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20 Current news about the topic energy

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COVID-19 impacts on the Earth System

COVID-19 crisis affects the entire Earth System in unprecedented ways and reveals systemic risks in our highly interconnected world

31-Jul-2020

COVID-19 immediately affects the health, economy and social well-being in our personal lives. Yet, the consequences on the entire Earth System, in particular the ones emerging from the widespread sheltering and lock-down measures, may be much more far-fetching and long-lasting. This has been ...

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Energy Flow in the Nano Range

Two new spectroscopic methods

23-Oct-2019

It is crucial for photovoltaics and other technical applications, how efficiently energy spreads in a small volume. With new methods, the path of energy in the nanometer range can now be followed precisely. Plants and bacteria lead the way: They can capture the energy of sunlight with ...

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Extracting clean fuel from sunlight

04-Sep-2019

Securing enough energy to meet human needs is one of the greatest challenges society has ever faced. Previously reliable sources--oil, gas and coal--are degrading air quality, devastating land and ocean and altering the fragile balance of the global climate, through the release of CO2 and other ...

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Bionic catalysts to produce clean energy

04-Jul-2019

Mixing microbes with carbon nanomaterials could help the transition to renewable energy. KAUST research shows microbes and nanomaterials can be used together to form a biohybrid material that performs well as an electrocatalyst. The material could be used in the solar-powered production of ...

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Electrochemical extraction of energy from seawater

Power generator autonomously switches between two functional modes

15-May-2019

Underwater vehicles, diving robots, and detectors require their own energy supply to operate for long periods independent of ships. A new, inexpensive system for the direct electrochemical extraction of energy from seawater offers the advantage of also being able to handle short spikes in power ...

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Transforming waste heat into clean energy

Researchers use supercomputers to explore new materials for thermoelectric generation

03-May-2019

Do you feel the warmth coming off your computer or cell phone? That's wasted energy radiating from the device. With automobiles, it is estimated that 60% of fuel efficiency is lost due to waste heat. Is it possible to capture this energy and convert it into electricity? Researchers working in the ...

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Improving the lifetime of bioelectrodes for solar energy conversion

29-Apr-2019

The key to a long life for bioelectrodes lies in an oxygen-free environment. The use of proteins involved in the photosynthetic process enables the development of affordable and efficient devices for energy conversion. However, although proteins such as photosystem I are robust in nature, the use ...

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Bacteria could become a future source of electricity

28-Mar-2019

In recent years, researchers have tried to capture the electrical current that bacteria generate through their own metabolism. So far, however, the transfer of the current from the bacteria to a receiving electrode has not been efficient at all. Now, researchers from institutions including Lund ...

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Start Up Energy Transition Award 2019: Finalists nominated

15 start-ups from 11 countries will present their business models for climate protection at the SET Tech Festival

20-Mar-2019

15 start-ups from Europe, Australia, China, Thailand, Uganda and the USA have made it to the final of the Start Up Energy Transition (SET) Award 2019. Whether it be autonomous electric trucks, organic solar cells or energy data management with blockchain technology: the finalists offer ...

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Causes for defects in 3D printing

Paving way for better results

26-Feb-2019

Additive manufacturing's promise to revolutionize industry is constrained by a widespread problem: tiny gas pockets in the final product, which can lead to cracks and other failures. New research led by teams from Carnegie Mellon University and the U.S. Department of Energy's (DOE) Argonne ...

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