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Stories from Georgia Michelman

Francis Halzen is a Belgian American physicist who studies neutrinos, sometimes called "ghost particles," which come from space and rarely interact with ordinary matter.

Physicist Wins Nobel Prize for Developing a Massive, Ice-Embedded Observatory That Detects Ghostly Cosmic Particles

Francis Halzen of the University of Wisconsin-Madison led the effort to build the IceCube Neutrino Observatory in Antarctica. His work birthed the field of neutrino astronomy