Re: continuity




c.j.robertson@xxxxxxxxxxx wrote:
> all physics teachers and lecturers should make clear to their students
> that nothing physical, such as time, the spectrum of electromagnetic
> waves and so forth, can be shown to be continuous. it is not possible
> to show that something is continuous by measurement because of the
> dependence on infinity in the definition of continuity. to many people
> seem to take for granted that time is continuous, same thing with the
> spectrum of light. they should instead say that everything is probably
> quantized or something like that.

There's a difference between telling students that measurements have
some finite accuracy and concluding therefrom that all things are,
objectively, discrete.

Is space-time discrete? Maybe. Maybe not. Do you have a fact-based
theory which requires discrete space-time, and is in a testable form?

-Mark Martin

.



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