Physics World September 2023
Cosmic insights: using muons to peer into volcanoes and cyclones
We’ve long known that the Earth’s atmosphere is being constantly hit by cosmic rays, but the muons that are produced can, it turns out, be used as an environmental probe. In this month’s cover feature, Michael Allen speaks to physicists who are using “muon tomography” to get a better understanding of volcanoes, tropical cyclones and even “meteotsunami” waves. Nicola Spalding, meanwhile, talks about her work on world-changing materials, Chad Orzel recounts the early days of laser cooling, and Philip Moriarity explains his quantum-metal music mashup.
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Shreddinger’s equation: when the uncertainty principle goes up to 12
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