Everything posted by Genady
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Freshwater Mussels are important and in trouble
The same single study from 2008. The rest is what could happen, I'd like to know if these bad effects in fact occur. Any new data? Preferably by a larger study?
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Freshwater Mussels are important and in trouble
It's emotions. I'd like to see data about the damage they cause. Thank you.
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Freshwater Mussels are important and in trouble
Yes, I know. We've discussed it almost a year ago.
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Freshwater Mussels are important and in trouble
It perhaps is. Somebody put it together. I don't know of an official body which maintains such a list. Maybe @Lady of Elms does? Or @CharonY?
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Interpretations of QM
To better understand this statement, or rather to understand it at all, may I ask if the computer in front of me exists in any meaningful ontological sense?
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Freshwater Mussels are important and in trouble
A species I had issues with being on this list is lionfish. It has been discussed in the old thread and I would like to know if there are new data on that:
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Freshwater Mussels are important and in trouble
They define invasive as Perhaps Burmese python would eat farm chicken thus "directly threatening human industry."
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Freshwater Mussels are important and in trouble
Here is a long list: List of invasive species in North America - Wikipedia
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Interpretations of QM
The guy doesn't know that this particular thing would overturn anything 😉
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Interpretations of QM
Not in his case. He in fact very much values efforts to fight diseases, hunger in Africa (he is from Germany), etc. This was my most effective argument so far. I told him, what if, for example, it will give us a way to get an unlimited energy from nothing?
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Interpretations of QM
For example, a neighbor of mine, retired dentist, keeps asking, why do we spend money on origin of the universe and such. I came up with some answers, but he is not satisfied. What would you say? Why do you feel so?
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Super sensitive single string hypothesis and extended periodic table
Why should they be multiplied rather than added? When the string doubles in the loop, shouldn't it negativity double as well?
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The Nature of Time
No, I did not, Yes, I admitted that I don't know the answer. I didn't know it because I didn't think about it in detail. After that, @Markus Hanke and @swansont have answered more specifically.
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Find optimum radian and diameter of convex mirror
What do you want to know about the curvature? See Curvature - Wikipedia
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Integral Gives Different Answers on Polar Coordinates
The first stop: I think these limits are wrong.
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Find optimum radian and diameter of convex mirror
I can't say because: 1) according to my calculations, the solution of the equation is about x=87 degrees 2) it is an angle rather than curvature But first you should check the assumptions leading to this equation.
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A wave of what? (split from How does the light from distant stars get to our eyes?)
Hmmmmm... Not sure how that happened. 🤔 Maybe I should blame it on @Genady. He explained how to quote text selections, and I probably quoted the quotation in your post. 😶 Hmmmm... I quoted a quotation several times and it worked fine. Just like this one above, nested in each other. But you need to select the quotation completely. Perhaps if you select it partially it gets messed up.
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What are you listening to right now?
I am listening to myself playing Aka Tombo on glockenspiel.
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North Sentinel Island Encounter
An overview here is very interesting (but doesn't include the encounter described in OP): North Sentinel Island: a timeline of the world’s most isolated tribe | Atlas & Boots (atlasandboots.com) PS. Perhaps a good model for humanity if we are ever visited by aliens.
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Interpretations of QM
Susskind said in one of his lectures something like, "Who knows what Heisenberg was smoking when he came up with the matrix mechanics."
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Interpretations of QM
Correct. (which was the Einstein's interpretation)
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Interpretations of QM
His interpretation was hidden variables. Bell came up with the test, after Einstein's death. The test refuted Einstein's interpretation.
- Interpretations of QM
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Interpretations of QM
Isn't it the Copenhagen interpretation? Then it's Copenhagen (for me). The non-Copenhagen interpretations seem to try to adjust QM to our classical intuition. It seems to me easier to adjust the intuition to QM.
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Interpretations of QM
Then it's Copenhagen (for me). Honestly, I don't understand this reference. Could you explain?