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jim mcnamara's latest activity
jim mcnamara
reacted to
mpeskin's post
in the thread
High Energy
Possible typo in Peskin & Schroeder's QFT Textbook (p. 666)?
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Like
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Murillo137 is correct. Equation (19.74) is copied from eq. (16.107) of Peskin and Schroeder. But, in Chapter 16, D_mu = (del_mu - ig...
Friday, 12:38 PM
jim mcnamara
reacted to
Frabjous's post
in the thread
I
Airplane crash probability fallacy
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Like
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The proper death rate for air travel is per trip (majority of crashes take place during takeoff/landing) while for car it is per mile.
May 13, 2024
jim mcnamara
reacted to
Ibix's post
in the thread
The Cass Report (UK)
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Like
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I think the point is that the lack of evidence doesn't only mean that we don't know if the treatment does anything, but also that we...
May 7, 2024
jim mcnamara
reacted to
Borek's post
in the thread
Very confused about Naunyn definition of acid and base
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I can be wrong, but it seems to me you are trying to understand the definition in terms of our todays understanding of what the acid is...
Apr 24, 2024
jim mcnamara
replied to the thread
Can you eat the Periodic Table?
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I'm pretty sure you would never survive consuming anything synthesized from Polonium, the KGB's favorite assassination tool. A small...
Apr 22, 2024
jim mcnamara
reacted to
Vanadium 50's post
in the thread
Other
What's the point of a thesis?
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And? I spent 15 years solving one problem. The field spent 49 years determining whether the Higgs mechanism was the correct...
Apr 21, 2024
jim mcnamara
reacted to
jedishrfu's post
in the thread
Potentially fatal dog parasite found in the Colorado River
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Texas has a similar dilemma in its waterways where dogs like to swim they get sick and die from a Cyanobacteria, an algae bloom...
Apr 9, 2024
jim mcnamara
reacted to
pasmith's post
in the thread
Solve the given inequality
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We require f(x) = \frac{x(11-x)}{(x-1)(x - 2)} < 0. The numerator and denominator have no common linear factors, so f changes sign...
Apr 9, 2024
jim mcnamara
reacted to
Frabjous's post
in the thread
I
Why charge density of moving dipole is dependent on time?
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Apr 5, 2024
jim mcnamara
reacted to
Steve4Physics's post
in the thread
Lagrangian Problem (Find Relation between Amplitude and Momentum)
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It may be worth noting that the thread is well over 2 years old!
Mar 31, 2024
jim mcnamara
reacted to
pinball1970's post
in the thread
Potentially fatal dog parasite found in the Colorado River
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Like
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The paper https://www.mdpi.com/2076-0817/13/3/245 From the introduction. "Heterobilharzia americana is a schistosome trematode endemic...
Mar 26, 2024
jim mcnamara
reacted to
morrobay's post
in the thread
Are all biological catabolic reactions exergonic?
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Like
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These diagrams illustrate what @Borek said: That is the total net effect , bond breaking/bond formation determines if reaction is endo...
Mar 20, 2024
jim mcnamara
reacted to
PhysicsRock's post
in the thread
I
Resources on the Derivation of generalized Stokes' theorem
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This is actually brilliant, because Stokes by itself works without a metric, but I'm still supposed to cover how one may appear when...
Mar 17, 2024
jim mcnamara
reacted to
Borek's post
in the thread
Are all biological catabolic reactions exergonic?
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Like
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Breaking bonds in only part of the process - some steps can be endergonic, yet the process as a whole can be exergonic.
Mar 13, 2024
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