Tech Xplore news

Tech Xplore / AI can evolve to feel guilt—but only in certain social environments

Guilt is a highly advantageous quality for society as a whole. It might not prevent initial wrongdoings, but guilt allows humans to judge their own prior judgments as harmful and prevents them from happening again. The internal ...

Jul 30, 2025 in Computer Sciences
Tech Xplore / Is ancient Roman concrete more sustainable than modern concrete?

Ancient Roman concrete, which was used to build aqueducts, bridges, and buildings across the empire, has endured for over two thousand years.

Jul 30, 2025 in Engineering
Tech Xplore / Wafer-scale 2D InSe semiconductors achieve record performance for next-generation electronics

In an advancement for next-generation electronics, researchers from the International Center for Quantum Materials at Peking University in collaboration with Renmin University of China have successfully fabricated wafer-scale ...

Tech Xplore / Study finds a 15% solar power boost could cut US CO₂ emissions by millions of metric tons annually

Increasing solar power generation in the U.S. by 15% could lead to an annual reduction of 8.54 million metric tons of carbon dioxide (CO2) emissions, according to a new study led by Harvard T.H. Chan School of Public Health. ...

Jul 30, 2025 in Energy & Green Tech
Tech Xplore / New algorithm enables efficient machine learning with symmetric data structures

If you rotate an image of a molecular structure, a human can tell the rotated image is still the same molecule, but a machine-learning model might think it is a new data point. In computer science parlance, the molecule is ...

Jul 30, 2025 in Computer Sciences
Tech Xplore / Hiding secret codes in light can protect against fake videos

Fact-checkers may have a new tool in the fight against misinformation.

Jul 30, 2025 in Security
Tech Xplore / 'Cosmic veil' coating shields next-generation solar cells from space radiation

A new "cosmic veil" developed by engineers at the University of Surrey could help perovskite solar cells survive in space, opening a new gateway to lighter, cheaper and more efficient solar power for satellites and spacecraft.

Jul 30, 2025 in Engineering
Dialog / Deep geothermal energy: How gas bubbles can unlock Earth's hidden energy

Imagine a power plant fueled by heat generated deep beneath your feet, silently providing renewable energy day and night, independent of weather or sunlight. Enhanced geothermal systems (EGS) promise exactly this, tapping ...

Jul 30, 2025 in Engineering
Tech Xplore / To explore AI bias, researchers pose a question: How do you imagine a tree?

To confront bias, scientists say we must examine the ontological frameworks within large language models—and how our perceptions influence outputs.

Jul 29, 2025 in Computer Sciences
Tech Xplore / UV-light method cuts computer chip manufacturing steps in half

University of Missouri researchers have devised a more efficient and precise method for manufacturing computer chips.

Jul 29, 2025 in Engineering
Tech Xplore / Reusing EV batteries for energy storage can offer greater carbon savings than direct recycling

When electric vehicle (EV) batteries reach the end of their service life, they can be recycled to recover valuable raw materials for the production of new batteries. Alternatively, retired EV batteries can be repurposed for ...

Jul 29, 2025 in Energy & Green Tech
Tech Xplore / Robotic arm with soft grippers helps people with disabilities make pizza and more

For the millions of Americans who live with a mobility issue, making a pizza can be a lot more challenging than just choosing between pepperoni or sausage. Now Virginia Tech researchers have developed a robotic arm with novel ...

Jul 29, 2025 in Robotics