Is a Second Temporal Dimension Possible?

[L.Newton]

Hello to everybody. I had brought up the topic of extra spatial dimension in the math sector of the forum and was directed to the physics section for a question to a second temporal dimension.

My questions are the following. would a second temporal dimension run counter to the current arrow of time? What are the implicications of a second temoporal dimension? Any helpful links goes a long way.

Thanks

 

[dipole]

This idea has been explored to some extent:

http://phys.org/news98468776.html

 

[Habeebe]

If you add another dimension, then its direction has to be orthogonal to the 'original' time axis. Consider time as a bead sliding on a straight wire, then the other time has to be sliding on a wire at a right angle to that. I don't know about implications of it off the top of my head, it's hard to imagine a 5 dimensional space-time.

 

[L.Newton]

Pretty interesting stuff. I suppose if that's the way nature really works though then what we experience would be a result of 5D-space time.

 

[pmacias]

I can provide a response to the question of whether a second temporal dimension is possible. The concept of time is a fundamental aspect of our understanding and perception of the world. In physics, time is often described as the fourth dimension, with the other three being spatial dimensions. However, the idea of a second temporal dimension is still a subject of debate and research in the scientific community.

One of the main challenges in considering a second temporal dimension is the concept of causality. In our current understanding, cause and effect are linked in a linear progression of time. A second temporal dimension could potentially disrupt this relationship and lead to paradoxes and contradictions. Therefore, any proposal for a second temporal dimension needs to be carefully examined and tested against our current understanding of causality.

Another implication of a second temporal dimension could be the possibility of time travel. In a two-dimensional temporal framework, it may be possible to move back and forth in time, which raises questions about the stability and consistency of our timeline. This could have significant implications for our understanding of the universe and the laws of physics.

There are ongoing studies and theories exploring the concept of a second temporal dimension, but there is no consensus among scientists on its existence. Some theories, such as the "block universe" theory, suggest that time is a multi-dimensional construct, but this is still a subject of debate and further research is needed to fully understand its implications.

In terms of helpful links, I would recommend reading about the theories and research on time and space by renowned physicists such as Albert Einstein, Stephen Hawking, and Brian Greene. Additionally, staying updated on current research and developments in the field of quantum mechanics and string theory may provide further insights into the possibility of a second temporal dimension.

In conclusion, the concept of a second temporal dimension is a complex and intriguing topic that requires further investigation and experimentation. While it may challenge our current understanding of time, it is ultimately up to scientific evidence and research to determine its feasibility and implications.