What is the 4th dimension and why is it so intriguing?

tg22542
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I know little about this topic, yet it interests me beyond imagining.

What can you guys tell me about it? Anything at all
 
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I think you will have to ask a more explicit question.
 
The 4th dimension is time. What would you like to know about it?
 
Anything and everything you know, whatever that is
 
tg22542 said:
I know little about this topic, yet it interests me beyond imagining.

What can you guys tell me about it? Anything at all

You'd be happier with the relativity forum than quantum mechanics, but before you post anything further in any forum here, Google around for "space-time", "time fourth dimension", "Minkowski", and see what you find. You will find lots of interesting stuff, and you may be able to come back with a more tightly focused question.
 
tg22542 said:
Anything and everything you know, whatever that is

To bounce off what Nugatory said, you should ask specific questions if you want a meaningful thread. There are plenty of resources out there for general knowledge if you are just wanting that, but PF isn't one of them.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!

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