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Walther Bothe and Bruno Rossi: the birth and development of coincidence methods in cosmic-ray physics
Walther Bothe and Bruno Rossi cosmic-ray physics
2011/8/31
In 1924 Walther Bothe and Hans Geiger applied a coincidence method to the study of Compton scattering with Geiger needle counters. Their experiment con rmed the existence of radiation quanta and estab...
Network Diversity and Economic Development: a Comment
Network Diversity Economic Development
2010/11/16
Network diversity yields context-dependent benefits that are not yet fully-understood. I elaborate on a recently introduced distinction between tie strength diversity and information source diversity...
Development and Applications of Three-dimensional Gamma Ray Tomography System Using Ray Casting Volume Rendering Techniques
Three-dimensional Gamma Ray Tomography System Ray Casting Volume Rendering Techniques
2010/10/15
Computed Tomography (CT) has made possible visualization of physical structures in the interior of an object in their real relative spatial position and orientation. Another important contribution of ...