OpenRouter's compound-model API stacks budget AI models—and beat GPT-5.5 and Claude Opus 4.8 outright in benchmark testing.

Helion, the fusion startup backed by Sam Altman, announced on Thursday that it had raised $465 million in a new funding round that values the company at $15.5 billion. The cash infusion lands as ...

This flow feels easy to understand. Also, you can add new geometry by holding down the Alt key on Windows or the Option key on Mac while dragging. In Form, it is important to check not only the ...

The Korea Superconducting Tokamak Advanced Research (KSTAR) aims to generate energy by artificially creating solar-like fusion reactions inside a giant 'tokamak' structure. Photo by Korea Institute of ...

A Massachusetts-based fusion company took another step this week in its race to become the first to get the same power fueling the sun and stars onto the US electrical grid. Commonwealth Fusion ...

Nobody said building a fusion power plant would be easy. Physicists and engineers have been working for decades to crack the problem. But over the last year or so, fusion startup Zap Energy took a ...

On Tuesday a fusion energy start-up announced that it has applied to join a U.S. power grid—a first that could one day see households and businesses powered by nuclear fusion. Commonwealth Fusion ...

While nuclear fission derives energy from splitting atomic nuclei, nuclear fusion does so by joining them, releasing energy in the process. Though both atomic reactions produce energy by modifying ...

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There is a well-known saying among nuclear physicists that commercial nuclear fusion is about ten years away – and always will be. But a series of announcements by American startups and state-backed ...

What if the key to solving the world’s energy crisis was hidden in a process so ambitious, so technically demanding, that even experts once dismissed it as science fiction? For decades, nuclear fusion ...