{"conversations": [{"from": "user", "value": "Com funciona un reactor de fusi\u00f3?"}, {"from": "assistant", "value": "Els reactors de fusi\u00f3 nuclear o reactors de fusi\u00f3 at\u00f2mica s\u00f3n projectes experimentals viables, que es troben en proc\u00e9s de disseny i realitzaci\u00f3."}]}