sustainability
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How AI data should protect German cities from flooding
German cities control their sewer networks with average values, even though they were built for extreme events. Researchers at the…
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Balcony power plant standards allow 7,000 watts – but only 800 feed-in
A new VDE guideline for plug-in solar devices allows module outputs of up to 7,000 watts for balcony power plants…
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This rotating device gains energy from waves
Researchers have developed a rotating device that can harvest energy from waves. It adjusts itself depending on the waves. Ocean…
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The largest compressed air storage power plant in the world
What is probably the world’s largest compressed air storage power plant has started operations in China. It will use salt…
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German researchers are developing environmentally friendly magnetic cooling
Researchers have developed a new generation of environmentally friendly cooling technologies. By specifically optimizing magnetic cooling materials, they can significantly…
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Researchers are developing compostable circuits – on chocolate
Researchers at the University of Glasgow have developed compostable circuits by printing conductor tracks on chocolate and other biodegradable materials.…
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Microbes turn sewage treatment plants into a source of energy
Wastewater not only contains valuable energy, but also important raw materials. Researchers show how special microorganisms can make these resources…
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New process uses light and liquid metal
Researchers have developed a method to obtain green hydrogen without expensive filters. The process uses liquid metal and sunlight instead…
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Geothermal energy can halve electricity costs – and replace power plants
According to a recent Stanford study, petrothermal geothermal systems combined with wind and solar power could not only cut electricity…
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Pump turbine stores energy in concrete balls on the seabed
The future belongs to renewable energies. But storage still poses a challenge – for example when there is no wind…
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