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Physicists explore optical launch of hypersound pulses in halide perovskites

A German-French team of physicists from TU Dortmund University, University of Würzburg, and Le Mans Université has succeeded in launching shear hypersound pulses with exceptionally large amplitudes in metal halide perovskites using pulsed optical excitation.

This discovery is published in the journal Science Advances.

Whereas the material has been of high interest for photovoltaics so far, the new results turn it into a candidate to be used for optically driven devices capable of generating and detecting sound waves at sub-terahertz frequencies, with potential applications across electronic, photonic, magnetic, and biomedical devices.

Stunning Results: Revolutionary Retinal Chip Lets Patients With Severe Vision Loss Read Again

A wireless implant helped patients with severe macular degeneration regain usable vision. The results point toward a new future for vision restoration. A wireless retinal implant has been shown to restore central vision in people with advanced age-related macular degeneration (AMD), according to

If Quantum Computing Is Solving “Impossible” Questions, How Do We Know They’re Right?

A new Swinburne study is addressing a core paradox: if quantum computing is solving problems that cannot be checked by conventional methods, how can we be certain the results are correct? Quantum computing has the potential to tackle problems once thought unsolvable in areas including physics, me

Quantum Breakthrough Unlocks Potential of “Miracle Material” for Future Electronics

Graphene is a remarkable “miracle” material, consisting of a single, atom-thin layer of tightly connected carbon atoms that remains both stable and highly conductive. These qualities make it valuable for many technologies, including flexible screens, sensitive detectors, high-performance batteries, and advanced solar cells.

A new study, carried out by the University of Göttingen in collaboration with teams in Braunschweig and Bremen in Germany, as well as Fribourg in Switzerland, shows that graphene may be even more versatile than previously believed.

For the first time, researchers have directly identified “Floquet effects” in graphene. This finding settles a long-running question: Floquet engineering – an approach that uses precise light pulses to adjust a material’s properties – can also be applied to metallic and semi-metallic quantum materials like graphene. The work appears in Nature Physics.

CISA warns Oracle Identity Manager RCE flaw is being actively exploited

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is warning government agencies to patch an Oracle Identity Manager tracked as CVE-2025–61757 that has been exploited in attacks, potentially as a zero-day.

CVE-2025–61757 is a pre-authentication RCE vulnerability in Oracle Identity Manager, discovered and disclosed by Searchlight Cyber analysts Adam Kues and Shubham Shahflaw.

The flaw stems from an authentication bypass in Oracle Identity Manager’s REST APIs, where a security filter can be tricked into treating protected endpoints as publicly accessible by appending parameters like?WSDL or ;.wadl to URLpaths.

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