Complex sentence: No experiment current or planned, however, will allow us to precisely probe or completely understand the Planck scale, but we have already accumulated enough data to narrow the field of workable inflationary universe theories, and eliminate some theorized extensions to the Standard Model.
Split into simpler sentences: No experiment current or planned, however, will allow us to precisely probe or completely understand the Planck scale. Nonetheless; we have already accumulated enough data to narrow the field of workable inflationary universe theories, and eliminate some theorized extensions to the Standard Model.