sustainability
- Tech
Freiburgers build heat pumps without compressors and refrigerants
A heat pump that works completely without a compressor or refrigerant: That sounds like a dream of the future, but…
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Floating power plant reduces port emissions by 77 percent
Ships in port often run on diesel generators for hours because there is no shore power. A British consortium wants…
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200 carbon blocks store wind energy as heat
Wind turbines often produce the most electricity precisely when no one needs it and are then switched off. A system…
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New solar system desalinates seawater and produces lithium in the process
Around 2.2 billion people worldwide do not have access to safe drinking water. Current desalination plants use a lot of…
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A world without AI? Germany is deeply divided
Three quarters of Germans enjoy AI, but almost as many would prefer to live in a world without it. A…
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Nano memory from Japan is said to significantly extend battery life
Smartphones, AI systems and smart devices are consuming more and more energy – especially for data storage. A team of…
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AI from Karlsruhe makes building renovations 50 times faster
75 percent of the buildings in Germany date from a time before the first thermal insulation regulations. Renovating them is…
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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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