Engineering

Solar-powered gel pulls drinking water from the air

Scientists in recent years have sought to efficiently draw moisture from ambient air and condense it into potable water using materials made of salt and absorbent polymers. But these materials, known as hydrogels, until now ...

Engineering

Cooling without pumps: New measurement data for modular reactors

Passive cooling systems for nuclear power plants operate without pumps or electricity: They rely solely on physical effects such as density differences to dissipate heat. Researchers at the Paul Scherrer Institute PSI have ...

Energy & Green Tech

Copper cold plates could slash data-center energy usage

Mechanical engineers have designed a more effective and energy-efficient technology for cooling computer chips. Published in Cell Reports Physical Science, the researchers used a mathematical algorithm and advanced 3D printing ...

Business

Planning for hydrogen under geopolitical uncertainty

Many hydrogen strategies for energy-intensive industries do not adequately address geopolitical risks. Instead, they often assume stable trading relationships and reliable alliances—assumptions which are increasingly questionable ...

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