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48 Current news about the topic electricityrss
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Superconductivity in hydrogen sulfide
Superconducting wires can transport electricity without loss. This would allow for less power production, reducing both costs and greenhouse gasses. Unfortunately, extensive cooling stands in the way, because existing superconductors only lose their resistance at extremely low temperatures. In ...
Shock to bacteria activates nature's electrical grid
The ocean floor and the ground beneath our feet are riddled with tiny nanowires -- 1/100,000th the width of a human hair -- created by billions of bacteria that can generate electric currents from organic waste. In new research published Aug. 17 in the journal Nature Chemical Biology, Yale ...
Rooftop radiative cooling system could provide lighting power when solar energy is unavailable
Researchers have designed an off-grid, low-cost modular energy source that can efficiently produce power at night. The system uses commercially available technology and could eventually help meet the need for nighttime lighting in urban areas or provide lighting in developing countries. Although ...
Powerful electrochemical process destroys water contaminants, such as pesticides
A team of engineers may be one step closer to cleaning up heavily contaminated industrial wastewater streams. Researchers from the School of Chemical and Biomolecular Engineering developed an electrochemical oxidation process with the aim of cleaning up complex wastewater that contained a toxic ...
Novel shadow-effect energy generator uses the contrast in illumination between the lit and shadowed areas
Shadows are often associated with darkness and uncertainty. Now, researchers from the National University of Singapore (NUS) are giving shadows a positive spin by demonstrating a way to harness this common but often overlooked optical effect to generate electricity. This novel concept opens up ...
Scientists have synthesized a new thin film that could make energy production more efficient and cleaner
In this post-industrialization age, electricity has become the backbone of our society. However, using fossil fuels to generate it is not the best option because of their limited availability and harmful nature. In the last two decades, significant efforts have been made to develop techniques to ...
Turn tropical fruits into super-capacitors
Imagine if we could use naturally-grown products, like plants and fruit, to store electricity that charges commonly used electronics like mobile phones, tablets, laptops or even electric cars? Researchers from the University of Sydney have done just that, and have developed a method that uses ...
Power generation from ambient humidity using protein nanowires
Scientists at the University of Massachusetts Amherst have developed a device that uses a natural protein to create electricity from moisture in the air, a new technology they say could have significant implications for the future of renewable energy, climate change and in the future of ...
Researchers from Queen Mary University of London have developed new thermoelectric materials, which could provide a low-cost option for converting heat energy into electricity. Materials known as halide perovskites have been proposed as affordable alternatives to existing thermoelectric ...
A new type of material generates electrical current very efficiently from temperature differences. This allows sensors and small processors to supply themselves with energy wirelessly. Thermoelectric materials can convert heat into electrical energy. This is due to the so-called Seebeck effect: ...