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Consumer & Gadgets
Asking AI to act like an expert can make it less reliable
To get the best out of AI, some users tell it to provide answers as if it were an expert. Others ask it to adopt a persona, such as a safety monitor, to guide its responses. However, this approach can sometimes hurt performance, ...
11 hours ago
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Internet
Thousands of websites are accidentally broadcasting sensitive data, study finds
Researchers have discovered a major security leak hiding in plain sight on the internet that could expose the personal data and financial records of millions of people. In a paper published on the arXiv preprint server, Nurullah ...
15 hours ago
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Dust-resilient perovskite solar cells could cut manufacturing costs and expand green energy worldwide
Research appearing in Communications Materials has shown that perovskite solar cells (PSCs) are remarkably resilient to dust during production, challenging the industry belief that high-performance solar technology must be ...
10 hours ago
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Mach 1.5 tests reveal noise feedback loops from supersonic jets
Researchers from the FAMU-FSU College of Engineering and the Florida Center for Advanced Aero-Propulsion, or FCAAP, are helping to solve a safety challenge in military aviation: the extreme noise generated by supersonic jets ...
12 hours ago
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Turning biomass into graphite could help the US secure a critical mineral supply
Soft, dark-gray graphite is not just useful in pencils: The highly conductive and heat-resistant mineral is uniquely suited for advanced manufacturing. Yet the United States imports nearly half of the graphite it needs to ...
11 hours ago
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Engineering
Plasma and lemon juice: Milder method retrieves nearly 95% of critical minerals in battery waste
Critical minerals such as those used in lithium-ion batteries come in limited supply and are concentrated in specific regions around the world. Securing a reliable supply of these materials is a priority for governments worldwide, ...
10 hours ago
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Hardware
Memristor demonstrates use in fully analog hardware-based neural network
As AI processing demands reach the limits of current CMOS technology, neuromorphic computing—hardware and software that mimic the human brain's structure—can help process information faster and more efficiently. A new ...
12 hours ago
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Technology news
Consumer & Gadgets
When smell meets VR: Scent technology blends up to 8 fragrances for immersive virtual experiences
A multi-channel wearable scent display developed at Institute of Science Tokyo allows a user to experience multiple scents while exploring virtual environments. Based on virtual scenes, the device can blend up to eight fragrances ...
14 hours ago
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Hardware
Graphene receivers bring energy-efficient 6G hardware closer to reality
Thanks to the 5th generation (5G) technology, we now enjoy unprecedented levels of connectivity. Nevertheless, wireless data traffic is facing an increasing demand for an even higher capacity and faster data transfer—a ...
14 hours ago
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Engineering
Harvesting heat and electricity from the sun, when you need it
Solar energy is abundant and frustratingly ill-timed. A sunbeam can become either electricity (useful for running modern life) or heat (useful for keeping spaces warm). But conventional solar hardware is single-minded: Photovoltaic ...
15 hours ago
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Engineering
Why solid-state batteries keep short-circuiting
Batteries that use solid metal as their charge-carrying electrolyte could potentially be a safer and far more energy-dense alternative to lithium-ion batteries. Unfortunately, these solid-state batteries have been plagued ...
16 hours ago
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Security
Hybrid AI tool unmasks hidden digital abuse to transform forensic investigations
Researchers from the University of Huddersfield have developed a hybrid AI tool to detect patterns of psychological abuse, including coercive control, in a bid to transform digital forensic investigations and mental health ...
14 hours ago
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Robotics
A robotic hand without motors? How a sub-second shape-shifting actuator could work
While space structures and robotic arms require lightweight actuation devices capable of repetitive movement, conventional motor-based systems face limitations due to their heavy weight and complex structures. A KAIST research ...
18 hours ago
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Energy & Green Tech
'Spin-flip' in metal complexes opens a path beyond solar cell efficiency limits
In the fight against climate change, solar power is a promising alternative to fossil fuels. Every second, Earth receives an enormous amount of energy from the sun. Yet solar cells capture only a fraction of it, constrained ...
18 hours ago
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Robotics
Wristband enables wearers to control a robotic hand with their own movements
The next time you're scrolling on your phone, take a moment to appreciate the feat: The seemingly mundane act is possible thanks to the coordination of 34 muscles, 27 joints, and over 100 tendons and ligaments in your hand. ...
22 hours ago
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Energy & Green Tech
From stillage to storage: Turning bourbon byproducts into supercapacitors
The state of Kentucky produces 95% of the world's bourbon, and all that bourbon leaves behind an enormous amount of waste grain, called stillage. Now, researchers at the University of Kentucky have developed a process to ...
23 hours ago
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Energy & Green Tech
EVs can generate widespread economic benefits, new study says
Putting more electric cars on the road doesn't just benefit those with enough money to buy the often-pricey vehicles, it also pushes down prices at the gas pump while strengthening U.S. energy security, according to new research ...
17 hours ago
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