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Electronics & Semiconductors

New ultrathin optical device can precisely capture and stimulate the mammalian brain

Reliably tracking and manipulating the mammalian nervous system in laboratory or clinical settings allows neuroscientists to test their hypotheses, which may in turn lead to new important discoveries. The most well-established ...

Energy & Green Tech

Researchers propose hydrogen storage using existing infrastructure in lakes and reservoirs

In a new Nature Communications study, researchers propose a new method for hydrogen storage using existing pipes located at the bottom of lakes and reservoirs.

Energy & Green Tech

Scientists restore performance of quantum dot solar cells using short ligands to reduce surface defects

Researchers have developed a new method to improve both the performance and the stability of solar cells using "perovskite quantum dots." They developed longer-lasting solar cells by addressing the issue of distortions on ...

Engineering

New management system can reduce traffic congestion at no extra cost

Rush-hour traffic congestion is a major headache for commuters and a real problem for city planners. Worldwide, a huge amount of time is wasted stuck in traffic. A study found that commuters in the U.S. lose an average of ...

Business

Green subsidies may have hidden costs, experts warn

Government subsidies for business practices and processes should be approached with caution, even when they seem to be environmentally friendly, writes a group of scientists and economists in this week's Policy Forum in the ...

Automotive

Balancing cost and reliability in autonomous machine design

With millions of self-driving cars projected to be on the road in 2025 and autonomous drones generating billions in annual sales, safety and reliability are important considerations for consumers, manufacturers, and regulators. ...

Business

Google is working on reasoning AI, chasing OpenAI's efforts

Google is working on artificial intelligence software that resembles the human ability to reason, similar to OpenAI's o1, marking a new front in the rivalry between the tech giant and the fast-growing startup.

Consumer & Gadgets

This is what happens when your phone is spying on you

Smartphone spyware apps that allow people to spy on each other are not only hard to notice and detect, they also will easily leak the sensitive personal information they collect, says a team of computer scientists from New ...

Computer Sciences

Python-based compiler achieves orders-of-magnitude speedups

In 2018, The Economist published an in-depth piece on the programming language Python. "In the past 12 months," the article said, "Google users in America have searched for Python more often than for Kim Kardashian." Reality ...

Computer Sciences

A new method to boost the speed of online databases

Hashing is a core operation in most online databases, like a library catalog or an e-commerce website. A hash function generates codes that replace data inputs. Since these codes are shorter than the actual data, and usually ...

Robotics

New 'traffic cop' algorithm helps a drone swarm stay on task

How fresh are your data? For drones searching a disaster zone or robots inspecting a building, working with the freshest data is key to locating a survivor or reporting a potential hazard. But when multiple robots simultaneously ...

Security

'Indirect prompt injection' attacks could upend chatbots

ChatGPT's explosive growth has been breathtaking. Barely two months after its introduction last fall, 100 million users had tapped into the AI chatbot's ability to engage in playful banter, argue politics, generate compelling ...