Building a second sun: Take $10 billion, add coconuts

THE balmy south of France has always been a magnet for sun worshippers. So it is perhaps fitting that here, not far from the Côte d'Azur, an international team of researchers is building a machine to recreate the sun. It will take tens of thousands of tonnes of steel and concrete, plus a whole host of more unusual materials: beryllium, niobium, titanium and tungsten; frigid liquid nitrogen and helium. Oh, and a supply of burnt coconuts.
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