Interview with Julian Barbour: Exploring Platonia and the Concept of Time

  • Thread starter MathematicalPhysicist
  • Start date
  • Tags
    Time
In summary, the conversation discussed the importance of setting boundaries in relationships. The speaker emphasized the need for clear communication and mutual respect in order for boundaries to be effective. They also mentioned the importance of understanding and accepting one's own boundaries before trying to communicate them to others. Overall, the conversation highlighted the role of boundaries in maintaining healthy relationships.
  • #1
MathematicalPhysicist
Gold Member
4,699
371
an interview with julian barbour about his of platonia a world without time he argues that to unite quantum mechanics with general relativity we need to leave time alone.
here is the interview:http://noorderlicht.vpro.nl/wetenschap/smil/videoparts.sram?3626936+2848322+3855404+6882747+3250278
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
where may i find an explanation about the wheeler de-witt equation and why the isn't a mention to time in it?
 
  • #3

1. What is Platonia?

Platonia is a concept proposed by Julian Barbour in which all possible configurations of the universe exist simultaneously in a timeless and spaceless realm. It is similar to the idea of a multiverse, but instead of being created at different points in time, all possible states exist simultaneously.

2. How does Platonia relate to the concept of time?

In Platonia, time is seen as an illusion and all moments in time are considered equally real. This challenges the traditional view of time as a linear progression and suggests that all moments, past, present, and future, exist simultaneously.

3. What evidence supports the existence of Platonia?

There is no direct evidence for the existence of Platonia, as it is a theoretical concept. However, its proponents argue that the concept can explain certain phenomena, such as the apparent randomness of quantum mechanics and the unity of the laws of physics.

4. How does Platonia impact our understanding of the universe?

Platonia challenges our traditional understanding of the universe and the concept of time. It suggests that the universe is not a linear progression but rather a vast collection of all possible states. This has implications for our understanding of reality and the nature of existence.

5. What are the criticisms of Platonia?

Some critics argue that Platonia is a purely philosophical concept and lacks empirical evidence. Others argue that the idea of all possible states existing simultaneously is unfalsifiable and therefore cannot be considered a scientific theory. Additionally, the concept challenges our common sense understanding of time and reality, which may be difficult for some to accept.

Similar threads

Julian Barbour on Motion: Exploring the Illusion of Movement and Perception
    • Mechanics
Replies
3
Views
850
Julian Barbour on does time exist
    • Beyond the Standard Models
5
Replies
164
Views
36K
Julian Barbour: Video Documentary on His Theories
    • General Discussion
Replies
8
Views
3K
I Time travel is a fact or fiction.?
    • Other Physics Topics
Replies
9
Views
1K
Outside Space-time sci-fi genres
    • Science Fiction and Fantasy Media
Replies
22
Views
3K
Admissions Seeking Feedback on my Physics Personal Statement for Uni Application
    • STEM Academic Advising
Replies
3
Views
414
Cambridge Interview Question (pet peeve + demo)
    • Precalculus Mathematics Homework Help
Replies
1
Views
766
I What causes time dilation and length contraction
    • Special and General Relativity
Replies
10
Views
498
A Quantum superposition: Is a problem of space-time worldview?
    • Quantum Physics
Replies
1
Views
592
B Trying to understand what "time" is (layperson)
    • Special and General Relativity
Replies
21
Views
1K

Hot Threads

Recent Insights

Back
Top