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This type of synchronization is observed in other areas and is fundamentally different from the problem of two clocks hanging from a moveable base. We present a model explaining the phase opposition synchronization of two pendulum clocks in those conditions. The predicted behaviour is observed experimentally, validating the model.<\/jats:p>","DOI":"10.1038\/srep11548","type":"journal-article","created":{"date-parts":[[2015,7,23]],"date-time":"2015-07-23T12:59:20Z","timestamp":1437656360000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":95,"title":["Huygens synchronization of two clocks"],"prefix":"10.1038","volume":"5","author":[{"given":"Henrique M.","family":"Oliveira","sequence":"first","affiliation":[]},{"given":"Lu\u00eds V.","family":"Melo","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2015,7,23]]},"reference":[{"key":"BFsrep11548_CR1","unstructured":"Huygens, C. 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