https://umqt.phys.strath.ac.uk/author/ross-johnston/ Ross Johnston Wowchemy (https://wowchemy.com)en-us https://umqt.phys.strath.ac.uk/author/ross-johnston/avatar_hu13e2c287fd022c23cdeaef28c336b28e_39522_270x270_fill_q75_lanczos_center.jpg https://umqt.phys.strath.ac.uk/author/ross-johnston/