Tech Xplore news

Tech Xplore / Perfect alignment between AI and human values is mathematically impossible, study says

Perfect AI alignment with human values and interests is mathematically impossible, according to a study, but behavioral diversity among AI agents offers the promise of some control. Published in PNAS Nexus, Hector Zenil and ...

Apr 14, 2026
Tech Xplore / AI fixes 'temporal errors,' enhancing reliability in medical and legal fields

What if ChatGPT answered with the name of a minister from a year ago when asked, "Who was the minister inaugurated last month?" This is a prime example of the limitations of AI that fails to properly reflect the latest information. ...

Apr 14, 2026
Tech Xplore / Clean concrete: How shrimp waste can transform sustainable construction

Cement production is responsible for around 8% of global carbon dioxide emissions, primarily due to the production of Portland cement. In response to this environmental challenge, geopolymers—materials obtained through the ...

Apr 14, 2026
Tech Xplore / Phase-changing VO₂ turns methane into propane and hydrogen more efficiently

Converting methane, the primary component of natural gas, into higher alkanes and hydrogen, could be highly advantageous. Alkanes, such as propane and butane, are easier to transport than methane and are used in a wider range ...

Apr 13, 2026
Tech Xplore / Revealing the hidden logic behind AI's judgments of people

In a world where artificial intelligence is quietly shaping who gets hired, who receives loans, and even how medical decisions are made, a new question is emerging: How does AI judge us? A new study by Prof. Yaniv Dover and ...

Apr 13, 2026
Tech Xplore / Kale, cabbage, and broccoli could turn toxic soil into a new source of critical thallium metal

University of Queensland geochemist Dr. Amelia Corzo-Remigio said powerful X-rays confirmed crops in the Brassicaceae family had strong "phytomining" potential because of the mechanisms they evolved to extract traces of the ...

Apr 13, 2026
Tech Xplore / Mechanical computers use springs and bolts to count, sort odd-even pushes and remember force

Published in Nature Communications, researchers from St. Olaf College and Syracuse University built a computer made entirely of mechanical components that can perform simple computations without electricity or batteries.

Apr 13, 2026
Tech Xplore / AI model simulates smartphone muscle effort, revealing which swipes are most tiring

Prolonged scrolling is bad for your well-being, but is it also physically tiring? Until now, we haven't really been able to say. This is why researchers from Aalto and Leipzig Universities created a new AI model that makes ...

Apr 13, 2026
Tech Xplore / This robot sees danger, decides its route and powers over obstacles while carrying loads

A KAIST research team has developed quadrupedal robot technology that not only enables walking by estimating terrain without visual information, but also allows the robot to perceive its surroundings through cameras and LiDAR ...

Apr 13, 2026
Tech Xplore / HarmonyGNN boosts graph AI accuracy on four tough benchmarks by up to 9.6%

Researchers have demonstrated a new training technique that significantly improves the accuracy of graph neural networks (GNNs)—AI systems used in applications from drug discovery to weather forecasting. GNNs are AI systems ...

Apr 13, 2026
Tech Xplore / Humanoid robots show off their language and boxing skills in Hong Kong

A humanoid robot about the size of a primary school student had something to share in Hong Kong—it sang songs and spoke to people in Mandarin and English, answering whatever questions they posed and delighting the audience ...

Apr 13, 2026
Tech Xplore / Quantum computers are coming to break our codes faster than anyone expected

Online data is generally pretty secure. Assuming everyone is careful with passwords and other protections, you can think of it as being locked in a vault so strong that even all the world's supercomputers, working together ...

Apr 13, 2026