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  • Question of the week | Will fusion run out of fuel?

    One of the paradoxes of fusion, the virtually inexhaustible energy of the future, is that it relies on an element that does not exist—or just barely. Tritium, o [...]

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  • Managing data | Setting up a robust process

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  • Image of the week | Bullseye

    Two perfectly circular structures, looking a lot like archery targets, have been installed on the west-facing wall of the Tokamak Complex. They are not for sh [...]

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  • Art and science | Seeking new perspectives on fusion

    Standing in the middle of the Tokamak Building, sound artist Julian Weaver positions his 3D microphone near one of the openings of the bioshield to record the s [...]

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  • Worksite photos | The view one never tires of

    For the past three-and a half years, ITER Communication has been documenting construction progress from the top of the tallest crane on the ITER worksite. Altho [...]

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Of Interest

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JET achieves first plasma after shutdown

Eyewitnesses in the JET control room following the first plasma in eighteen months. (Click to view larger version...)
Eyewitnesses in the JET control room following the first plasma in eighteen months.
Wednesday afternoon, the control room at the heart of the JET installation in Oxfordshire, UK was crowded and full of expectation. After an eighteen-month shutdown to upgrade the machine and four months of careful commissioning, the scientists were waiting to see the first plasma on the screen. The biggest part of this upgrade was to change the 4,500 tiles lining the vessel. The non-metal carbon was replaced by the metals beryllium and tungsten. The new materials are in accordance with the materials-mix chosen for JET's successor, ITER.

With its new ITER-like wall, JET is the first fusion experiment to test beryllium and tungsten—which will be used inside the next-generation international experiment—together.

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