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AI Is Helping Scientists Stabilize the Sun—in a Bottle
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Hello readers,
Welcome to the AI For All newsletter! Today, we’re talking about how AI is giving us a new view of nuclear fusion, how to know if your data architecture is ready for AI, and more!
AI in Action: Seeing Nuclear Fusion

Bumper DeJesus / Princeton University
Researchers from Princeton have developed an AI system called Diag2Diag that can reconstruct missing or degraded sensor data in fusion reactors, essentially filling in the blanks using information from other diagnostics, as detailed in a study published in Nature Communications. Like an AI tool that lip-reads and reconstructs a film’s missing audio track, Diag2Diag synthesizes high-resolution plasma data where direct measurements are unavailable. This allows scientists to track critical aspects of the plasma with greater fidelity, improving control and reducing the need for costly or hard-to-maintain physical sensors.
The AI model was trained on fusion experiments at the DIII-D National Fusion Facility and demonstrated impressive capability in reproducing fine-grained data, particularly in areas where traditional diagnostics like Thomson scattering fall short. For example, it generated accurate estimates of temperature and density in the hard-to-measure “pedestal” region at the plasma’s edge. These details are vital to maintaining plasma stability, which is crucial for any future fusion power plant.
"Fusion devices today are all experimental laboratory machines, so if something happens to a sensor, the worst thing that can happen is that we lose time before we can restart the experiment. But if we are thinking about fusion as a source of energy, it needs to work 24/7, without interruption.”
Beyond diagnostics, Diag2Diag has real-world implications for plasma disruption prevention and system design. The AI produced new evidence supporting a theory about how magnetic field tweaks suppress harmful energy bursts (ELMs), reinforcing its value not just as a monitoring tool, but as a path to better understanding plasma behavior. Researchers believe this approach could make future reactors more compact, robust, and affordable by enabling fewer physical sensors while increasing visibility into the machine’s most important dynamics.
🔥 Rapid Fire
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Meta will soon use your AI chatbot conversations for targeted ads
On AI bubble, Mark Zuckerberg says ‘collapse’ is ‘definitely a possibility’
Replit's latest update is infuriating customers with surprise cost overruns
Can today’s AI video models actually understand how the real world works?
A man goes missing after becoming obsessed with an AI chatbot
Top AI researchers leave Big Tech for a new startup
Commentary: How the AI bubble ate Y Combinator
More and more AI startups use ever-more-creative definitions of ARR
OpenAI's new social app is flooded with Sam Altman deepfakes
Mira Murati’s stealth AI lab launches its first product
Anthropic claims new model thinks it's being tested by humans
Hollywood celebrities come out against AI-generated actor
If AI is a bubble, the whole economy could pop with it
📖 What We’re Reading
“Generative AI. Predictive maintenance. Real-time optimization. Everyone’s talking about these transformative technologies, but only a few are asking the hard question themselves: Is our data architecture even ready for them?
In the rush toward Industry 4.0, enterprises are collecting more data than ever before. But without the right foundation, that data often sits unused, fragmented across legacy systems, or trapped in vendor-specific silos. The result? AI pilots that stall. Automation projects that underdeliver. And digital transformation strategies that never quite take off.”