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Energy & Green Tech
A step toward harnessing clean energy from falling rainwater
When two materials come into contact, charged entities on their surfaces get a little nudge. This is how rubbing a balloon on the skin creates static electricity. Likewise, water flowing over some surfaces can gain or lose ...
16 minutes ago
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Energy & Green Tech
Mimosa seed bio-piezoelectric device functions as self-charging supercapacitor with high efficiency
Most energy generators currently employed within the electronics industry are based on inorganic piezoelectric materials that are not bio-compatible and contribute to the pollution of the environment on Earth. In recent years, ...
1 hour ago
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Programmable photonic chip uses light to accelerate AI training and cut energy use
Penn Engineers have developed the first programmable chip that can train nonlinear neural networks using light—a breakthrough that could dramatically speed up AI training, reduce energy use and even pave the way for fully ...
15 hours ago
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Lithium oxide sublimation opens doors for cheaper and quicker battery manufacturing
A common lithium salt has revealed new possibilities for manufacturing cheaper, longer-lasting battery materials.
17 hours ago
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Making desalination more eco-friendly: New membranes could help eliminate brine waste
Desalination plants, a major and growing source of freshwater in dry regions, could produce less harmful waste using electricity and new membranes made at the University of Michigan.
17 hours ago
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Energy & Green Tech
Self-healing lithium battery stretches, survives punctures and cuts
A multidisciplinary team at the University of California, Berkeley, the Georgia Institute of Technology and the Hong Kong University of Science and Technology has developed a stretchable, self-healing lithium battery that ...
18 hours ago
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Engineering
Concrete in road tunnels decomposes unexpectedly fast
When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high costs and the risk of damage if stone and concrete drop from the tunnel roof. In a new study, led ...
22 hours ago
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Engineering
Ambisonics algorithm helps create rich virtual soundscapes using a domed array of loudspeakers
Surround-sound speakers can immerse you in a multimedia experience, but what if there was a speaker that could completely re-create a three-dimensional soundscape?
21 hours ago
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Engineering
Smoothing over rough edges in batteries: Discovery could improve device durability
Texas engineers have discovered a new phenomenon in modern batteries, one that could be used to improve their life cycles.
19 hours ago
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Computer Sciences
Training LLMs to self-detoxify their language
As we mature from childhood, our vocabulary—as well as the ways we use it—grows, and our experiences become richer, allowing us to think, reason, and interact with others with specificity and intention. Accordingly, our ...
23 hours ago
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Robotics
Autonomous drone defeats human champions in historic racing first
For the first time, a drone has beaten human pilots in an international drone racing competition, marking a new milestone in the development of artificial intelligence. On Saturday April 14, 2025, two drone racing events ...
15 hours ago
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Consumer & Gadgets
Social networks are vulnerable to relatively simple AI manipulation and polarization
It seems that no matter the topic of conversation, online opinion around it will be split into two seemingly irreconcilable camps.
17 hours ago
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Energy & Green Tech
Dust forecast system helps renewable energy industry manage solar losses
Scientists from the Chinese Academy of Sciences have developed a new forecasting tool called iDust that improves predictions of dust storms, offering significant benefits for solar energy production. The system addresses ...
19 hours ago
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Business
Flaws found in tools used to enforce online ad standards
A new study finds about 10% of websites that claim to comply with online advertising standards are running ads that violate those standards. The finding tells researchers that the ad-filtering rules browser extensions use ...
21 hours ago
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Security
Machine learning method cuts fraud detection costs by generating accurate labels from imbalanced datasets
Fraud is widespread in the United States and increasingly driven by technology. For example, 93% of credit card fraud now involves remote account access, not physical theft. In 2023, fraud losses surpassed $10 billion for ...
22 hours ago
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Energy & Green Tech
Corn leads to improved performance in lithium-sulfur batteries
Researchers at Washington State University have demonstrated a way to use corn protein to improve the performance of lithium-sulfur batteries, a finding that holds promise for expanding the use of high-energy, lighter-weight ...
22 hours ago
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Computer Sciences
New model can generate audio and music tracks from diverse data inputs
In recent years, computer scientists have created various highly performing machine learning tools to generate texts, images, videos, songs and other content. Most of these computational models are designed to create content ...
