Tech Xplore news

Tech Xplore / Chatbots sometimes make things up. Is AI's hallucination problem fixable?

Spend enough time with ChatGPT and other artificial intelligence chatbots and it doesn't take long for them to spout falsehoods.

Aug 1, 2023 in Computer Sciences
Tech Xplore / Cracking in lithium-ion batteries speeds up electric vehicle charging, study finds

Rather than being solely detrimental, cracks in the positive electrode of lithium-ion batteries reduce battery charge time, research done at the University of Michigan shows.

Aug 1, 2023 in Energy & Green Tech
Tech Xplore / Engineers create an energy-storing supercapacitor from ancient materials

Two of humanity's most ubiquitous historical materials, cement and carbon black (which resembles very fine charcoal), may form the basis for a novel, low-cost energy storage system, according to a new study. The technology ...

Jul 31, 2023 in Engineering
Tech Xplore / A CMOS-compatible spintronic compute-in-memory macro to secure AI edge devices

Edge computing applications, which entail the processing and storage of data at the source of its production (i.e., near where it is created), is now being applied to a growing number of technologies. The application of edge ...

Jul 31, 2023 in Security
Tech Xplore / 3D display could soon bring touch to the digital world

Imagine an iPad that's more than just an iPad—with a surface that can morph and deform, allowing you to draw 3D designs, create haiku that jump out from the screen and even hold your partner's hand from an ocean away.

Jul 31, 2023 in Engineering
Tech Xplore / Using AI to protect against AI image manipulation

As we enter a new era where technologies powered by artificial intelligence can craft and manipulate images with a precision that blurs the line between reality and fabrication, the specter of misuse looms large.

Jul 31, 2023 in Security
Tech Xplore / GPT-3 can reason about as well as a college student, psychologists report

People solve new problems readily without any special training or practice by comparing them to familiar problems and extending the solution to the new problem. That process, known as analogical reasoning, has long been thought ...

Jul 31, 2023 in Computer Sciences
Tech Xplore / Rethinking algorithmic decision-making based on 'fairness'

Algorithms underpin large and small decisions on a massive scale every day: who gets screened for diseases like diabetes, who receives a kidney transplant, how police resources are allocated, who sees ads for housing or employment, ...

Jul 31, 2023 in Computer Sciences
Tech Xplore / Pressure-driven distillation for fast and selective water purification

Membrane technologies can provide efficient purification of unclear water sources to address a growing water shortage. However, when engineers develop state-of-the-art membranes, they are constrained by a lack of selectivity ...

Jul 28, 2023 in Engineering
Tech Xplore / A life-cycle assessment of the production of hydrogen from natural subsurface accumulations

Adam Brandt, an energy science and environmental engineer at Stanford University, has conducted a life-cycle assessment of hydrogen production from natural subsurface accumulations, also known as geological hydrogen extraction, ...

Jul 28, 2023 in Energy & Green Tech
Tech Xplore / 3D printed robotic gripper doesn't need electronics to function

A new soft robotic gripper is not only 3D printed in one print, it also doesn't need any electronics to work. The device was developed by a team of roboticists at the University of California San Diego, in collaboration with ...

Jul 28, 2023 in Robotics
Tech Xplore / New smartphone vulnerability could allow hackers to track user location

A newly discovered vulnerability in text messaging may enable attackers to trace your location, according to Northeastern Ph.D. student Evangelos Bitsikas.

Jul 28, 2023 in Consumer & Gadgets