Exotic atoms -- atoms with electrons replaced by heavier particles -- passed a landmark test in spring 2026. Kaonic fluorine spectroscopy at Italy's INFN-LNF probed fields above the Schwinger limit ...
This one guide replaces all the older ones. It covers everything you have to set up yourself, in order. If you skip a part, that feature just falls back to something simple (a grey block, no sound, or ...