Tech Xplore news

How do you know if a chatbot is giving the correct answer? This is an important question for companies that use large language models to communicate with their customers. The Dutch company AFAS was using chatbots to generate ...

Shape memory alloys are exotic materials that can be deformed at room temperature and return to their "remembered," pre-deformed shape when heated. They are used in a broad range of applications, such as heart stents, dental ...

How quickly we reply, how active we really are in chats—many people misjudge their own behavior. Researchers at Bielefeld University have, for the first time, used anonymized WhatsApp metadata to make such misperceptions ...

X-ray tomography is a powerful tool that enables scientists and engineers to peer inside of objects in 3D, including computer chips and advanced battery materials, without performing anything invasive. It's the same basic ...

Artificial intelligence (AI) is increasingly used to analyze medical images, materials data and scientific measurements, but many systems struggle when real-world data do not match ideal conditions. Measurements collected ...

The sheen of satin, the subtle glints of twill, the translucence of sheer silk: Fabric has long been difficult to render digitally because of the myriad ways different yarns can be woven or knitted together.

Organic light-emitting diodes (OLEDs) are widely used in smartphones and TVs thanks to their excellent color reproduction and thin, flexible planar structure. However, internal light loss has limited further improvements ...

When engineers want to make a metal stronger, one of the most reliable strategies is to use smaller grains—the microscopic crystal regions within the material. But when deformed at extreme speeds, this rule flips and metals ...

Structural health monitoring (SHM) and condition monitoring are crucial processes that ensure reliability and safety of engineering systems in a variety of fields, including aerospace, civil engineering, and industry. These ...

Apple will rely on Google to help finish its efforts to smarten up its virtual assistant Siri and bring other artificial intelligence features to the iPhone as the trendsetting company plays catch up in technology's latest ...

Think, know, understand, remember. These are just a few of the mental verbs we use every day to describe what happens in a person's mind. But when using these same words to talk about artificial intelligence, we can unintentionally ...

Alma Figueroa began to worry when she learned that her gas provider wanted to test a controversial solution to curb global warming: blend hydrogen with natural gas to power her stove and other appliances. Figueroa, who has ...