A century of quantum mechanics

On 9 July 1925, in a letter to Wolfgang Pauli, Werner Heisenberg revealed his new ideas, which were to revolutionise physics

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Elusive romance of top-quark pairs

Scientists at the LHC experiments observe an unforeseen feature in top quark behaviour suggesting a quasi-bound-state

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Slovenian flag raised at CERN

A ceremony was held to mark the country’s accession as CERN’s 25th Member State

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What is the nature of our Universe?
What is it made of?

Scientists from around the world
come to CERN …

… to use unique machines to answer
         fundamental questions …

… pushing the limits of technology
         for the benefit of society.