jim mcnamara's latest activity
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Just remove the question from "defense contractors" and think about it for any job in engineering. The engineering challenges at, say... -
jim mcnamara reacted to vela's post in the thread Insights Fixing Things Which Can Go Wrong With Complex Numbers with
Like.
Isn't the complex logarithm traditionally denoted ##\log##, not ##\ln##? I noticed in a couple of places you used principle where you... -
jim mcnamara reacted to Mark44's post in the thread Finding the nth roots of a complex number with Like.
The above is an expression, not an equation or inequality. Technically speaking, you can't "solve" an expression. A better formulation...
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jim mcnamara reacted to fresh_42's post in the thread A Should the boundary condition have to satisfy dimensional consistency? with Like.
I like to think of differential equations as vector fields, e.g., the predator-prey system, The initial conditions determine where...
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jim mcnamara reacted to Dale's post in the thread I What does equiprobable mean in the context of thermal motion? with Like.
On average that is true. So the numbers 0.188, 0.268, and -0.456 are randomly distributed from a standard normal distribution, but none...
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jim mcnamara reacted to BillTre's post in the thread Biology Prove that evolution is constant (Provide at least two arguments to support your position) with Like.
Start with a single species. It has some feature that is adaptive (makes it more likely that it and its offspring will survive and...
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Uh ... I got it in a hospital and it had no trouble with it. They put a small amount of gunk up my nose and kept me quarantined for a...
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jim mcnamara reacted to Baluncore's post in the thread A Gas sensing using VASP software (computational physics) with Like.
VASP - Vienna Ab initio Simulation Package https://www.vasp.at
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This is very counterintuitive ! Has no one noticed this previously ? What if the drop falls onto a liquid surface ? Gobsmacked, I am.
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jim mcnamara reacted to renormalize's post in the thread A Error in Landau-Lifshitz Vol 2, equation (2), page 277 with Like.
Physics Forums is hosted in the USA, where copyright law allows limited "fair use" of protected materials for, among other reasons...
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jim mcnamara reacted to phinds's post in the thread Announcement Please welcome berkeman as PF Admin with Like.
Great news indeed. Now we can ALL bother him instead of just me :smile:
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The Staphylococcus aureus cells have a main cellular chromosome which is very large and circular. It is common for bacteria to also...
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I suggest that it is important to call out fearmongering for what it is. That being said, it is not, and should never be, used as an...
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jim mcnamara reacted to Baluncore's post in the thread I Could anyone give me a step by step guide to using VASP for DFT calculations? with Like.
VASP = Vienna Ab initio Simulation Package. DFT = Density Functional Theory.
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https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024JF008118 A recent paper on the attempts to estimate when and how massive the...