light fields

The US Air Force is weighing its future divestment and replacement strategy for the MQ-9 Reaper drone in light of heavy combat losses of the aircraft. Defense officials say attrition rates will factor into decisions on when and how to retire the remotely piloted fleet and field successor platforms, a debate now drawing attention among defense analysts and aviation watchers.

Researchers report a technique for reshaping light to control magnetic memory and adjust a material's magnetic properties. The advance could point toward faster, more efficient data storage, since it suggests magnetism in certain materials can be manipulated optically rather than only with electric currents or magnetic fields. Details of the method and its practical applications have not been widely reported yet.

The NFL has confirmed that the Dallas Cowboys and Baltimore Ravens game in Rio de Janeiro will go ahead after earlier concerns about the condition of the field. Officials have given the venue the green light, clearing the way for the league's showcase game in Brazil to proceed as scheduled.

Houston Texans linebacker Azeez Al-Shaair removed eye black bearing the name of a slain Palestinian girl during a Week 2 game, according to a report by The Athletic. The gesture, made before or during the game, has drawn attention to how NFL players express views on the Gaza war, with the report prompting discussion about the league's rules on personal messages and political displays on the field.

Reports say a variable aperture camera system planned for the iPhone 18 Pro has passed testing, a feature that would let the lens adjust its aperture for better low-light shots and depth of field control. Coverage notes there is a catch, though details of that drawback remain unspecified in the reports circulating.

Physics World has published a discussion in which experts debate the future of photonics, examining both the challenges and opportunities facing the field. Contributors reportedly assess where light-based technologies are heading and what obstacles researchers and industry must overcome. The piece offers a broad overview of the state of photonics and the directions specialists expect it to take in the coming years.

The SMILE satellite has ended an 18-year gap in observations of the northern lights, and researchers say new views of Earth's x-ray magnetic shield are just weeks away. The mission is expected to provide fresh insight into how the solar wind interacts with Earth's magnetic field, producing auroras. Space science outlets are highlighting the milestone and the images anticipated in the coming weeks.

Researchers describe a technique that uses three-dimensional structured light fields to steer and control electron behavior, a development in the field of physics with potential implications for ultrafast electronics and quantum technologies. The work demonstrates how shaping light in full three dimensions offers finer control over electron motion than conventional approaches.