marcusl's latest activity
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Mmarcusl reacted to Dale's post in the thread Graduate Horizontal component of the electric field of an infinite uniformly charged plane with
Like.
Why? It seems very clear that for every point “up and to the left” there is a symmetrical point “down and to the right”. Using that fact... -
Mmarcusl reacted to PeroK's post in the thread Graduate Horizontal component of the electric field of an infinite uniformly charged plane with Like.
If you have have linear wires, then the linear charge density must tend to zero, as the number of wires increases. You end up with...
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Mmarcusl reacted to Dale's post in the thread Graduate Horizontal component of the electric field of an infinite uniformly charged plane with Like.
Do you have something against symmetry? I mean, is there a specific reason that you are going out of your way to avoid using symmetry?
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MDo human rules apply to Erdos? He was a Martian
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Mmarcusl reacted to FactChecker's post in the thread Undergrad Please Explain (actually explain) The Monty Hall Problem with Like.
A mathematical proof (there might be others) is based on Bayes' Rule. You can use that to directly calculate the probabilities. If you...
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Mmarcusl reacted to Dale's post in the thread Undergrad Please Explain (actually explain) The Monty Hall Problem with Like.
Another way to show that this is a false claim is to directly calculate the amount of information entropy before and after opening the...
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Mmarcusl replied to the thread Job Skills Physics Careers: Expectations vs. Reality.You've asked for a reality check. I find it sad to see how unrealistic your physics expectations are. You want support and free license...
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Mmarcusl reacted to CrysPhys's post in the thread Job Skills Physics Careers: Expectations vs. Reality with Like.
I read through your extended rant. I haven't the time to go through a point-by-point rebuttal of the many factual errors and...
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Mmarcusl reacted to CrysPhys's post in the thread Job Skills Physics Careers: Expectations vs. Reality with Like.
Whether this idea floats around out there (where? the aether?) is moot. A student contemplating spending 6+ yrs to earn a PhD in...
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Mmarcusl reacted to jedishrfu's post in the thread Looking for movies where mathematics actually matters with Like.
The TV series NUM3ERS had math as the backdrop for each episode. Sometimes the math is a bit of a stretch since the writers first...
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Mmarcusl reacted to Baluncore's post in the thread Undergrad Capacitor Voltages at t = 0: Zero or Split? with Like.
Welcome to PF. An impossible situation has been hypothesised. If V1 is an instant step function, then it must instantly charge the two...
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MOP: welcome, but this is not the best place for paradigm shifting. It's On the list: #19
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MI think long term storage gives chemistry time to work. Following the condensation of moisture, adsorption onto the internal surfaces...
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Mmarcusl reacted to renormalize's post in the thread Undergrad The imaginary part of the wave function with Like.
I don't see that at all. Consider, e.g., Griffiths & Schroeter, Introduction to Quantum Mechanics (3rd ed.) in which the authors solve...
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MI don't understand! His reply is spot on.