Metallic Donut-Shaped interior of a nuclear fusion device.

Metallic Donut-Shaped interior of a nuclear fusion device.

The metallic donut-shaped interior of a nuclear fusion device.

With two grants, Jean Paul Allain will develop advanced technology to mitigate structural damage in future fusion devices, such as the Alcator C-Mod tokamak pictured here.

IMAGE: MIT Plasma Science and Fusion Center