Nature – Ray of hope in ITER cable crisis
Nature News Blog – Ray of hope in ITER cable crisis
By Geoffrey Brumfie | 01 March 2012 – 16:49GMT
Almost a year ago, we reported a potentially serious problem at ITER, the world’s largest nuclear fusion experiment. At stake was the heart of the machine: the giant central solenoid magnet (see diagram). Now, it seems that a solution may be within reach, although it is likely to cost the project more money.
The central solenoid (or “CS” to those in the know) is a 13.5-metre-high stack of six identical superconducting coils that are designed to generate a ginormous 13-tesla magnetic field. That field helps to confine hydrogen gas as it reaches fusion temperatures above 150 million °C.
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