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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 ...

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 ...

Engineering

'Dynamic plastic delocalization' can slow metal alloy cracking, engineers find

Metal alloys crack and fail through a mechanism called "fatigue" when repeatedly loaded and strained. While it is well known how to design alloys to withstand static loads and pressures, it is very difficult to design resistance ...

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 ...

Technology news

Computer Sciences

From flattery to debate: Training AI to mirror human reasoning

Generative artificial intelligence systems often work in agreement, complimenting the user in its response. But human interactions aren't typically built on flattery. To help strengthen these conversations, researchers in ...

Hi Tech & Innovation

How much can an autonomous robotic arm feel like part of the body?

When AI-powered prosthetic arms that move autonomously become widespread, understanding how people feel about them and accept them will be crucial. In a study appearing in Scientific Reports, scientists used virtual reality ...

Consumer & Gadgets

What chatbots can teach humans about empathy

Over half of U.S. adults are using large language models (LLMs)—such as ChatGPT, Gemini and Copilot—in some capacity. Whether using artificial intelligence to create grocery lists, turn oneself into a Muppets character ...

Robotics

Robots use radio signals and AI to see around corners

Penn Engineers have developed a system that lets robots see around corners using radio waves processed by AI, a capability that could improve the safety and performance of driverless cars as well as robots operating in cluttered ...

Engineering

Building batteries that don't break in the cold

Extreme winter weather can strain power systems, stall electric vehicles and leave backup batteries unable to deliver energy when it is most needed. Researchers at Texas A&M University have now developed a battery design ...

Energy & Green Tech

Q&A: Could light-powered computers reduce AI's energy use?

A key problem facing artificial intelligence (AI) development is the vast amount of energy the technology requires, with some experts projecting AI datacenters to be responsible for over 13% of global electricity usage by ...

Electronics & Semiconductors

AI learns to perform analog layout design

Researchers at Pohang University of Science and Technology (POSTECH) have developed an artificial intelligence approach that addresses a key bottleneck in analog semiconductor layout design, a process that has traditionally ...

Security

Anthropic's 'anonymous' interviews cracked with an LLM

In December, the artificial intelligence company Anthropic unveiled its newest tool, Interviewer, used in its initial implementation "to help understand people's perspectives on AI," according to a press release. As part ...

Business

Scaling-up global solar panel manufacturing sustainably

As solar energy rapidly expands to meet urgent climate targets and increasing demand for electricity, the key challenge is to ensure that this transition is not just scalable but sustainable. Pioneering research led by Northumbria ...

Internet

OpenAI starts testing ads in ChatGPT

OpenAI has begun placing ads in the basic versions of its ChatGPT chatbot, a bet that users will not mind the interruptions as the company seeks revenue as its costs soar.