Mess is best: Disordered structure of battery-like devices improves performance
The energy density of supercapacitors—battery-like devices that can charge in seconds or a few minutes—can be improved by increasing the 'messiness' of their internal structure.
19 hours ago
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For more open and equitable public discussions on social media, try 'meronymity'
Have you ever felt reluctant to share ideas during a meeting because you feared judgment from senior colleagues? You're not alone. Research has shown this pervasive issue can lead to a lack of diversity in public discourse, ...
19 hours ago
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Floating solar's potential to support sustainable development
A study, published in Nature Energy, is among the first to explore the floating photovoltaics (FPV) at the continental scale, finding that FPV installed at existing major reservoirs could produce 20–100% of the electricity ...
21 hours ago
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An ink for 3D-printing flexible devices without mechanical joints
EPFL researchers are targeting the next generation of soft actuators and robots with an elastomer-based ink for 3D printing objects with locally changing mechanical properties, eliminating the need for cumbersome mechanical ...
20 hours ago
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Harvesting vibrational energy from 'colored noise'
The energy demands of today's ubiquitous small electronic devices—including sensors, data transmitters, medical implants and 'wearable' consumer products such as Fitbits—can no longer be met by chemical batteries alone. ...
22 hours ago
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New understanding of energy losses in emerging light source
The light-emitting electrochemical cell (LEC) can be fabricated in a sustainable and cost-effective way on both rigid and flexible surfaces making it suitable for a broad range of applications, like illumination, health care, ...
22 hours ago
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Octopus inspires new suction mechanism for robots
A new robotic suction cup that can grasp rough, curved and heavy stone, has been developed by scientists at the University of Bristol. The team, based at Bristol Robotics Laboratory, studied the structures of octopus biological ...
23 hours ago
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Universal 'cocktail electrolyte' developed for 4.6 V ultra-stable fast charging of commercial lithium-ion batteries
Lithium-ion batteries (LIBs), mainly used as the power of computer, communication and consumer electronic products, require higher energy density, longer cycling life, faster-charging capability, and a broader operating temperature ...
17 hours ago
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Meta's newest AI model beats some peers. But its amped-up AI agents are confusing Facebook users
Facebook parent Meta Platforms unveiled a new set of artificial intelligence systems Thursday that are powering what CEO Mark Zuckerberg calls "the most intelligent AI assistant that you can freely use."
20 hours ago
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Proof-of-concept nanogenerator turns CO₂ into sustainable power
University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.
Apr 18, 2024
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