Dale's latest activity
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Dale replied to the thread Site Usability nitpick -- Hyperlinks should be underlined.It seems from this research that there is very little benefit to underlining in addition to blue color. The effects seem small and the... -
Dale replied to the thread Site Usability nitpick -- Hyperlinks should be underlined.Most color-blind users are not achromatic and would be effectively served by different color schemes. For example, the various viridis...
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Dale reacted to weirdoguy's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with
Like.
I've been teaching physics since 2008, and I've spent 5 hard years becoming a physicist. We all here thought about these questions... -
Dale replied to the thread Site Usability nitpick -- Hyperlinks should be underlined.What goes into standards is based on the judgement and agreement of the members of the standards committee. Often they agree because...
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Dale replied to the thread B What reference frame is used for the velocity v in the Lorentz transformation?.After a very brief discussion among the mentors, we will leave this thread closed. As @weirdoguy mentioned, we have shown how the math...
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Dale reacted to DaveC426913's post in the thread Site Usability nitpick -- Hyperlinks should be underlined with Like.
Official standard: WCAG (Web Content Accessibilty Guidelines) published by the World Wide Web Consortium (W3C), widely recognized...
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Dale reacted to weirdoguy's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with Like.
And people pointed MULTIPLE TIMES how to resolve your problem. You did nothing with that. In the end, experiments falsify your point of...
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Dale reacted to Ibix's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with Like.
Every single one of us answering your questions has thought about it. We were all where you are once, but we studied and learned how the...
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Dale reacted to weirdoguy's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with Like.
Yes, because that's how reality/universe works. It's you that have problem with reality, because it does not work the way you want it to.
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Dale replied to the thread B What reference frame is used for the velocity v in the Lorentz transformation?.Yes, I have, and they do not matter in the end. They are the standard questions that most students ask as distractions from the actual...
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Dale replied to the thread B What reference frame is used for the velocity v in the Lorentz transformation?.It doesn't matter what you or he thinks about reality. What matters is what actually happens in reality. This is confirmed by...
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Dale replied to the thread I How do non-diagonal indices of a metric allow for local flatness?.It means that at any event in spacetime there exists a set of coordinates where the Christoffel symbols all vanish as do their first...
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Dale replied to the thread Site Usability nitpick -- Hyperlinks should be underlined.But do we have any actual evidence that underlining links promotes accessibility? I support the goal, but I am not convinced that this...
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Dale reacted to weirdoguy's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with Like.
It seems that you're not here to learn, but to argue. Telling physiscists that they haven't realized the complexity of issue when you...
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Dale replied to the thread B What reference frame is used for the velocity v in the Lorentz transformation?.Indeed. That requires experiments. The calculated results are consistent with a large amount of experimental data. In particular...