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Comprehensive digital materials ecosystem can perform ‘sanity check’ to guide design

There is a near-infinite number of material candidates out there—and simply not enough time to hunker down in the lab and test them all. Thankfully, researchers have a variety of tools (such as AI) at their disposal to streamline what would otherwise be a time-consuming process of trial-and-error.

To create an efficient materials design workflow, a team of researchers at Tohoku University is suggesting not just one tool—but a whole toolbox that works together as a cohesive kit. The work is published in the journal Chemical Science.

This comprehensive system is called a “digital materials ecosystem” because it integrates multiple processes together instead of treating them as disconnected steps. For example, the ecosystem is capable of not only predicting how certain materials will react, but also orchestrating multi-step scientific workflows including searching for evidence, screening candidates, and deciding what to test next.

Inside the light: How invisible electric fields drive device luminescence

Fleeting electron-hole pairs are giving scientists a new window into optimizing light-emitting devices (LEDs). Using quantum magnetic resonance, Osaka Metropolitan University researchers have discovered how shifting internal electric fields dictate whether these devices shine brightly or dimly. Their study is published in the journal Advanced Optical Materials.

Light-emitting electrochemical cells (LECs) are simple, flexible, and low-cost thin-film devices that generate light from an electric current. Unlike conventional organic LEDs, LECs contain just a single active layer—an organic semiconductor blended with mobile ions—sandwiched between two electrodes. This structural simplicity makes them promising tools for next-generation light-emitting technologies.

Inside that apparently simple structure, however, things aren’t so simple after all.

Physicists observe rare nuclear isomer in ytterbium-150 for first time

Nuclear isomers are crucial probes for studying the structure of nuclei. Unlike chemical isomers—which have the same chemical formula but different arrangements of atoms—nuclear isomers are nuclei that exist in a long-lived and relatively stable excited state.

Normally, an atomic nucleus resides in its lowest-energy state, known as the ground state. Under external perturbations, such as nucleus-nucleus collisions, however, a nucleus can be excited to a higher-energy state.

While most excited nuclear states are extremely short-lived and rapidly decay back to the ground state, some nuclei remain “trapped” in an excited state for a remarkably long time. Such isomeric states help reveal the structure of the nucleus due to its high sensitivity to the underlying shell structure as well as to changes in single-particle levels.

Microsoft: Windows 11 users can’t access C: drive on some Samsung PCs

Microsoft is investigating a new issue affecting some Samsung laptops running Windows 11 after installing the February 2026 security updates, in which users lose access to their C:\ drive and are unable to launch applications.

The company says it is working with Samsung to determine whether the problem is related to the Windows updates or Samsung software installed on affected devices.

“Users might encounter the error, ‘C:\ is not accessible – Access denied’, which prevents access to files and blocks the launch of some applications including Outlook, Office apps, web browsers, system utilities and Quick Assist,” explains Microsoft.

FBI seeks victims of Steam games used to spread malware

The FBI is asking gamers who installed Steam titles containing malware to provide information as part of an ongoing investigation into eight malicious games uploaded to the gaming platform.

In a notice published today by the FBI’s Seattle Division, the agency said it is attempting to identify individuals who were affected after installing one of the malicious games on Steam between May 2024 and January 2026.

“The FBI’s Seattle Division is seeking to identify potential victims installing Steam games embedded with malware. The FBI believes the threat actor primarily targeted users between the timeframe of May 2024 and January 2026,” reads the notice.

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