SMRTR Science & EngineeringFeb 11, 2026Interesting Engineering

Godzilla: Giant robot helps assemble parts of world’s largest fusion tokamak

SMRTR summary

ITER's fusion energy project has deployed "Godzilla," a 4-meter-tall robot capable of lifting 2.3 tonnes, to test assembly technologies for the world's largest fusion reactor. The robot serves as a development platform for specialized tools and processes that other robots will use to install 20,000 components inside ITER's vacuum vessel, helping advance the project toward its goal of achieving full magnetic energy by 2036.

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