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Category: internet

A new era for ultrafast photonics: 2D mercury-acetylide frameworks for near-infrared nonlinear optics

In the increasingly digital world, the demand for faster, more efficient and miniaturized optical devices is ever-growing. From high-speed internet and secure quantum communications to advanced medical imaging and precision manufacturing, the backbone of these technologies is light, specifically how we can control and manipulate it at the nanoscale.

Two-dimensional (2D) materials have emerged as a game-changer in this arena, offering unique properties that can be harnessed for ultrafast photonics and nonlinear optical applications.

However, the search for materials that combine stability, tunability and high performance in the near-infrared (NIR) region, a crucial window for telecommunications and sensing, remains a significant challenge.

The Digital 15-Minute City: Curing Internet Sprawl with Aggregated Artificial Intelligence

Aggregated AI represents a fundamental rezoning of this digital landscape. It is the architectural foundation of the ultimate digital 15-minute city.

Modern urban planners are increasingly rallying around a transformational concept known as the “15-minute city.” The philosophy is simple but profound: a neighborhood should be designed so that everything a resident needs for daily life—work, groceries, healthcare, education, and leisure—is accessible within a 15-minute walk or bike ride. It is a direct rejection of the sprawling, car-centric metropolis that forces people to spend large fractions of their lives commuting from one isolated zone to another.

When you look at the architecture of the modern internet, it becomes painfully obvious that we are living in the digital equivalent of urban sprawl.

For the past two decades, we have built a digital environment defined by vast distances and fragmented zones. We have distinct destinations for every conceivable task. You commute to one platform to analyze data, travel to another to manage client relationships, drive over to a different interface to write code, and navigate a maze of disparate chat windows to communicate. The modern knowledge worker spends an inordinate amount of their day stuck in digital traffic, constantly context-switching, moving data between incompatible silos, and navigating a sprawling ecosystem that was built for the benefit of the platforms, not the people who inhabit them.

The fake disease that fooled the internet, and what it says about all of us

Until a few years ago, no one had heard of bixonimania. Then, in 2024, a group of scientists posted findings online announcing the condition, which they claimed affected the eyes after computer use. However, the scientists had made it up—not just the work, but the authors’ names, affiliations, locations and funding, which was the University of Fellowship of the Ring and the Galactic Triad.

Large language models like ChatGPT and Gemini treated it as real anyway, and in doing so, helped turn a fictional disease into a legitimate-sounding health concern.

Bixonimania is not an isolated case. Being deceived—whether you are a person or an AI model—is concerningly common, in science and beyond. Whether we’re talking about AI hallucinations, state-backed disinformation or just everyday lies, humans have a remarkable knack for naivety, owing to our biases and increasing need to outsource learning to others. These are problems we—individually and collectively—urgently need to better understand and overcome.

A new way to deliver faster, greener wireless connections indoors

Modern life depends on fast and reliable wireless connections. Video calls, streaming services, virtual reality, and smart devices all place growing demands on networks that already serve billions of users. Most wireless data today travels through radio-based technologies such as Wi-Fi and cellular systems.

While these approaches have been highly successful, they face mounting challenges, including crowded radio spectrum, interference in dense indoor spaces, and rising energy consumption as more devices come online.

A promising complementary approach is optical wireless communication, which uses light instead of radio waves to transmit data. Light offers far more bandwidth than radio frequencies, does not interfere with existing wireless systems, and can be directed precisely at specific locations.

Using atomic nuclei could allow scientists to read time more precisely than ever

Most clocks, from wristwatches to the systems that run GPS and the internet, work by tracking regular, repeating motions.

To build a clock, you need something that ticks in a perfectly repeatable way. In a pendulum clock, that tick is the regular swinging of the pendulum: back and forth, back and forth, at nearly the same rate each time.

Our team of physicists studies whether an even better kind of clock could one day be built from the atomic nucleus. Today’s best clocks already use atoms to keep extraordinarily accurate time. But in principle, a clock based on a nucleus—the tiny, dense core at the center of an atom—rather than an atom’s electrons, could keep a steadier rhythm because it would be less sensitive to environmental disturbances such as temperature changes. In our research, published in the journal Nature, we measured and interpreted a unique nuclear property of thorium-229 in a crystal that could help make such nuclear clocks possible.

Nearly 4,000 US industrial devices exposed to Iranian cyberattacks

The attack surface targeted by Iranian-linked hackers in cyberattacks against U.S. critical infrastructure networks includes thousands of Internet-exposed programmable logic controllers (PLCs) manufactured by Rockwell Automation.

According to a joint advisory issued by multiple U.S. federal agencies on Tuesday, Iranian state-backed hacking groups have been targeting Rockwell Automation/Allen-Bradley PLC devices since March 2026, causing operational disruptions and financial losses.

“Iranian-affiliated APT targeting campaigns against U.S. organizations have recently escalated, likely in response to hostilities between Iran, and the United States and Israel,” the authoring agencies warned.

A tiny detector for microwave photons could advance quantum tech

Detecting a single particle of light is hard; detecting a single microwave photon is even harder. Microwave photons, the tiny packets of electromagnetic radiation used in current technologies like Wi-Fi and radar, carry far less energy than visible light. They are about 100,000 times weaker than optical photons.

Many existing quantum technologies depend on detecting individual photons with high reliability. For visible light, this is well established using devices that convert incoming light directly into electrical signals. But at microwave frequencies (0.3–30 GHz), this fails because each individual photon doesn’t carry enough energy to release an electric charge into a material. This means that detecting single microwave photons requires a completely different strategy.

A long-standing goal has been to realize a simple device capable of continuously detecting microwave photons. Now, scientists at EPFL, led by Pasquale Scarlino, have developed a semiconductor-based detector that takes an important step in that direction.

Forget Wi-Fi This Laser Tech Hits 360 Gbps at Half the Power

A new laser-powered wireless system uses light to deliver data at speeds exceeding 360 Gbps. It could enable faster, more efficient indoor networks while reducing interference and energy use.

Modern life runs on fast, reliable wireless connections. Video calls, streaming, virtual reality, and connected devices all depend on networks that already support billions of users. Most of this data travels over radio-based systems like Wi-Fi and cellular networks. These technologies have powered decades of growth, but they are running into limits. Radio spectrum is becoming crowded, signals can interfere with each other in busy indoor spaces, and energy use keeps rising as more devices come online.

Using light instead of radio waves.

APT37 hackers use new malware to breach air-gapped networks

North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.

The malicious campaign has been named Ruby Jumper and is attributed to the state-backed group APT37, also known as ScarCruft, Ricochet Chollima, and InkySquid.

Air-gapped computers are disconnected from external networks, especially the public internet. Physical isolation is achieved at the hardware level by removing all connectivity (Wi-Fi, Bluetooth, Ethernet), while logical segregation relies on various software-defined controls, like VLANs and firewalls.

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