Everything posted by Genady
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Overpopulation in 2023
I too value other species and hate to see that. But it does not answer the question.
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What is the nature of our existence?
Can you clarify your statements with an example? If you don't mind, please describe the Pythagoras theorem in your terminology.
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Overpopulation in 2023
Is the Earth overpopulated?
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Planetary Defense: Shielding Earth from Asteroids
It also would have to be all the bacteria and archaea which live within the larger organisms, and which are necessary for these organisms' functioning.
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Thoughts on religion
You are right, 'null' is not strictly applicable here. I use it here rather in the sense of 'default setting.' (Re: )
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Thoughts on religion
You might be just an atheist in disguise, like the ones described here (from the same wiki article): 😄
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Cosmological Redshift and metric expansion
Wanted to add a couple of examples to my previous comment and to demonstrate why this ^^^ is incorrect. One example is metric that measures number of colored pixels. In this metric, the second shape is larger than the first. Another metric is square of difference between the pixels in vertical and in horizontal directions. In this metric, the first shape is larger than the second.
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Thoughts on religion
I think it is rather a different aspect of the question. Agnosticism is about knowledge. Atheism is about attitude.
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Thoughts on religion
Yes, but as a matter of curiosity, here are three different atheisms, from Atheism - Wikipedia: There are more nuances described in the article. You seem to refer to the "narrow atheism". I'd call myself tentatively, a rational atheist or simply, a non-believer.
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Thoughts on religion
Maybe I am wrong, but agnosticism sounds to me like a model with two or several alternative hypotheses, while I prefer a model with one null hypothesis and one or more alternative hypotheses. This is why I'd like to have a different label.
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Thoughts on religion
Or to change them, right?
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Thoughts on religion
Then we are back to my previous question: assuming that atheism is a belief that no deities exist, what is the correct label for taking not existence of deities as a null hypothesis rather than a belief?
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Thoughts on religion
This truth is so simple that it is trivial and irrelevant. We don't know if neutrinos have mass. We don't know if there ever was life on Mars. Etc. End of story?
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Thoughts on religion
I disagree that every null hypothesis is a belief. I think it is a wordplay.
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Cosmological Redshift and metric expansion
Yes, I do. So, the rest of the conclusions are wrong. Coordinates don't say anything about the length, area, and volume. Coordinates are arbitrary. Expansion of space is a solution of the field equation in these conditions.
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Thoughts on religion
The idea of a null hypothesis is that it is not to be proved. It rather holds until refuted.
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Thoughts on religion
How do you call it if it is not a belief but rather an assumption, a null hypothesis?
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Help with equationss
The OP is asking about but there are no equations.
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Class of '23
- What are alternative formulations of GR?
Did you happen to evaluate his previous book, Visual Complex Analysis? Would like to know your opinion if you did.- Planetary Defense: Shielding Earth from Asteroids
Why we would need to store DNA, when we could just store the sequence?- Planetary Defense: Shielding Earth from Asteroids
On the one hand, On the other hand, Thank you all for presenting arguments from two different perspectives. I am not neutral anymore, at least for the next 65,000 years. Then, we can discuss it again. Why this number? The last catastrophic asteroid event has occurred 65 million years ago. Assuming we are in a random point between that and the next similar event, with 99.9% confidence we have at least 65,000 years until the next one. If it happens sooner, somebody will perhaps update the probabilities using Bayesian inference.- Cosmological Redshift and metric expansion
No, not everything is expanding. Only the space on scales of 100 Mpc and up is expanding. The redshift is caused by expanding of the light wavelength together with the expanding space on these scales.- Planetary Defense: Shielding Earth from Asteroids
This seems like humans becoming "nomadic aliens", which have been discussed a bit here: https://www.scienceforums.net/topic/129082-are-uapsufos-finally-being-taken-seriously/?do=findComment&comment=1242201- Planetary Defense: Shielding Earth from Asteroids
I don't think so. But regardless, what does stop us from storing DNA up there now? - What are alternative formulations of GR?
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