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Engineering
Woven nickel-titanium structures unlock new flexibility in 3D-printed shape-memory materials
At first glance, few materials would seem to have less in common than metals and textiles. And yet, by manufacturing nickel-titanium alloys as a highly deformable, interwoven material, more similar to fabric than a typical ...
8 hours ago
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Energy & Green Tech
Organic solar cells degrade quickly, but a solid additive could help them last longer
Solar power continues to grow—accounting for most new capacity added to U.S. electric grids in 2024—but the mid-1950s technology most often used to capture the sun's energy comes with environmental costs.
8 hours ago
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Why 'zero-knowledge encryption' may not stop password theft if servers are hacked
People who regularly use online services have between 100 and 200 passwords. Very few can remember every single one. Password managers are therefore extremely helpful, allowing users to access all their passwords with just ...
9 hours ago
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Miniaturized radar chip developed for next-generation wireless networks
A miniaturized radar chip, developed by researchers at Science Tokyo, advances Integrated Sensing and Communication for Beyond 5G and 6G systems. Measuring just 0.24 mm2 and consuming only 9.8 mW, the compact, low-power device ...
5 hours ago
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AI robot vehicles learn to team up and extinguish fires in early trial
Fighting fires could be done remotely without the need to place firefighting crews directly in potentially dangerous situations by using collaborative teams of artificial intelligence-powered robots with extinguishing equipment ...
10 hours ago
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Computer Sciences
Why AI may overcomplicate answers: Humans and LLMs show 'addition bias,' often choosing extra steps over subtraction
When making decisions and judgments, humans can fall into common "traps," known as cognitive biases. A cognitive bias is essentially the tendency to process information in a specific way or follow a systematic pattern. One ...
Feb 15, 2026
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Consumer & Gadgets
LLMs violate boundaries during mental health dialogues, study finds
Artificial intelligence (AI) agents, particularly those based on large language models (LLMs) like the conversational platform ChatGPT, are now widely used daily by numerous people worldwide. LLMs can generate texts that ...
Feb 15, 2026
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Technology news
Machine learning & AI
New world for users and brands as ads hit AI chatbots
The introduction of advertisements and sponsored content in chatbots has spawned privacy concerns for AI users as brands scramble to stay relevant in a fast-changing online environment.
Feb 15, 2026
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Hardware
Atom-thin ferroelectric transistor can store 3,024 polarization states
Over the past few decades, electronics engineers have been trying to develop new neuromorphic hardware, systems that mirror the organization of neurons in the human brain. These systems could run artificial intelligence (AI) ...
Security
Cybersecurity spending may pay off: Study links readiness to stronger returns
The infamous Target data breach during the 2013 holiday shopping season, which cost the company more than $200 million in damages, has since been hailed as a landmark case in cybersecurity. Exposure to these threats has only ...
Feb 14, 2026
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Consumer & Gadgets
Feeling 'AI anxiety'? Here are the risks people fear most
A patient said to me the other day, half-smiling but clearly unsettled: "I think I've got anxiety about AI." They weren't having a panic attack or describing clinical anxiety. What they were expressing was a persistent sense ...
Feb 14, 2026
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Energy & Green Tech
Organic molecule stores solar energy for years, then releases it as heat on demand
When the sun goes down, solar panels stop working. This is the fundamental hurdle of renewable energy: how to save the sun's power for a rainy day—or a cold night. Chemists at UC Santa Barbara have developed a solution ...
Feb 13, 2026
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Energy & Green Tech
Redesigned electrolyte helps lithium-metal batteries safely reach full charge in 15 minutes
Lithium-metal batteries (LMBs) are rechargeable batteries that contain an anode (i.e., the electrode through which current flows and a loss of electrons occurs) made of lithium metal. Compared to conventional lithium-ion ...
Energy & Green Tech
Lithium alternatives? Calcium-ion batteries show strong 1,000-cycle performance in new test
Researchers at The Hong Kong University of Science and Technology (HKUST) have achieved a breakthrough in calcium-ion battery (CIB) technology, which could transform energy storage solutions in everyday life. Utilizing quasi-solid-state ...
Feb 13, 2026
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Engineering
Rule-breaking discovery reveals new way to strengthen metal in extreme conditions
There's a reason why blacksmiths fire metals before hammering them. Heat always softens metal, making it more malleable and easier to reshape. Or does it? In a surprising new study, Northwestern University engineers discovered ...
Feb 13, 2026
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Machine learning & AI
What is 'AI-induced psychosis'? Study explains how chatbots may sustain delusions
When generative AI systems produce false information, this is often framed as AI "hallucinating at us"—generating errors that we might mistakenly accept as true. But a new study argues we should pay attention to a more ...
Feb 13, 2026
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Hi Tech & Innovation
Midair haptics and levitation may get steadier with predictable ultrasonic airflow
Acoustic streaming generated by airborne ultrasonic phased arrays plays a critical role in the performance of advanced ultrasonic technologies, including midair haptic feedback, odor delivery, and acoustic levitation. Researchers ...
Feb 13, 2026
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