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Copilot on web expands conversation controls

We’ve made improvements to Copilot Chat on github.com that make it easier to use. These include easier access to your recent conversations in chat, the ability to minimize the chat window and return to an in-progress conversation, and indicators that help you track your Copilot token spend.

We’ve improved the chat overlay experience by adding two new features.

The first is the ability to minimize the screen during a conversation. This allows you to browse GitHub while waiting for a Copilot response.

How malicious SIM cards can hijack smartphones, EV chargers and connected devices

Subscriber Identity Modules (SIMs), secure elements used to connect devices to a mobile network, can pose severe security risks when compromised. A malicious SIM could allow attackers to gather information about a device, interfere with its connectivity and serve as an entry point for further cyberattacks.

Presenting their findings at the 2026 USENIX WOOT Conference on Offensive Technologies in Baltimore, University of Birmingham researchers reveal a new attack surface exposed to malicious and compromised SIMs.

A feature known as Proactive SIM allows a SIM card to send a limited number of special commands directly to a device’s modem. One allows the SIM to request the execution of so-called AT commands—the same type of commands used to control and configure modems since the 1980s.

Uranium Energy vs. Oklo: Which Nuclear Fuel Play Wins in 2026?

In May, Oklo was selected by the U.S. Department of Energy (DOE) for advanced negotiations under the Surplus Plutonium Utilization Program, which makes designated surplus plutonium available to private industry for conversion into fuel under strict requirements.

In contrast, Uranium Energy Corporation is positioned at the front end of the nuclear fuel cycle. The company is a U.S.-based uranium miner that uses in situ recovery (ISR), a low-impact mining method that uses oxygenated groundwater to dissolve uranium underground and then pumps it to the surface.

Uranium Energy uses a “hub-and-spoke” platform, meaning it operates processing plants that serve as central hubs for processing material extracted from multiple nearby mining sites (the spokes). The company currently controls two active ISR central processing production platforms in the U.S., in Wyoming and Texas.

South Korea’s $576 Billion AI Bet Shows Why Vertiv Is More Than a Cooling Company

Artificial intelligence stocks often move on earnings reports, product launches, or analyst upgrades. Vertiv Holdings (NYSE: VRT | VRT Price Prediction) did none of those things on June 30, yet its shares climbed 9.1%, adding nearly $11 billion in market value in a single trading session. The catalyst originated more than 6,000 miles away in Seoul, where the South Korean government unveiled one of the world’s most ambitious semiconductor and AI infrastructure investment programs. That reaction illustrates how investors increasingly view AI infrastructure companies as global beneficiaries of AI investment, regardless of where those investments originate.

That’s an unusual way for an industrial company to gain nearly $11 billion in market value, but it says a great deal about how Wall Street now views AI infrastructure. Investors are increasingly reacting not just to company-specific news, but to any development that suggests the global AI buildout will continue accelerating.

That disconnect between where the news occurred and where investors directed their money explains much about how Wall Street is beginning to value the next phase of the AI infrastructure cycle. Increasingly, investors are reacting not simply to company-specific developments but to any indication that global AI spending will continue expanding. Vertiv has become one of the clearest beneficiaries of that trend because its products sit at the heart of virtually every modern AI data center.

CyberTipline Report

“undress” feature led to real victims and real lawsuits. In late 2025, Elon Musk’s xAI added an image-editing feature to Grok that let users strip clothing from photos of real people. It was quickly used to sexualize both adults and children. Researchers estimated it produced millions of sexualized images — including tens of thousands depicting apparent children — in less than two weeks. Rather than shutting the feature down, xAI restricted it to paying subscribers. That decision is now central to multiple lawsuits, including one where a stepfather allegedly used the tool to generate roughly 7,000 sexual images and videos of his stepdaughter from a single childhood photo. Several countries opened investigations or temporarily restricted xAI’s tools over this.

Other major AI companies — including OpenAI, Google, Meta, and Anthropic — have faced general scrutiny over training-data practices and content-moderation gaps, but at the time of writing there isn’t a documented, specific incident for each of them on the scale of the three above. Be skeptical of anything that lists all the big AI labs as equally implicated without pointing to a specific report or case — much of what circulates about this topic treats “researchers have shown filters can be bypassed” (true of nearly every AI safety system, for nearly every kind of harmful content) as if it were the same thing as a documented incident. It isn’t.


National Center for Missing and Exploited Children’s CyberTipline is the nation’s centralized reporting system for the online exploitation of children. The public and electronic service providers can make reports of suspected online enticement of children for sexual acts, child sexual molestation, child sexual abuse material, child sex tourism, child sex trafficking, unsolicited obscene materials sent to a child, misleading domain names, and misleading words or digital images on the internet. Every child deserves a safe childhood.

New optical method reveals internal dynamics of elusive Wigner crystals

Researchers at the University of Basel and the Technical University of Munich have developed a new method to reveal the collective motion of electrons in one of the most elusive states of matter: the Wigner crystal. Using light, the physicists were able to uncover previously inaccessible properties of this fragile quantum state.

When electrons confined to a two-dimensional plane interact strongly with one another, they can stop moving independently and instead form a periodic lattice resembling the atomic arrangement in an ordinary crystal.

This ordered state, known as a Wigner crystal, has fascinated scientists for decades because its order does not arise from the internal structure of the host material, but from interactions among the electrons themselves.

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