Itoero
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Posts posted by Itoero
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Ecologists in Australia are mixing endangered animals that have evolved genetic defences against their biggest foe(cane toad) with those that haven’t, in the hope that their offspring will take after the wiser parent. This is selective breeding… The plan is to save the the northern quoll (Dasyurus hallucatus) from extinction. I'm very curious if this will work.
On 1/12/2019 at 8:56 PM, Lifeisfluid said:Can insects ever be truly domesticated
It depends how you define domestication. Plants/animals can adapt to live with humans...
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17 hours ago, zapatos said:
You said "We use 'soul' to refer to a person without its physical body."
That's how it's mostly used but we use it as well to refer to an actual person. It depends on the context 'soul' is used in.
In the dutch language the literal translation of 'soul' is also used to refer to the inside of something...like the inside of a wine bottle.
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This is not about burnout/depression but this paper shows a link between religion and mental health.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3705681/
About religious/spiritual factors in depression https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3426191/ a quote: "A large and growing volume of research suggests that religious or spiritual (R/S) beliefs and practices may be used to cope with or adapt to stressful life circumstances."
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6 minutes ago, zapatos said:
If the poor soul died in the war, that makes it sound like the soul and the body are the same. Or at least that the soul is not independent of the physical body.
True, but this is just how people talk. They don't care if it's scientifically correct.
People also talk about the mind...
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2 hours ago, Phi for All said:
I don't think I ever would. Are you redefining the term "person" as "including unobservable and non-corporeal" to fit your argument?
No. That's just how many people I know use 'soul'. People that lie in a graveyard are often referred to as 'souls'.
It doesn't mean we actually believe they have souls, it's only how we often refer to them. There are graveyards with soldiers that died in the war. People often talks like this: "Pour souls that died in the war"
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14 minutes ago, iNow said:
It depresses me that the OP thinks this is in any way related to secularity or belief.
It's not what I think, it's a question. It's shown many times how religion improves social cohesion…...
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I know many people that go in or have been in depression/burnout.
What can cause this? It's very secular where I live, can this be related?
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Japan’s exit from the International Whaling Commission should encourage a stronger role for science.
The International Whaling Commission (IWC) has always existed in uneasy tension between those who want to protect whales and those who also want to eat them. Late last year, the tension finally snapped with the announcement from Japan that it is leaving. This was accompanied by a pledge that the nation will resume commercial whaling in the Pacific Ocean, and end its controversial research whaling programme in Antarctic waters.https://www.nature.com/articles/d41586-019-00076-2
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16 hours ago, MigL said:
The EH might be 'apparent', since it is only a mathematical construct, Itoero.
But it is also where all physical information regarding the BH is stored.The EH and AH (apparent horizon) are both mathematical constructs. The 'soft hair' which can be stored on the AH can't be stored on the EH...according to the theories...
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6 hours ago, Strange said:
Although the title is different, this seems to be the same: https://arxiv.org/abs/1808.01507
It looks interesting but will take some time to read
Stephan Hawking (and Perry, and Strominger) suggests that black holes might have 'soft hair' , low-energy quantum excitations that release information when the black hole evaporates.
This is a paper about Black hole entropy and soft hair:
"We are deeply saddened to lose our much-loved friend and collaborator Stephen Hawking whose contributions to black hole physics remained vitally stimulating to the very end. This paper summarizes the status of our long-term project on large diffeomorphisms, soft hair and the quantum structure of black holes until the end of our time together."https://arxiv.org/pdf/1810.01847.pdf
I think this 'denies' the no-hair theorem which postulates that all black hole solutions of the Einstein-Maxwell equations of gravitation and electromagnetism in general relativity can be completely characterized by only three externally observable classical parameters: mass, electric charge, and angular momentum.
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8 hours ago, Gowright said:
I think black holes are interesting
Correct way of thinking!
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32 minutes ago, MigL said:
Actually the 'Black Hole' is defined by the Event Horizon.
It's black and a hole because things, including light, fall in but cannot come back out of the Event Horizon.
The EH ( where as you say, Vescape = c ) is the only physical manifestation.
According to S Hawking it's rather an apparent horizon.https://arxiv.org/pdf/1601.00921.pdf
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The Southern Ocean is one of humanity’s allies, slowing global warming by absorbing heat and carbon dioxide from the atmosphere. But now researchers report that the choppy waters around Antarctica are also quietly belching out massive quantities of CO2 during the dark and windy winter, reducing the ocean’s climate benefit. https://www.nature.com/articles/d41586-018-07784-1
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Although black holes are objects of central importance across many fields of physics, there is no agreed upon definition for them, a fact that does not seem to be widely recognized. Physicists in different fields conceive of and reason about them in radically different, and often conflicting, ways. All those ways, however, seem sound in the relevant contexts. After examining and comparing many of the definitions used in practice, I consider the problems that the lack of a universally accepted definition leads to, and discuss whether one is in fact needed for progress in the physics of black holes. I conclude that, within reasonable bounds, the profusion of different definitions is in fact a virtue, making the investigation of black holes possible and fruitful in all the many different kinds of problems about them that physicists consider, although one must take care in trying to translate results between fields.https://www.nature.com/articles/s41550-018-0602-1
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Something strange is going on at the top of the world. Earth’s north magnetic pole has been skittering away from Canada and towards Siberia, driven by liquid iron sloshing within the planet’s core. The magnetic pole is moving so quickly that it has forced the world’s geomagnetism experts into a rare move.
On 15 January, they are set to update the World Magnetic Model, which describes the planet’s magnetic field and underlies all modern navigation, from the systems that steer ships at sea to Google Maps on smartphones.https://www.nature.com/articles/d41586-019-00007-1
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1 hour ago, Phi for All said:
Nothing about creativity or imagination, so he must not have agreed with what you're trying to do
You obviously don't understand the importance of imagination in science. You probably think 'imagination' is only for storytelling. Creativity is the use of imagination and is the ability to generate new ideas and new connections between ideas, and ways to solve problems in any field or realm of our lives. Especially in mathematics, creativity is essential.https://files.eric.ed.gov/fulltext/EJ750778.pdfhttps://phys.org/news/2009-12-creativity-mathematics.html
This is about creativity in science: https://www.sciencenewsforstudents.org/article/how-creativity-powers-science
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Albert Einstein said: "Science without religion is lame, religion without science is blind."
What did hen mean with this?
Was 'religion' rather a metaphor for creativity/spirituality/imaginativeness?
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15 hours ago, QuantumT said:
I've learned that small black holes are warm, and big ones are cold. And the big ones are the most intriguing.
But what I would like to learn is what happens to the heat. Is it wrong to assume that it escapes with Hawking radiation? If so, why?
I don't think you can make valid assumptions concerning the temperature.
I once read a paper (think of S Hawking) that stated it wasn't a real event horizon but an apparent horizon.https://arxiv.org/pdf/1601.00921.pdf
I didn't read this paper but this also suggests there is no event horizon. https://arxiv.org/abs/1710.09299
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27 minutes ago, QuantumT said:
(Sorry for any factual mistakes. I'm not a pro.)
You don't need to be a pro to know what the 'facts' are.
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On 1/5/2019 at 11:49 PM, Phi for All said:
Sometimes misinterpretations are clear and accurate...
That was my Itoero impersonation.
Yes but not this time. "That said, if you, Itoero, get a downvote on a post where you suggest modifying definitions of accepted terms so your arguments have more strength, it's probably from me. And you do it a LOT"
=>I don't suggest modifying definitions of accepted terms ...I just have a different opinions regarding many concepts. I often don't mean 'absolutes' yet you denied and ridiculed it when I said it.
Also, Strange and Dimreepr both said I hate religion, I suppose many people think that but this is not true. All 'bad' stuff I said about religion I backed up with Wikipedia and pubmed.
I for example said how the presence of the Jews enabled the holocaust and several people 'including Strange' assumed I said that Jews caused the holocaust.
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On 1/6/2019 at 1:42 PM, Eise said:
Not bad. For the first time I've given you a rep-point, for at least a momentary glimpse of light.
You can remove the reppoint, It was a google-quote.
On 1/6/2019 at 1:42 PM, Eise said:Spirituality does not explain reality. It strives for, as your first statement says, to feel the connection with what one supposes to be real.
Pffff...Of course it doesn't explain reality. People use it to explain reality and give meaning to reality. And "to feel the connection with what one supposes to be real." is one of many possible 'definitions'.
On 1/6/2019 at 3:35 AM, zapatos said:He did? Can you provide some sort of citation? I'd love to read about that. I'm not even sure what a "spiritual mind" is.
Spirituality can be the same as 'creativity' and creativity is very important in all science, including in mathematics….especi
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the soul
in Religion
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True, but the soul of a wine bottle is 'physical', the soul of a person not so much...