(March 5, 2017 at 5:16 am)Mr Greene Wrote: So cutting a long story short; the Theories are generalisations subject to being superseded by more accurate descriptions (as happened to Newtonian physics).
They aren't set in stone and can be replaced given sufficient evidence...
Apparently it all makes sense if you ignore gravity...
So cool! But, lions (and, presumably, some tigers) can be quite friendly, but do not try this at home: