Is newtons theory of gravity kind of like our current pop theory on quantum mechanics

  • #1
Seems like our general idea on the quantum level stops at predicting with great accuracy. The why, and hows seem to still evade us. Is my ideas accurate?
 

Answers and Replies

  • #2
Simon Bridge
Science Advisor
Homework Helper
17,874
1,655


Accurate - don't think so. Current quantum theory is strongest on it's predictive ability.
Perhaps you are thinking of a particular example?
 
  • #3
869
61


Seems like our general idea on the quantum level stops at predicting with great accuracy. The why, and hows seem to still evade us. Is my ideas accurate?

That is all that a physical theory can ever do. Feynman says it better then I can...
 
Last edited by a moderator:
  • #4
Simon Bridge
Science Advisor
Homework Helper
17,874
1,655


Ah that's a thought - I read that to mean that it does not predict with great accuracy.
Sure - the quantum models are good at predicting the numbers we get but do not do much to tell us how the Universe arrives at those numbers.

It is a philosophical point that the other models don't do this either.
I like Feynman's "Mayan" examples illustrating the danger of trying to interpret the models ... "it's got a 22 in it and 22 is a lucky number..."

QED lets us answer questions like: "how much light do we expect at point P" but won't tell us how those particular photons got there now we have detected them, but it can provide some insight into how photons may have got there in different circumstances.

That's statistics for you.

The "why" questions tend not to get answered in science much at all - that would be philosophy.
 
  • #5


It just seems to me that QM is lacking in something, the way newtons ideas of gravity was lacking. If that makes sense.
 
  • #6
Simon Bridge
Science Advisor
Homework Helper
17,874
1,655


No it doesn't. "lacking something" is too vague to have any meaning. It's like there is a Je ne sais quoi about it.
 
  • #7


Erm.. I don't get what you are trying to say. All theories are likely lacking something, the problem is finding what.
 
  • #8
Simon Bridge
Science Advisor
Homework Helper
17,874
1,655


Yeh - there are not a lot of certainties in this Universe but one of them is that our theories are lacking in some way. We do not actually know everything ...
 

Related Threads on Is newtons theory of gravity kind of like our current pop theory on quantum mechanics

Replies
17
Views
6K
  • Last Post
Replies
8
Views
1K
Replies
66
Views
28K
Replies
2
Views
2K
  • Last Post
2
Replies
47
Views
5K
Replies
3
Views
2K
  • Last Post
Replies
19
Views
4K
  • Last Post
2
Replies
29
Views
17K
  • Last Post
Replies
4
Views
4K
  • Last Post
Replies
7
Views
1K
Top