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  • The physics behind the transition to H-mode

    H‐mode—or thesudden improvement of plasma confinement in the magnetic field of tokamaksby approximatelya factor of two—is thehigh confinement regime that all mo [...]

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  • In search of the green plasma

    Sébastien König's core competence is in planning and scheduling; his passion is in understanding the workings of the Universe. In his previous life, before join [...]

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  • An outing into the future

    Open Doors days occur with scientific regularity at ITER (spring and autumn) and yet—due to the rapid evolution of work on site—each event offers something new. [...]

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  • Fusion "grandfather" tells family story

    Grandfathers like to tell stories. And Robert Aymar, the 'grandfather' of the French fusion community, is no exception. 'Being so old,' he quipped at last week' [...]

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  • An AC/DC adapter ... ITER size

    Like flashlight and smartphones, the ITER magnets—all 10,000 tonnes of them—will run on direct current (DC). And like flashlight and smartphones they will need [...]

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Of Interest

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Under the slab

From left to right: Steve Meador, David Moncton, Laurent Schmieder (European Domestic Agency, F4E), Mike Knotek, Jay Marx, John Glowienka and Tim Watson (ITER). (Click to view larger version...)
From left to right: Steve Meador, David Moncton, Laurent Schmieder (European Domestic Agency, F4E), Mike Knotek, Jay Marx, John Glowienka and Tim Watson (ITER).
On Tuesday 9 October, a small group from the United States led by Michael Knotek of the US Department of Energy was treated to a worksite tour with an unusual twist: the opportunity to visit the "basement" of the Tokamak Complex.

Underneath the Tokamak Complex slab are the 493 pillars and anti-seismic bearings that will support the weight of the Tokamak Complex (400,000 metric tons) and absorb ground motion in the case of a seismic event.

With 1.9 metres between the lower concrete slab and the upper (B2) slab, there is room enough for most visitors to walk around comfortably. But not US group member David Moncton. At 1.93 m (6"4'), plus safety helmet, he was too tall to stand fully upright ...



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