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Category: energy – Page 31

China’s latest weapon, unveiled during an air show in Zhuhai, could be a game-changer during possible future conflicts with rival powers.

China is making advancements in its multiple military-related technologies that will give it an edge over its adversaries during a possible conflict in the future. During a recent giant air show in Zhuhai, Beijing unveiled multiple game-changer military technologies, including a mobile air defense weapons system.

Called FK-4000, the mobile air defense weapons system is reportedly capable of intercepting the smallest, lightest drones using its high-power microwaves (HPM).

Debuted by China Aerospace Science and Technology Corporation, the weapon can deliver microwave blasts in less than a second from a distance of almost 2 miles.

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Minnesota researchers boost semiconductor transparency and speed for high-power devices.

A team of researchers at the University of Minnesota has developed a next-generation transparent and efficient semiconductor material. This breakthrough could have enormous ramifications for improving the efficiency of high-power electronics, especially those that need transparency, like lasers.

The material is entirely manmade, allowing electrons to travel faster while remaining transparent to visible and ultraviolet light.

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Scientists have revolutionized the field of quantum photonics by employing high-performance computing to analyze quantum detectors at an unprecedented scale.

Their innovative approach involves the tomographic reconstruction of experimental data, enabling rapid and efficient characterization of photon detectors. This development promises to enhance quantum research significantly, paving the way for advanced applications in quantum computing and communication.

Breakthrough in quantum photonics with high-performance computing.

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The Dstat.cc DDoS review platform has been seized by law enforcement, and two suspects have been arrested after the service helped fuel distributed denial-of-service attacks for years.

The seizure and arrests were conducted as part of “Operation PowerOFF,” an ongoing international law enforcement operation that targets DDoS-for-hire platforms, aka “booters” or “stressers,” to seize infrastructure and arrest the operators.

These platforms are responsible for service disruptions to online services and can cause significant economic damages, as well as impact to the operation of critical services, such as healthcare.

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Imagine that instead of viewing an image through a lens, you look through a kaleidoscope that focuses invisible light to obtain a new range of colors. The photon, the ephemeral messenger of light, usually appears alone, but here it appears in a duet, which is the basis of two-photon . This is an extraordinary phenomenon in which the , instead of perceiving traditional light, receives pulses of infrared lasers, the gateway to the invisible world.

However, the key to this is measuring the brightness of two-photon stimuli, which until now was only possible for . ICTER scientists have made a breakthrough and determined the luminance value for infrared using photometric units (cd/m2). Thanks to this approach, it is possible to link the luminance of two-photon stimuli to a new physical quantity related to perceived brightness: the two-photon retinal illumination.

Research—conducted by scientists from the International Centre for Eye Research (ICTER) with the participation of Ph.D. student Oliwia Kaczkoś, Ph.D. Eng. Katarzyna Komar and Prof. Maciej Wojtkowski—has shown that the luminance of a two-photon stimulus can reach almost 670 cd/m2 in the safe range of laser power for the eye.

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Perhaps no technology has shaped the 21st-century battlefield as profoundly as the drone. These uncrewed aerial vehicles (UAVs), along with their land and sea counterparts, have redefined the way wars are fought by providing military forces with unprecedented capabilities in surveillance, precision targeting, and intelligence gathering — all while reducing the risk to their own personnel. Drones have made complex operations more efficient and less costly, enabling militaries to strike with pinpoint accuracy and maintain a persistent presence over the battlefield.

As the century progresses, the influence of drones continues to expand beyond traditional state actors. Non-state groups and non-peer adversaries increasingly have adopted this technology, leveraging it to level the playing field in conflicts around the world. With commercial drones becoming more accessible, these actors can conduct reconnaissance, drop bombs, and challenge conventional military forces in ways that previously were unimaginable.

The influence of drones flows across all domains of warfare. Loitering munitions, or “Kamikaze drones,” have disrupted traditional force structures by providing smaller, more agile units with the ability to strike high-value targets such as tanks, artillery, and command centers.

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Lee esta historia en español aquí.

NASA’s Quesst mission marked a major milestone with the start of tests on the engine that will power the quiet supersonic X-59 experimental aircraft.

These engine-run tests, which began Oct. 30, allow the X-59 team to verify the aircraft’s systems are working together while powered by its own engine. In previous tests, the X-59 used external sources for power. The engine-run tests set the stage for the next phase of the experimental aircraft’s progress toward flight.

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Researchers at Cornell have engineered a groundbreaking porous crystal using a unique fusion of macrocycle and molecular cage structures, enhancing lithium-ion transport in solid-state batteries.

This new crystal design features one-dimensional nanochannels that significantly increase ion conductivity, a development that promises safer batteries and has potential applications in water purification and bioelectronics.

By fusing two contorted molecular structures, Cornell researchers have developed a porous crystal capable of absorbing lithium-ion electrolytes and smoothly transporting them through one-dimensional nanochannels. This innovative design has the potential to enhance the safety of solid-state lithium-ion batteries.

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