Tech Xplore

Science X™ is a prominent online platform providing news on science, research, and technology, covering a wide variety of subjects. These subjects include physics, earth science, medicine, nanotechnology, electronics, space, biology, chemistry, computer science, engineering, mathematics, and other areas of science and technology. Since its inception in 2004 (originally Physorg.com), Science X has seen its audience grow to about 5 million scientists, researchers, and engineers each month. The platform publishes around 200 high-quality articles daily, ensuring extensive coverage of global sci-tech advancements. Members of the Science X community benefit from numerous personalized features, including social networking, customizable home pages, options to comment on and rank articles, the ability to save favorite content, a daily newsletter, and more.

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Warning lights flash at Nissan after monster profit warning

8 hours ago | techxplore.com | Tomohiro Osaki |Julien Girault

The road ahead looks treacherous for Nissan after the Japanese auto giant predicted an enormous loss just as US President Donald Trump's tariffs on car imports hit the industry. Nissan on Thursday warned it expected to have posted a loss of 700-750 billion yen ($4.9-$5.3 billion) in the business year that ended in March, blaming asset write-downs and restructuring costs.
Microsoft introduces an AI model that runs on regular CPUs

2 days ago | techxplore.com | Bob Yirka

A group of computer scientists at Microsoft Research, working with a colleague from the University of Chinese Academy of Sciences, has introduced Microsoft's new AI model that runs on a regular CPU instead of a GPU. The researchers have posted a paper on the arXiv preprint server outlining how the new model was built, its characteristics and how well it has done thus far during testing. Over the past several years, LLMs have become all the rage.
New quantum-based navigation system 50 times more accurate than traditional GPS

3 days ago | techxplore.com | Bob Yirka

A team of researchers at Q-CTRL, a quantum infrastructure software-maker based in Sydney, Australia, has announced the successful demonstration of its newly developed quantum navigation system called "Ironstone Opal." The group has written a paper describing how their system works and how well it tested against currently available backup GPS systems and has posted it on the arXiv preprint server.
What a judge's ruling over Google's 'monopoly' on ad-tech means

5 days ago | techxplore.com | Queenie Wong

In another major legal blow to Google, a federal judge has ruled that the search giant held an illegal monopoly over some advertising technology, a ruling that could reshape the online advertising business. Judge Leonie Brinkema of the U.S. District Court for the Eastern District of Virginia said in a decision that Google illegally maintained and acquired a monopoly in two markets for advertising technology—publisher ad servers and the market for ad exchanges.
Novel technique overcomes spurious correlations problem in AI

6 days ago | techxplore.com | Matt Shipman

AI models often rely on "spurious correlations," making decisions based on unimportant and potentially misleading information. Researchers have now discovered these learned spurious correlations can be traced to a very small subset of the training data and have demonstrated a technique that overcomes the problem. The work has been published on the arXiv preprint server.
Making AI-generated code more accurate in any language

6 days ago | techxplore.com | Adam Zewe

Programmers can now use large language models (LLMs) to generate computer code more quickly. However, this only makes programmers' lives easier if that code follows the rules of the programming language and doesn't cause a computer to crash. Some methods exist for ensuring LLMs conform to the rules of whatever language they are generating text in, but many of these methods either distort the model's intended meaning or are too time-consuming to be feasible for complex tasks.
Ink engineering approach boosts efficiency and cuts cost of quantum dot-based photovoltaics

6 days ago | techxplore.com | Ingrid Fadelli

Colloidal quantum dots (CQDs) are tiny semiconductor particles that are just a few nanometers in size, which are synthesized in a liquid solution (i.e., colloid). These single-crystal particles, created by breaking down bulk materials via chemical and physical processes, have proved to be promising for the development of photovoltaic (PV) technologies. Quantum dot-based PVs could have various advantages, including a tunable bandgap, greater flexibility and solution processing.
Giving quadcopter drones the ability to carry out precise flight maneuvers autonomously

1 week ago | techxplore.com | Bob Yirka

A team of cyber-systems researchers, engineers, optical specialists and roboticists at Zhejiang University, in China, has developed a navigation system for quadcopter drones that gives them the ability to carry out precise flight maneuvers autonomously. As reported in the journal Science Robotics, the group developed a multi-pronged system that allows quadcopter drones to carry out complex aerobatic maneuvers autonomously, in a safe manner, both indoors and outdoors.
Finger-shaped tactile sensor advances robotic touch with multi-directional force detection and material identification

1 week ago | techxplore.com | Ingrid Fadelli

The development of increasingly sophisticated sensors can facilitate the advancement of various technologies, including robots, security systems, virtual reality (VR) equipment and sophisticated prosthetics. Multimodal tactile sensors, which can pick up different types of touch-related information (e.g., pressure, texture and type of material), are among the most promising for applications that can benefit from the artificial replication of the human sense of touch.
New data-driven method eliminates redundant computations, can streamline processes like scheduling trains

1 week ago | techxplore.com | Adam Zewe

When some commuter trains arrive at the end of the line, they must travel to a switching platform to be turned around so they can depart the station later, often from a different platform than the one at which they arrived. Engineers use software programs called algorithmic solvers to plan these movements, but at a station with thousands of weekly arrivals and departures, the problem becomes too complex for a traditional solver to unravel all at once.