Russia has dispatched one of six giant magnets that will be used for the ITER nuclear fusion programme in France, one of the last international scientific projects Moscow is still participating in amid tensions over its war in Ukraine. The ship carrying the Russian-made magnet, or “poloidal field coil”, departed Saint Petersburg under grey skies on Tuesday. The 200-tonne, nine-metre-wide coil had been tightly wrapped to withstand the two-week trip to Marseille in the south of France. The ring-shaped magnet was built under the supervision of Russia’s atomic agency Rosatom and will make up the t…