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Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst

With a new $100M raise, Princeton’s Thea Energy is now a top-funded fusion startup

Fusion power startup Zap Energy pulls a partial pivot, adding nuclear fission to the mix

Cracks are starting to form on fusion energy’s funding boom

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Fast updates from the latest stories.

Inertia moves to commercialize one of the world’s most elaborate science experiments

LAWRENCE LIVERMORE NATIONAL LABORATORY +8

Inertia moves to commercialize one of the world’s most elaborate science experiments

Every fusion startup that has raised over $100M

Every fusion startup that has raised over $100M

How nuclear batteries could speed the race to fusion power

How nuclear batteries could speed the race to fusion power

Commonwealth Fusion Systems leans on magnets for near-term revenue

Commonwealth Fusion Systems leans on magnets for near-term revenue

What will power the grid in 2035? The race is wide open

ELECTRICAL GRID +5

What will power the grid in 2035? The race is wide open

Sam Altman-backed fusion startup Helion in talks to sell power to OpenAI

Sam Altman-backed fusion startup Helion in talks to sell power to OpenAI

Sam Altman-backed fusion startup Helion in talks with OpenAI

Sam Altman-backed fusion startup Helion in talks with OpenAI

How fusion power works and the startups pursuing it

How fusion power works and the startups pursuing it

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