[jasin]

However, different binaries may generally yield slightly different results due to compilers ordering floating-point operations differently, for example.

[franze]

like schrödingers cat for physics engines? but with the difference as long as it is the same box, the outcome is always the same?

[lucian1900]

That is what physics engines tend to aim for. Some even guarantee portably stable results.

[alxbrun]

What happens to the Heisenberg principle ??? :P