by Daniel Clery on 4 February 2013, 2:05 PM
Testing, testing. A prototype of the ITER central solenoid coils.
Credit: Lawrence Livermore National Laboratory
Scientists have resolved a technical problem with the giant superconducting magnets of the ITER fusion reactor that threatened the project’s scheduled completion in 2020.
After tests showed that the approved design for superconducting cables was showing signs of degradation too soon, samples from a U.S. manufacturer with a different design fared better. But Japan, the ITER partner responsible for manufacturing the cable, went its own way and has developed a cheaper alternative that seems to tick all the boxes…
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