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Security

AI model edits can leak sensitive data via update 'fingerprints'

Artificial intelligence (AI) systems are now widely used by millions of people worldwide, as tools to source information or tackle specific tasks more rapidly and efficiently. Today, some of the most used are large language ...

Consumer & Gadgets

How eyes affect our perception of a humanoid robot's mind

Eyes are said to be the mirror of the soul. Eyes and gaze direction guide attention, evoke emotions and activate the brain's social perception mechanisms. Researchers at Tampere University and the University of Bremen conducted ...

Electronics & Semiconductors

New chip-fabrication method creates 'twin' fingerprints for direct authentication

Just like each person has unique fingerprints, every CMOS chip has a distinctive "fingerprint" caused by tiny, random manufacturing variations. Engineers can leverage this unforgeable ID for authentication, to safeguard a ...

Consumer & Gadgets

AI chatbots provide less-accurate information to vulnerable users, study shows

Large language models (LLMs) have been championed as tools that could democratize access to information worldwide, offering knowledge in a user-friendly interface regardless of a person's background or location. However, ...

Technology news

Consumer & Gadgets

Most AI bots lack basic safety disclosures, study finds

Many people use AI chatbots to plan meals and write emails, AI-enhanced web browsers to book travel and buy tickets, and workplace AI to generate invoices and performance reports. However, a new study of the "AI agent ecosystem" ...

Energy & Green Tech

Powering AI from space, at scale, with a passive tether design

Penn Engineers have developed a novel design for solar-powered data centers that will orbit Earth and could realistically scale to meet the growing demand for AI computing while reducing the environmental impact of data centers.

Energy & Green Tech

Electric eel biology inspires powerful gel battery

Power sources used in devices found in or around biological tissue must be flexible and nontoxic, while still powerful enough to support demanding technologies such as medical devices or soft robotics. To achieve this balance, ...