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How are humans going to become extinct?

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-Matt-
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PostPosted: 00:42 - 03 Mar 2014    Post subject: How are humans going to become extinct? Reply with quote

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Last year there were more academic papers published on snowboarding than human extinction.
Quite amusing in many respects https://www.bbc.co.uk/news/business-22002530

So - What if anything do people think is a potential threat to humanity?

Global warming, mass disease, terrorism, uncontrolled technological advances, social decline via social media... or WW3 nuclear war after Russia invades the Ukraine.

Are we actually in anymore danger than the last few centuries Thinking
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Benno
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PostPosted: 01:18 - 03 Mar 2014    Post subject: Reply with quote

Does he really think it's going to happen within a century?

If we go extinct within a hundred years it will have to be because aliens glass the whole planet with plasmaphaserthermonuclear bombs, or a giant asteroid strike, or the core suddenly explodes. Human extinction will most likely be an extremely long and drawn out affair. Nobody is hunting us, and barring a major catastrophe like an asteroid strike, we're going to be just fine.

That said, there could be a nanoplague unleashed by a dark government research facility that kills us all. But probably not. But who knows? AIDS could become airborne, or even mutate into giant godzilla-type creatures and slaughter us all. Now THAT would be a real pandemic.

The dinosaurs themselves didn't die out in a day, did they?
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smegballs
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PostPosted: 01:45 - 03 Mar 2014    Post subject: Reply with quote

Obviously it's unthinkable to us, and the likelihood on any one day is infinitesimally small, but of course historically mass extinctions can and have happened.

I think human extinction is pretty unlikely in the near future, but some kind of "happening" that has major implications of the way we live our lives is moderately likely. A big thing of course is the oil situation, the whole planet consumes (quite literally), moves and works on a finite energy source that may not be around for too much longer. IIRC the jury is still out on whether global production has peaked or not yet.

I'd also I'd expect to see things like increasingly antibiotic resistant bacteria to play a part, agricultural pests that are more and more resistant to pesticides etc. Nothing that will make millions die overnight, but things that make the death rate marginally higher and make it that bit harder to grow enough food every year.

My take on the whole peak oil/climate change etc etc, thing is just to have fun. If I don't use that petrol up, someone else will. I might as well fly on planes, and razz around on bikes because someday in the future, it's not unlikely that I won't be able to do it anymore. The way I look at it: I'm not planning on having kids, so pretty much nothing I can do (short of becoming a millionaire and having a shit ton of money to spend) in terms of my personal consumption is going to use as many resources as raising kids and then that kids consumption through his/her life, not to mention potential for grandkids etc. Which IMO gives me license to not feel bad about doing "bad" for the environment stuff.

In a certain way I think we are in a kind of twilight of humanity atm, it's still nice and warm sitting on the terrace; so I will enjoy myself in the present and not worry to much about the impending nighttime.
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metalangel
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PostPosted: 01:52 - 03 Mar 2014    Post subject: Reply with quote

Slow news day? Or bored journo with an apocalyptic fiction fetish wanked too many times to Rust and decided to use his connections to bother some real eggheads about his fantasies of living in a corrugated shack stabbing other people to death for their baked beans?
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pinkyfloyd
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PostPosted: 02:06 - 03 Mar 2014    Post subject: Reply with quote

We are going to breed ourselves into stupidity and then kill the earth.

Just look around you at the youth of today. They are the future, they are going to be teaching your grandkids. I wouldnt trust most of them with the remote for the TV let alone the world!
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Benno
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PostPosted: 02:06 - 03 Mar 2014    Post subject: Reply with quote

metalangel wrote:
Slow news day? Or bored journo with an apocalyptic fiction fetish wanked too many times to Rust and decided to use his connections to bother some real eggheads about his fantasies of living in a corrugated shack stabbing other people to death for their baked beans?


The latter. News has been pretty intense lately Laughing

With the factors smegballs mentioned in mind, human extinction is probably going to simply be a case of population growth declining over many generations and then beginning to decline as a result of those factors all stacking up. Eventually states will become weaker and weaker, to the point at which they cease to function and exist. Civilisation will not crumble, it will fade ever so slowly. Whatever finishes off the last few humans after that is anybody's guess, they may continue to survive as small tribes, but if resources truly are that scarce they might just die off.

Seriously guys. We need to into space. We can't just Poland around on Earth until we all die!
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smegballs
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PostPosted: 02:34 - 03 Mar 2014    Post subject: Reply with quote

Arithmetic, Population and Energy

https://www.youtube.com/watch?v=cOrvGDRLT7A

This is a good one to watch, and not based on hippy woo-woo shit.

A graph used that I like is this one (sorry for low res)

https://i.imgur.com/SXxEAgU.png

Y axis is amount of energy available for use by humans
X axis is time: present day +-5000 years

The pulse the period where humanity is discovering and using fossil fuels. I don't think our 7+ billion people have a good chance of being fed once we move outside of the shaded zone....
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Rogerborg
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PostPosted: 09:06 - 03 Mar 2014    Post subject: Reply with quote

We're not going to become extinct. There are enough of us[*] still living off of the land who will survive just about anything short of a direct impact from Nibiru.

We will have a massive die-back under the following circumstances:

1. Dinosaur killer asteroid impact.
2. Super volcano.
3. Nuke shooting war.
4. Oil and gas properly run out and we belatedly realise that "renewables" are a scam. Then comes the glacial period. Then the morlocks.

[*] If you're reading this, you're not part of that "us".
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Skudd
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PostPosted: 09:45 - 03 Mar 2014    Post subject: Reply with quote

There will be a mass clearance due to the odd nuclear accident/stupid religion/natural event. Then what is left will be worked on by the few.
People will survive by luck not by design.
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dydey90
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PostPosted: 09:47 - 03 Mar 2014    Post subject: Reply with quote

We'll never go extinct, unless it is this century. We should have enough resources to sustain ourselves that long.
Within 50 years we should have the ability to construct a space elevator. This means dry docks for spacecraft, like the Enterprise.
NASA are already working on warp drives, no doubt they'll be able to tell us if it's possible before we start building the first capital ship.

Once we have the ability to travel to other planets, we can extract resources from them. Even if Earth does kersplode at that point, humanity can live on Battlestar Galactica style.
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ThoughtContro...
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PostPosted: 09:48 - 03 Mar 2014    Post subject: Reply with quote

Rogerborg wrote:
We're not going to become extinct.


Of course Homo Sapiens will become extinct at some point. It's just a case of when. Within the next 100 years or millions.

You omitted the most powerful player in this postage stamp system off your list, the Sun. As long as it remains stable, then conditions for life on Earth at present are favourable. If it's conditions and output changes, then it's more than likely Bye bye human race, and most other current life forms on the planet. How's life on Venus and Mars doing? Wink
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AlanC
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PostPosted: 10:27 - 03 Mar 2014    Post subject: Reply with quote

Eta Carinae is going to go hypernova one day. Neither of its poles are pointed at the earth, so the gamma ray burst won't hit us, but if it did it'd be equivalent to about a kiloton of TNT per square kilometre of the earth's surface on the side of the planet facing the star. And this from something 7,500 light years away.

The Wolf-Rayet star WR104 is about 8,000 light years away, and one pole is pointed in our general direction. When it blows up we may be in trouble...
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Ribenapigeon
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PostPosted: 10:29 - 03 Mar 2014    Post subject: Reply with quote

I don't think extinction is likely any time soon. What is more likely is some global fuckup which will throw humanity back to the stone-age so disabling humanity from developing the technolgy to escape earth and condemning us to a fiery death when eventually the sun collapses.
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Lord Percy
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PostPosted: 10:30 - 03 Mar 2014    Post subject: Reply with quote

Nuclear war or massive asteroid. They're the only things, in my opinion.

The only thing that could truly fuck us over is something that ruins the atmosphere for more than one generation.
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Hetzer
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PostPosted: 10:48 - 03 Mar 2014    Post subject: Reply with quote

Or if MBT theory is correct, nothing will be allowed to make us extinct.
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Im-a-Ridah
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PostPosted: 11:26 - 03 Mar 2014    Post subject: Reply with quote

It's a balance really. Obviously there are lots of people who are excessively paranoid about it, mostly relgious people and Americans, but there are many who don't make suitable plans for civil contingency, the government for example. We've seen an excellent case of the latter in Somerset recently. The core problem with "mass disasters" is the huge number of potential causes, and each requires vast spending in order to prepare for, to the point that most government spending would be preparing for extremely unlikely events. One would then have to consider whether the money would be better spend a fraction of that on a cancer screeening programme, or on treating heart disease instead, right now, and the answer is statistically going to be yes.

Lord Percy wrote:
Nuclear war or massive asteroid. They're the only things, in my opinion.

The only thing that could truly fuck us over is something that ruins the atmosphere for more than one generation.


Nuclear war couldn't do it. The "nuclear winter" theory is debunked. Viruses/Bacteria are the most dangerous IMO, simply because they spread so easily in the modern world, and could be hard or impossible to treat. Asteroids are extremely unlikely, and the most dangerous ones have all been mapped IIRC. There are unmapped ones that could cause extensive damage and death, but they're unlikely to hit an urban area, and in any event would be regional. There's the EMP/solar flare/blackout scenario, but IMO it's massively exaggerated.
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dydey90
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PostPosted: 11:36 - 03 Mar 2014    Post subject: Reply with quote

Hetzer wrote:
Or if MBT theory is correct, nothing will be allowed to make us extinct.


I googled this, it returned 10 hours worth of physics seminar.

Can we get the abridged version?
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Hetzer
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PostPosted: 11:58 - 03 Mar 2014    Post subject: Reply with quote

dydey90 wrote:
Hetzer wrote:
Or if MBT theory is correct, nothing will be allowed to make us extinct.


I googled this, it returned 10 hours worth of physics seminar.

Can we get the abridged version?


MBT: The source consciousness was 'born' from a void and created our reality (universe) and consciousnesses in order to reduce entropy, thereby improving its (and our) consciousness.
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-Matt-
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PostPosted: 12:19 - 03 Mar 2014    Post subject: Reply with quote

Interesting to read everyones opinions Razz
Im-a-Ridah wrote:
Viruses/Bacteria are the most dangerous IMO, simply because they spread so easily in the modern world, and could be hard or impossible to treat.
I'd be inclined to go with this being the only one with potential for actual extinction besides the absolutely unavoidable of exploding stars/earth splitting meteorite.

Would admittedly have to have a lot of specific criteria to be a Virus/Bacteria with potential to survive between infected people/remain in the air/amongst plants and animals long enough to fully wipe people out, but presuming we wouldn't continue life in an underground cave never coming to the surface again, it could eventually wipe everyone out faster than people could repopulate.

Given the right criteria personally I think its potentially more likely to wipe people out than it would of in the past, simply due to everything being globally linked and constant mass travelling now days. Theres been plenty of plagues and flu's that got a lot of people in the past and the world recovered even without anti biotics [not that they're likely to be that useful since being given out like smarties, and with the rate bacteria are adapting now days Rolling Eyes], but if it was something lethal enough - could be curtains for humans, perhaps Razz
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Lord Percy
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PostPosted: 12:37 - 03 Mar 2014    Post subject: Reply with quote

Im-a-Ridah wrote:
Viruses/Bacteria are the most dangerous IMO,


I was thinking disease would be hard pressed to render us extinct because there are certain populations who are so far removed from the rest of the world that they're essentially quarantined anyway. eg Amazonian tribes. Also some people are miraculously immune to things anyway, so natural selection would just happen again. Eg some prostitutes in Africa have been seen to carry HIV and spread it but never come down with AIDS themselves.

I really think the only way to kill us would be for something to make a mess of the atmosphere. But ok maybe not not nuclear war. Perhaps an environmental catastrophe of such proportions that the entire climate of the planet is changed for centuries?

We are quite a hardy species though, come to think of it.
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smegballs
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PostPosted: 13:28 - 03 Mar 2014    Post subject: Reply with quote

The space thing is one thing that I like to use to counter anit-capitalists.

"A system requiring infinite growth in a finite environment is doomed to fail."

That statement is of course true. When you open up the potential for using the solar system (we'll keep it local for the time being) there is a ridiculous amount of potential resources out there, that means all of a sudden resource availability isn't going to be limiting factor in human expansion anymore.

Take an oilfield. There are plenty of oilfields out there with plenty of oil in them, but current oil prices combined with current extraction technology means that it would take more money to extract the oil that what it is worth mean that it is uneconomically viable to extract at present. As oil becomes more scarce and prices rise it may well become profitable to extract, at the same time rising oil prices, and the potential for profit contained within, drives research into new extraction techniques for difficult wells that previously weren't worth bothering with.

I imagine the same thing will happen with space mining. At some point, minerals we need are going to become rare as fuck here on earth driving prices sky high. At this point some bright spark realises "hey if I bring back a few tons of palladium back from an asteroid I'll be rolling in coke and hoes for the rest of my life". Cue billions of dollars being invested in space mining technologies and a massive proliferation of said tech.

When you consider the NASA budget is only about $25bn, think of all the cool shit they could do if they actually had a fraction of say the US medicare/medicaid/military budget. I can't wait till space stuff actually fulfils some financial purpose and the investment floods in. IIRC NASA scientists have all sorts of cool projects planned by is crippled by a lack of funds.
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Lord Percy
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PostPosted: 14:03 - 03 Mar 2014    Post subject: Reply with quote

I think the relation between 'cost' and 'long term resource issues' is kind of moot, because money is a human construct for general trade and accounting, whereas the physicality of the resources is definite and properly observable.

So yeah you could pour loads of money into getting more resources. But surely it makes more sense to say, 'pour loads of resources into getting more resources'. And then the most important factor is simply the balance and cycle of resource usage.

A technique that won the Nobel prize in economics in 1973 is the Input-output model (yes it's apparently linked with socialism, booo hissss, but I actually learned it in a maths book), which is a model that takes into account all the input resources, considers their consumption and demand, and the amount of resources that are outputted at the end of the whole process. The great thing about it is that it doesn't involve money at all. It's basically a case of:

(X wood + Y coal + Z oil)available --->
---> is used/depleted/recycled by local/national requirements --->
---> (P wood + Q coal + R oil) leftover/deficit.

So you can really see how things will shape out at current consumption levels. And because it's a mathematical model, you can do tests, eg, "What if our oil consumption increases to X barrels per day?" and you can see if your economic resource system can cope with it. Quite genius actually. My explanation is far too simplistic to give it any credit.

I do wonder if many governments actually use this model. Or if they casually ignore it because we now all live under the paradigm of 'growth is good', without actually considering the use and distribution of what we have finitely available to us.

Sorry, massively off-topic.....
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fatpies
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PostPosted: 14:08 - 03 Mar 2014    Post subject: Reply with quote

Lord Percy wrote:

I do wonder if many governments actually use this model. Or if they casually ignore it because we now all live under the paradigm of 'growth is good', without actually considering the use and distribution of what we have finitely available to us.

Sorry, massively off-topic.....


China did in 1979. They wanted to maintain a land vs population ratio, and therefore instituted a one child policy. 34 years on they are rescinding it because they can't raise the retirement age (50 in China).
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-Matt-
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PostPosted: 22:49 - 03 Mar 2014    Post subject: Reply with quote

smegballs wrote:
When you consider the NASA budget is only about $25bn, think of all the cool shit they could do if they actually had a fraction of say the US medicare/medicaid/military budget. I can't wait till space stuff actually fulfils some financial purpose and the investment floods in. IIRC NASA scientists have all sorts of cool projects planned by is crippled by a lack of funds.
I've wondered about this before and whether the budget is as small as it seems - or perhaps just gets diverted along with many of the programmes and their relevant NASA staff to military projects that just fall under classified black budget defence spending. For example half the ''science'' projects relating to flight proposed by NASA employees may well already be under development or even in use with flight testing at groom lake etc - the rest maybe just get nicked and classified outside NASA's reach.

Maybe more convienient to just classify and hide the spending of a lot of the projects if they are potentially valuable for defence reasons Razz
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Im-a-Ridah
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PostPosted: 00:34 - 04 Mar 2014    Post subject: Reply with quote

-Matt- wrote:
smegballs wrote:
When you consider the NASA budget is only about $25bn, think of all the cool shit they could do if they actually had a fraction of say the US medicare/medicaid/military budget. I can't wait till space stuff actually fulfils some financial purpose and the investment floods in. IIRC NASA scientists have all sorts of cool projects planned by is crippled by a lack of funds.
I've wondered about this before and whether the budget is as small as it seems - or perhaps just gets diverted along with many of the programmes and their relevant NASA staff to military projects that just fall under classified black budget defence spending. For example half the ''science'' projects relating to flight proposed by NASA employees may well already be under development or even in use with flight testing at groom lake etc - the rest maybe just get nicked and classified outside NASA's reach.

Maybe more convienient to just classify and hide the spending of a lot of the projects if they are potentially valuable for defence reasons Razz


If they wanted to hide spending on a defence item then they would just use the existing defence black budget, not least because at $50 billion (2012) it's about twice the size of the NASA budget.
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