World's largest particle accelerator begins warming thousands of local French residents with waste energy from the 16-mile Large Hadron Collider — CERN's accelerator leverages its massive cooling network to help slash local carbon emissions
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From hunting the Higgs to warming your home

The world’s largest particle accelerator now has an important new mission: heating thousands of homes. The Large Hadron Collider at CERN has begun to funnel the waste heat from its cooling system to a new residential and commercial area in the nearby French town of Ferney-Voltaire, with the new linkup expected to be able to heat several thousand homes at once.