New
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Into the antiworld
For each particle, there exists an antiparticle with opposite properties, in particular electric charge. This has been well established, ever since Paul Dirac’s theoretical predictions in the late 1920s. Over the three decades that followed, scientists discovered the constituents that would make up an antimatter atom: the antielectron (or positron), the antiproton and the antineutron.…
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Coming together to celebrate CERN70
This year has seen a wealth of activities for CERN’s 70th anniversary. More is to still to come, including the CERN70 Community Event on 17 September CERN’s 70th anniversary is a remarkable milestone, and celebrations at CERN and across Member and Associate Member States have been taking place since the official launch in January 2024.…
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A two-stage rocket
In the early 1960s, when the Proton Synchrotron (PS) had just come into service, the scientific community was already thinking about a machine ten times more powerful. But a new accelerator could be built elsewhere, with a new laboratory. The project soon found itself the object of a diplomatic and financial deadlock. John Adams, the…