exchemist
Valued Senior Member
Yeah except that any "model" river has will be demonstrably wrong.River has a different model is all.
I wonder if we could go to another planet and find no GR or Quantum Mechanics but that their models work for them.
I wish we had an intergalactic forum..would that be cool?
There must be other worlds ..will they have GR or something totally different but just as useful?
What if they breed half their number for food for the other half?
Could there be a planet without species eating each other.
Will they have string?
Alex

As for your other worlds, I am reminded of this: