div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: MIT Center for Theoretical Physicsctpweblnsmiteduphysics_todayphystodayWhyCondensedpdffield theory and the Standard Model Because the vacuum is a complicated material governed src=https:reader033vdocumentinreader033viewer20220502085f5b18ef8f941d50012f521fhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: MIT Center for Theoretical Physicsctpweblnsmiteduphysics_todayphystodayWhyCondensedpdffield theory and the Standard Model Because the vacuum is a complicated material governed src=https:reader033vdocumentinreader033viewer20220502085f5b18ef8f941d50012f521fhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv