• Sloppy models, differential geometry, and why science works 

      Sethna, James P. (Georgia Institute of Technology, 2020-09-28)
      Models of systems biology, climate change, ecology, complex instruments, and macroeconomics have parameters that are hard or impossible to measure directly. If we fit these unknown parameters, fiddling with them until they ...
    • Toward Progress for All: Statistics on the Physics Community 

      Ivie, Rachel (Georgia Institute of Technology, 2014-10-20)
      The number of physics PhDs earned in 2012 reached an all-time high of more than 1700 doctorates, and the number of physics bachelor’s degrees doubled between 1999 and 2013. However, the recession of 2008 continues to ...