Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.physics.relativity > #604876

Re: Uncertainty is why science can never know exactly

Cross-posted to 2 groups.

Show all headers | View raw

Sylvia Else wrote:
> 
> On 21-Mar-23 11:25 am, mitchr...@gmail.com wrote:
> > On Monday, March 20, 2023 at 11:31:08 AM UTC-7, Jim Pennino wrote:
> >> mitchr...@gmail.com <mitchr...@gmail.com> wrote:
> >>> QM in its central principle shows how
> >>> uncertain science has been. Einstein
> >>> knew QM would take a correction...
> >>> How can we get anywhere if
> >>> measurements are so uncertain?
> >>> And he had a God. God was his God.
> >>> Personal and impersonal.
> >>>
> >>> Mitchell Raemsch
> >> The measured value of the gravitational constant, which is one of the
> >> most difficult values to measure, has a current uncertainty of 46 parts
> >> per million or 0.0046%.
> >
> > Doesnt science need to know that constant exact before you could
> > predict how close to certain it is.
> 
> Why would you think that? Get out a metre rule and measure the height of
> your desk. You know the result isn't exact, so you don't know the
> precise height of your desk. But you can still look at the scale of your
> metre rule and conclude that you know the desk height to within a
> millimetre, or about 1 part in 750.
> >
> > The uncertainty principle of QM shows how
> > uncertain science has been.
> 
> The uncertainty principle relates to how the universe itself works, not
> to our inability to measure it precisely.
> 
> Sylvia.

How the uncertainty principle universe itself works has made your ability to measure it precisely, ineffective. 

It's in the cards.

-- 
The Starmaker -- To question the unquestionable, ask the unaskable,
 to think the unthinkable, mention the unmentionable, say the unsayable, and challenge
 the unchallengeable.

Back to sci.physics.relativity | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: Uncertainty is why science can never know exactly The Starmaker <starmaker@ix.netcom.com> - 2023-03-20 19:45 -0700
  Re: Uncertainty is why science can never know exactly Maciej Wozniak <maluwozniak@gmail.com> - 2023-03-20 22:22 -0700
    Re: Uncertainty is why science can never know exactly "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2023-03-21 14:26 -0700
      Re: Uncertainty is why science can never know exactly The Starmaker <starmaker@ix.netcom.com> - 2023-03-22 10:28 -0700
        Re: Uncertainty is why science can never know exactly The Starmaker <starmaker@ix.netcom.com> - 2023-03-22 16:13 -0700
      Re: Uncertainty is why science can never know exactly JanPB <filmart@gmail.com> - 2023-03-22 10:57 -0700
        Re: Uncertainty is why science can never know exactly "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2023-03-22 16:37 -0700
          Re: Uncertainty is why science can never know exactly JanPB <filmart@gmail.com> - 2023-03-22 19:48 -0700
            Re: Uncertainty is why science can never know exactly "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2023-03-22 21:12 -0700

csiph-web