Is Randomness a Myth in the Universe?

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Discussion Overview

The discussion revolves around the concept of randomness in the universe, specifically questioning whether any events occur without a cause. Participants explore the implications of determinism and the interpretations of quantum mechanics, including the nature of future events and their causality.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • One participant questions if there are any truly random events in the universe, suggesting a lack of knowledge about physics may influence their view.
  • Another participant asserts that, according to physics, there are no effects that occur without cause.
  • A participant interprets the discussion as implying that if all events have causes, then the future must be predetermined.
  • Further clarification is provided that while future events must have causes, this does not necessarily imply a fully deterministic universe.
  • One participant discusses the implications of quantum mechanics, noting that interpretations vary, with some suggesting determinism (like Bohm's interpretation) and others proposing a probabilistic nature (like the standard interpretation) or the many-worlds interpretation.
  • A later reply indicates that the topic may lead to philosophical discussions, suggesting a potential shift in the nature of the conversation.

Areas of Agreement / Disagreement

Participants express differing views on whether the universe is deterministic or probabilistic, with no consensus reached on the nature of randomness or causality in the universe.

Contextual Notes

The discussion highlights the complexity of interpretations in quantum mechanics and the philosophical implications of determinism versus randomness, which remain unresolved.

Tepster
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Hi,
I'd like to ask you if is there (in universe) anything random - any event which hasn't a reason. I say no but I haven't enough knowledge about physics so perhaps there are some things I don't know.

Thank you
 
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If you are asking if there are effects that happen without cause, then no, there are not. Not according to physics.
 
So that mean the future is already defined, doesn't it?
 
Tepster said:
So that mean the future is already defined, doesn't it?

It means that future events must have causes, nothing more.
 
If by a "reason" you mean that based on the previous situation this had to happen, then you are asking whether the universe is deterministic. This depends on how you understand quantum mechanics. According to the standard way of formulating QM, there are only probabilities about a range of things that may happen. But there are other interpretations such as Bohm's which are deterministic. Then you have the "many worlds" idea: That all the "options" happen but we see them as parallel universes, so looking at the whole picture there is determinism, but anyone copy of you, in one of the worlds, seem a random process. These different interpretations are still the subject of much debate, so one can say that your question is still open.
 
I think maline's post sums up the standard argument pretty well. This thread seems destined to spiral down into the depths of a philosophical discussion, so I'm going to lock it now before it reaches the philosophical event horizon. Tepster, if you have a non-philosophical question, feel free to start a new thread.
 

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