IOP Press Office information

100 years of cosmic rays mystery

Notes to Editors

Physics World 
Physics World is the international monthly magazine published by the Institute of Physics. For further information or details of its editorial programme, please contact the editor, Dr Matin Durrani, tel +44 (0)117 930 1002. The magazine’s website is updated regularly and contains physics news, views and resources. Visit

For copies of Physics World and copies of the articles reviewed here contact Joseph Winters, IOP senior press officer, tel +44 (0)20 7470 4815, +44 (0) 7946 321473, e-mail

The Institute of Physics
The Institute of Physics is a leading scientific society promoting physics and bringing physicists together for the benefit of all.

It has a worldwide membership of around 40,000 comprising physicists from all sectors, as well as those with an interest in physics. It works to advance physics research, application and education; and engages with policymakers and the public to develop awareness and understanding of physics. Its publishing company, IOP Publishing, is a world leader in professional scientific communications. Visit

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