SiennaTheGr8's latest activity
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SSiennaTheGr8 reacted to Ibix's post in the thread High School A question about special relativity with
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It depends what you mean by "slowly". If you mean "if I, at rest on the ground, were to take a series of close-up pictures of the fast... -
SSiennaTheGr8 replied to the thread High School Lorentz Transformation of Electric & Magnetic Fields Visualized.Heaviside–Lorentz units with c=1. They're mentioned there somewhere I think, but I should make it more prominent.
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SSiennaTheGr8 replied to the thread High School Lorentz Transformation of Electric & Magnetic Fields Visualized.I've made some more improvements to this app, including: Made the two-column desktop layout more convenient: the visualization remains...
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SSiennaTheGr8 reacted to Sagittarius A-Star's post in the thread Undergrad Why is the Lorentz Force always perpendicular to velocity? with Like.
For geometric intuition: In Geometric Algebra, the electromagnetic bivector can be written in the following way as the sum of a...
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SSiennaTheGr8 reacted to FactChecker's post in the thread Undergrad Why is gravity a fictitious force? with Like.
I personally think that GR's explanation of why ##M_i=M_g## is one of the most intellectually satisfying things in physics.
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SSiennaTheGr8 replied to the thread Undergrad KE of rotating disc.To clarify, what do you (and presumably other commenters in this thread) mean by "total" mass here? Do you mean the mass of the disc, or...