Dale's latest activity
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Dale replied to the thread I Synchronizing clocks in an inertial frame if light is anisotropic.That is good work. It is much more difficult to do than it appears at first glance. -
Dale reacted to Greg Bernhardt's post in the thread Insights Why Entangled Photon-Polarization Qubits Violate Bell’s Inequality with
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Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. In her YouTube video Bell’s Theorem... -
Dale reacted to James Hasty's post in the thread I Synchronizing clocks in an inertial frame if light is anisotropic with Like.
The purpose of my post was to demonstrate a way to synchronize two clocks located in the same inertial frame. I thought this would be...
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Dale reacted to Orodruin's post in the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime? with Like.
Not only why, but ”you cannot”. It is impossible to do it without parallel transport - or at least without parallel transport being...
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Dale replied to the thread I Synchronizing clocks in an inertial frame if light is anisotropic.I don’t think this is correct.
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Dale replied to the thread I Synchronizing clocks in an inertial frame if light is anisotropic.Indeed, if I am reading my notebook correctly the Lagrangian for a free particle in an Anderson synchronized frame is $$L=-(\dot...
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Dale reacted to Nugatory's post in the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime? with Like.
When @geordief wrote that he was still under the misunderstanding that “I think parallel transport relies on these tangent planes [that...
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Dale replied to the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime?.I hadn’t seen that, but it is a good quote. It also helps that it is clear that physics depends not only on positions but also on...
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Dale reacted to PeterDonis's post in the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime? with Like.
The mathematical sphere is a model. It's not anything in reality. We often use models to make predictions about reality, but that...
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Dale reacted to Nugatory's post in the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime? with Like.
The tangent space at a point is not a plane in the 3D embedding space (although that is a natural way of visualizing it, continuing our...
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Dale replied to the thread I How Is Intrinsic Curvature Measured in Higher Dimensions Like 4D Spacetime?.Why would you do it without recourse to parallel transport?
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Dale reacted to pervect's post in the thread I Synchronizing clocks in an inertial frame if light is anisotropic with Like.
Yes, I personally think it would be simpler to introduce relativity by means of proper velocity, or as you write it ##dx/d\tau##. Do...
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Dale reacted to Ibix's post in the thread I Synchronizing clocks in an inertial frame if light is anisotropic with Like.
I also agree. To call what you get with a homogenous but anisotropic two way speed a "simultaneity plane" you need to require that...
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Dale replied to the thread I Synchronizing clocks in an inertial frame if light is anisotropic.There is disagreement in the literature on this point. But I tend to agree with you. Anderson, in contrast, does not restrict his...
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Dale reacted to PAllen's post in the thread I Synchronizing clocks in an inertial frame if light is anisotropic with Like.
I would think of that more like the case of lightlike coordinates. That a time coordinate is the same along a null path in some...