasis (2020-05-27)
MAVEN maps electric currents around mars that are fundamental to atmospheric loss
Five years after NASA's MAVEN spacecraft entered into orbit around Mars, data from the mission has led to the creation of a map of electric current systems in the Martian atmosphere. (2020-05-26)
Next-generation solar cells pass strict international tests
A cost-effective method to stabilise perovskite solar cells could soon see them become commercially viable. (2020-05-21)
3D-printed system speeds up solar cell testing from hours to minutes
Tests on new designs for next-gen solar cells can now be done in minutes instead of days thanks to a new system built by scientists at Australia's Monash University, incorporating 3D-printed key components. (2020-05-20)
NUS researchers create novel device that harnesses shadows to generate electricity
NUS researchers have created a device called a 'shadow-effect energy generator' that makes use of the contrast in illumination between lit and shadowed areas to generate electricity. (2020-05-20)
Efficient, 'green' quantum-dot solar cells exploit defects
Novel quantum dot solar cells developed at Los Alamos National Laboratory match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on. (2020-05-18)
Organic small molecule hole-transporting layers toward efficient p-i-n perovskite solar cells
Researchers proposed a concept for designing small-molecule HTL materials with supramolecular interactions and inverse diffusion properties. (2020-05-13)
Cancer cells deactivate their 'Velcro' to go on the attack
To form metastases, cancer cells must be able to migrate. (2020-05-13)
New comet discovered by ESA and NASA solar observatory
In late May and early June, Earthlings may be able to glimpse Comet SWAN. (2020-05-13)
Yale researchers discover how HIV hides from treatment
Even after successful antiretroviral therapy, HIV can hide dormant in a tiny number of immune system cells for decades and re-emerge to threaten the life of its host. (2020-05-13)
A new concept of designing photocatalytic systems with reversed configurations
A reversed configuration of photocatalysts with a core/shell structure of microsized Mo2N cocatalysts and nanosized CdS photocatalysts exhibits superior solar hydrogen production. (2020-05-12)
Hayabusa2 reveals more secrets from Ryugu
In February and July of 2019, the Hayabusa2 spacecraft briefly touched down on the surface of near-Earth asteroid Ryugu. (2020-05-11)
Moisture-sucking gels give solar panels the chills
Polymers that absorb water from the atmosphere can make it easier to run photovoltaic devices in hot climates. (2020-05-11)
On the road to non-toxic and stable perovskite solar cells
The promising halide perovskite materials for solar energy conversion show high efficiencies, but this comes at a cost: The best perovskite materials incorporate toxic lead which poses a hazard to the environment. (2020-05-11)
Scientists reveal solar system's oldest molecular fluids could hold the key to early life
Scientists from the Royal Ontario Museum have analysed a meteorite atom by atom to reveal the chemistry and acidity of the earliest fluids in the solar system. (2020-05-11)
More selective elimination of leukemia stem cells and blood stem cells
Hematopoietic stem cells from a healthy donor can help patients suffering from acute leukemia. (2020-05-08)
Hayabusa2's touchdown on Ryugu reveals its surface in stunning detail
High-resolution images and video were taken by the Japanese space agency's Hayabusa2 spacecraft as it briefly landed to collect samples from Ryugu -- a nearby asteroid that orbits mostly between Earth and Mars -- allowing researchers to get an up-close look at its rocky surface, according to a new report. (2020-05-07)
Saving energy and lives: How a solar chimney can boost fire safety
Built as part of the sustainable features of a new Australian building, the specially-designed solar chimney radically boosts safe evacuation time in a fire - from 2 minutes to over 14 minutes. (2020-05-05)
Solar and wind energy sites mapped globally for the first time
Researchers at the University of Southampton have mapped the global locations of major renewable energy sites, providing a valuable resource to help assess their potential environmental impact. (2020-05-04)
Water-splitting module a source of perpetual energy
Rice University researchers have integrated high-efficiency solar cells and electrode catalysts into an efficient, low-cost device that splits water to produce hydrogen fuel. (2020-05-04)
Exoplanets: How we'll search for signs of life
An interdisciplinary team of researchers, led by Arizona State University, has provided a framework called a 'detectability index' to help prioritize exoplanets to study and provide scientists with a tool to select the best targets for observation and maximize the chances of detecting life. (2020-05-04)
Engineers demonstrate next-generation solar cells can take the heat, maintain efficiency
Iowa State engineers have developed a next-generation solar cell that takes advantage of the promising elctro-optical properties of perovskite materials. (2020-05-04)
Groovy photoelectrodes: How a textured surface can dramatically boost their performance
Water molecules can be split to produce hydrogen--a clean fuel--by leveraging solar energy and materials that can convert it into electricity. (2020-04-30)
Sun is less active than similar stars
By cosmic standards the sun is extraordinarily monotonous. This is the result of a study presented by researchers from the Max Planck Institute for Solar System Research in the upcoming issue of Science. (2020-04-30)
A census of star brightness: The sun is less active and variable than similar stars
By analyzing the brightness variations of 369 solar-like stars, researchers have concluded that the sun is less magnetically active and shows less variability in its brightness than similar stars in the galaxy. (2020-04-30)
Unlocking promising properties to create future technologies
At Rensselaer Polytechnic Institute, researchers working at the intersection of materials science, chemical engineering, and physics are uncovering new and innovative ways to unlock those promising and useful abilities using light, temperature, pressure, or magnetic fields. (2020-04-30)
Newly discovered exoplanet dethrones former king of Kepler-88 planetary system
A team of astronomers led by the University of Hawaii Institute for Astronomy has discovered a planet three times the mass of Jupiter in the Kepler-88 system. (2020-04-29)
Engineers make a promising material stable enough for use in solar cells
A Purdue University-led research team has found a way to make halide perovskites stable enough by inhibiting the ion movement that makes them rapidly degrade, unlocking their use for solar panels as well as electronic devices. (2020-04-29)
Fused-ring electron acceptor with 3D exciton and charge transport
Professor Zhan Xiaowei's group from the College of Engineering at Peking University made new progress in non-fullerene acceptors for organic solar cells (OSCs). (2020-04-28)
Environment-friendly compound shows promise for solar cell use
In research published today in Advanced Functional Materials, a team of engineers, material scientists, and physicists demonstrated how a new material -- a lead-free chalcogenide perovskite -- that hadn't previously been considered for use in solar cells could provide a safer and more effective option than others that are commonly considered. (2020-04-24)
Thermal tides cause Venus' atmosphere to rotate far faster than its surface
By tracking the thick clouds of Venus' rapidly rotating atmosphere, researchers have gained new insight into the dynamic forces that drive atmospheric super-rotation - a little-understood phenomenon in which an atmosphere rotates much faster than the solid planetary body below. (2020-04-23)
Atmospheric tidal waves maintain Venus' super-rotation
An international research team led by Takeshi Horinouchi of Hokkaido University has revealed that the 'super-rotation' on Venus is maintained near the equator by atmospheric tidal waves formed from solar heating on the planet's dayside and cooling on its nightside. (2020-04-23)
The future of semiconductors is clear
Mobility is a key parameter for semiconductor performance and relates to how quickly and easily electrons can move inside a substance. (2020-04-22)
Windows will soon generate electricity, following solar cell breakthrough
Semi-transparent solar cells that can be incorporated into window glass are a 'game-changer' that could transform architecture, urban planning and electricity generation, Australian scientists say in a paper in Nano Energy. (2020-04-22)
Scientists have devised method for gentle laser processing of perovskites at nanoscale
Scientists have developed a method for precise, fast and high-quality laser processing of halide perovskites, promising light-emitting materials for solar energy, optical electronics, and metamaterials. (2020-04-22)
ALMA reveals unusual composition of interstellar comet 2I/Borisov
A galactic visitor entered our solar system last year -- interstellar comet 2I/Borisov. (2020-04-20)
Physicists develop approach to increase performance of solar energy
Experimental condensed matter physicists in the Department of Physics at the University of Oklahoma have developed an approach to circumvent a major loss process that currently limits the efficiency of commercial solar cells. (2020-04-20)
New discovery settles long-standing debate about photovoltaic materials
Scientists have theorized that organometallic halide perovskites-- a class of light harvesting 'wonder' materials for applications in solar cells and quantum electronics -- are so promising due to an unseen yet highly controversial mechanism called the Rashba effect. (2020-04-17)
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