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Optical writing of antiferromagnets points toward new storage devices and energy efficient

A German-Japanese research team involving the University of Augsburg has made a significant breakthrough in the use of antiferromagnets. For the first time, the team has succeeded in writing magnetic information using only ultrashort laser pulses—without the need for electric cur

Admin Recifes 15/07/2026 0

From ‘heat panic’ to ‘sacrificed at the altar’: Europe’s air conditioning culture wars hea

Cooling down has become political amid record highs, as experts say row is distracting from work of protecting livesAs the afternoon heat rose to a dizzying 41.7C (107F) in eastern Brandenburg on Sunday, taking German temperatures to unprecedented highs, Mario, 65, took precautio

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Controlling magnetic chirality could help memory pack in more data

Magnetic storage devices, like a computer's hard disk drive, utilize magnets to represent binary data. However, as these devices are downsized, stray magnetic fields generated by individual magnetic components can interact with neighboring elements to cause operational malfunctio

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Mini monitor measures artificial heartbeat

An international team, including the University of Tokyo, has created a sensor inspired by the lateral line in fish—their "sixth sense" organ—which measures the pulse of lab-grown 3D heart tissue (cardiac organoids). The device, called a biomechanical well plate, looks like a sma

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Atomic 'domino effect' found to drive phase changes in a two-dimensional crystal

Phase transformations—in which a material changes from one crystal structure to another, thereby acquiring dramatically different properties—are ubiquitous in nature. Understanding the microscopic mechanisms of these transformations is essential for controlling material propertie

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Magnetic octupole model captures domain-wall motion in noncollinear antiferromagnets

Researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have developed the first magnetic multipole-based micromagnetic model for antiferromagnets. Published in Applied Physics Reviews, their generalized framework provides a theoretical

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Saturn-ring-like laser emission from chiral polymeric microspheres

Controlling light within microscopic spaces is crucial for next-generation optical devices such as photonic integrated circuits and localized sensors. Microspheres formed of luminescent π-conjugated polymers act as optical resonators that confine and amplify light via whispering

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Incredible new material makes heat programmable

A newly developed material can control and "program" heat, allowing it to direct thermal radiation, switch modes, and remember its settings without continuous power. The innovation could lead to smarter infrared sensors, better energy technologies, and memory devices that use lig

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Harvard scientists turn a silicon chip into a DNA writing machine

Scientists have created a silicon chip that can write dozens of DNA sequences simultaneously using electricity and water-based enzymes, offering a cleaner alternative to conventional DNA manufacturing. The breakthrough could eventually support portable DNA-writing devices and eve

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A new route to electrically controlled helimagnetic structures

Advanced magnetic memory and spintronic devices rely on the ability to control magnetic states using electricity. Today, such technologies work by manipulating relatively simple magnetic structures found in ferromagnets, where all the magnetic moments point the same way. However,

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Transparent nanosheets could shrink phone cameras while preserving high-resolution color i

Researchers at Nagoya University in Japan have developed gallium-doped zinc oxide (GZO) nanosheets that may enhance camera resolution in compact devices, including smartphones and medical endoscopes.

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Q&A: Examining the Global South's call for environmental justice amid expanding technology

Digital technologies—from artificial intelligence to smartphones and data centers—are often described as "clean" innovations. Yet every device depends on minerals, electricity, labor and global supply chains, raising important questions about environmental justice and development

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