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Quite true. I'll be honest, I was mostly carrying on with myself as a bit of a meme. I genuinely have no idea and I decided to pull something out of my arse to continue the joke. You're right though.

 

Here's one - you are caught behind the barrel of a gun next to a near perfect clone of yourself. In order to stop yourself from getting shot, what distinguishing physical feature do you show that you assume the cloning process missed to prove that it's really you?

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It's gotta be scars. Assuming your clone was vat grown and had an abnormally fast gestation and aging process they're likely to be lacking in any of those distinguishing injury marks. 

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13 hours ago, Rhoda said:

Here's one - you are caught behind the barrel of a gun next to a near perfect clone of yourself. In order to stop yourself from getting shot, what distinguishing physical feature do you show that you assume the cloning process missed to prove that it's really you?

Both my arms look normal otherwise but when outstretched one arm appears straight while the other arm appears somewhat bent. Some who I know are familiar with this feature of mine but I'd assume that since my arms look normal or similar otherwise whoever cloned me may not know of this and so I'd have both me and the clone extend our arms and I would hope the clone would have regular straight arms which would show that that isn't me and hopefully this way I avoid getting shot! 

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If a superior extraterrestrial biological entity (EBE) would appear on earth, what consequences would you assume in terms of society, economy, religion or anything other important?

 

Scenario premises:

-This scenario explicitly excludes the possibility of "it" beeing von-Neumann-probes or anything not biological.

-This scenario could (but must not) include a governmental announcement before first appearance.

-This scenario explicitly must have an appearance, which is absolutely undoubtable believable (no way to ridicule, no conspiracy in any way or media fake).

-This scenario explicitly excludes the possibility of the EBEs beeing malicious with intent ("invasion scenario" or similar).

 

Edited by NaidRaida
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On 10/8/2020 at 8:20 PM, NaidRaida said:

If a superior extraterrestrial biological entity (EBE) would appear on earth, what consequences would you assume in terms of society, economy, religion or anything other important?

Anything that can make its way here from outside Sol, and that's pretty much a given for anything intelligent and extraterrestrial at this point, is going to outclass us technologically many orders of magnitude worse than colonists did the new world natives. The least disruptive option is that they stop by, catalogue us, or whatever, and go on their way not considering the place worth any sort of exploitation. That will still send ripples through all aspects of society, and yeah, I suspect religion will take a beating, especially Abrahamic religions, and that might trigger some revolutions and wars here and there, but it's mostly business as usual.

 

If they opt to stay, though? Or establish trade routes? We're done as civilization. At best, we become part of their civilization, at worst eradicated, and it doesn't even depend on them being hostile or not. So discussing our society, religion, and culture at this point is meaningless. It'd be their society, religion, and culture, and how we fit in, if at all.

 

I don't think there's anything in between. No transformative option for our culture from such an encounter. It's either a mild influence from a brief contact or a complete destruction of our culture from a prolonged one.

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Okay, I can understand your points. All logic. I like how some astronauts just say: Best thing would be: they just fly by, without further notice. Which is most logic, as you and me also don't talk to ants in the wood. With absolute superior drive technology (premise) I can also see no logic argument for invasion or interest in mineral deposits. If they have some kind of humor, they maybe just vaporize the planet just for fun. You and me also don't mind putting some nasty firecrackers between the ants. But I like such mind experiments. If I could stand a direct contact? Psychologist might say: The sheer terror (shock) of an encounter would give you a complete nervous breakdown. But that depends alot on our (media-)view right now, if it look like a monster from a movie, our reaction would be appropriate (shock&chaos). But if it look like Boris Johnson during windy weather, we might just laugh. Anyway, I would risk that -maybe last- breakdown. Just by knowing there's more than only empty room, or no room at all, or only dust and fusion, radiation or just bacteria and another lame quasar. That's kind of boring. Maybe the universe is boring, just another theory. Thanks for replying.

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51 minutes ago, NaidRaida said:

Anyway, I would risk that -maybe last- breakdown. Just by knowing there's more than only empty room, or no room at all, or only dust and fusion, radiation or just bacteria and another lame quasar. That's kind of boring. Maybe the universe is boring, just another theory.

This reminded me of that quote that goes like "Either we are alone in the universe or we are not. Both are equally terrifying". While this discussion is on, would like to know opinions here on what you think is more terrifying? 

Edited by Utopianthumbs
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^Uff, I felt asleep while thinking about a proper answer. Typing this and typing that, but this goes way beyond this topic i think to properly express this.

 

You can play all kinds of scenarios in your head. Both scenarios are full of fear. Anyway, I personally search for answers in both ways because both approaches are pure theory.

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7 hours ago, NaidRaida said:

With absolute superior drive technology (premise) I can also see no logic argument for invasion or interest in mineral deposits.

Again, I kind of think of colonists and natives. An alien civilization might have ways to exploit us or our resources that we aren't even imagining right now. Earth is by no means unique, and in the grand scheme, intelligent life is probably all over the place, but universe is big, and if they can "only" travel a few hundred light years, maybe there's something here worth fighting or negotiating for because there are only a few places with such resources within reach. But whether they take a militant or peaceful approach in this, we're done. It might not even be a bad thing if we get assimilated into an alien culture, but it is, nonetheless, end of human civilization.

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Anyone here uses mild shampoo (shampoos that are sulfate free)? My scalps is rather sensitive so I really need to switch. I am mainly looking for ones that work well against dandruff and greasy hair but I will take any mild shampoo recommendations.

Edited by GhettoJesus
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^ hope you don't mind me asking my question in the middle like this, just that this has been annoying me for a while

 

Ever since I purchased my current earphones my phone volume would randomly go down to mute every now and then when connected to the earphones. It was quite irritating but me being a cheapskate would tolerate it, but now the opposite happened and my phone volume turned all the way up. This is extremely irritating and while I'll get new earphones I'm wondering if someone can explain how the phone volume randomly changes on its own like this, what's going on? 

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On 10/12/2020 at 5:17 PM, GhettoJesus said:

Anyone here uses mild shampoo (shampoos that are sulfate free)? My scalps is rather sensitive so I really need to switch. I am mainly looking for ones that work well against dandruff and greasy hair but I will take any mild shampoo recommendations.

I have very bad dandruff due to eczema, I have to use gentle shampoos, I find the Elave range excellent.

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1 hour ago, The Time Ranger said:

I have very bad dandruff due to eczema, I have to use gentle shampoos, I find the Elave range excellent.

Cool I will check it out once it's back on stock on Amazon.

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How did the coronavirus spread to this extent? Even considering the lack of a vaccine I don't understand how it became so widespread that almost every country is suffering from it. What made it different from swine flu which also threatened but never grew this dangerous and one day seemingly just disappeared from the news? 

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38 minutes ago, Utopianthumbs said:

How did the coronavirus spread to this extent? Even considering the lack of a vaccine I don't understand how it became so widespread that almost every country is suffering from it. What made it different from swine flu which also threatened but never grew this dangerous and one day seemingly just disappeared from the news? 

Good question. I guess it comes down to incubation time.

 

A/H1N1 had a incubation time of about a a couple of days to about a week, so those infected would know of their condition earlier, while people infected with SARS-CoV-2 will show symptoms about 1 - 2 weeks after infection, if they show any symptoms while remaining contagious.

 

As the logic goes: the sooner you are aware that you're sick, the sooner you can self-isolate and track down those close to you that might be infected, which can be difficult if you're down with coronavirus.

 

I'm not very familiar with the history of the 2009 swine flu pandemic, but we got to consider the international attitude to the outbreak in Wuhan. Most weren't too concerned with it, as it only seemed to be an epidemic which the Chinese government should be able to contain, but as it started showing up in Austria and Italy and spreading to the rest of Europe, everyone in the EU knew the Wuhan outbreak was greatly underestimated.

 

Again, this is just pure speculation, but as a conclusion, the reason why coronavirus has gotten out of hand is down to its genetic makeup versus the one of H1N1, and how greatly underestimated the severity of the disease was in the beginning.

 

 

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Any good advice for long-lasting brain fog after weed? I had a brownie on saturday and I still have a few problems with time and space, and short term memory. I've posted here about a similar issue, but that time, the overdose was much more severe and I had serious brain fog for a week straight. I must have had around half the dose this time, and it comes and goes. I started out this morning thinking it was over, though after watching some procedings on TV for a couple of hours, I started getting a bit foggy again. I'm drinking a ton of water, eating nutritious food, and trying my best, but it usually gets worse when I get to work. This is where it's the most problematic. Any and all advice taken.

Edited by mr quick
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I don't think it's fundamentally different from any other neurotransmitter depletion. Sleep, exercise, nutrition. Drink some coffee for a bit of a kick. I can't think of anything else that won't land you right back after it wears off. If there's a shortcut for when it's induced by weed specifically, I don't know it.

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11 hours ago, K^2 said:

I don't think it's fundamentally different from any other neurotransmitter depletion. Sleep, exercise, nutrition. Drink some coffee for a bit of a kick. I can't think of anything else that won't land you right back after it wears off. If there's a shortcut for when it's induced by weed specifically, I don't know it.

Indeed, time seems to be the only thing that helps. I still had the odd "space-out" today, six days later, so it's another week lost to this junk. It's not worth it at all, I'd rather just steer clear. 

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Is there any reason why Europe has so few skyscraper cities compared to Asia and North America? Or did it just happen to be that way? 

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57 minutes ago, Utopianthumbs said:

Is there any reason why Europe has so few skyscraper cities compared to Asia and North America? Or did it just happen to be that way? 

I don't really know enough about European cities to say why they are different, but I can mention some of the factors that influenced development of skyscrapers in the U.S. First, there is geology. If ground's too soft, it's just not worth it. Manhattan is practically a solid rock. Bad for subways, great for skyscrapers. There are cities in U.S. where that skyscraper growth doesn't happen because ground is not suitable. Also, historically, cheap, high quality steel was huge. I don't think it's that much of a factor now, but it's part of why U.S. got into the skyscraper game early. And finally the way the markets work. Again, not quite as much of a factor now, but in the late 20th century people certainly tried to get offices closer to the trading floor, because the delay along the wire was making a difference in how efficiently you can trade. So in places like New York and Chicago that was a big part of why it made sense to build so close together.

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4 hours ago, Utopianthumbs said:

Is there any reason why Europe has so few skyscraper cities compared to Asia and North America? Or did it just happen to be that way? 

Well for one large European cities have already been "established" so you couldn't really build a skyscraper in the city center. European houses in the center of cities were built to accommodate about 5-15 families or even more and if that wasn't enough then expanding the city wasn't an issue because there was plenty of space. A lot of European towns strictly regulate their image by introducing limits on how high a building can be and preventing modification or destruction of certain houses to preserve the historical look and charm. High rise buildings do exist in Europe but they are usually in the outer parts where new business districts are established.

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Appreciate the answers guys, anyways I'm back with two questions haha

 

What is ray tracing in video games and why is it made to be such a game changer? (Could I ask to explain like I'm age ten or something since whatever I've tried to read on the subject leaves me confused lol) 

 

How did humans transition from communicating through grunts and random noises to having proper structured languages understood not just by a small elite group but by huge societies? Language in general is perhaps the most amazing thing to me

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16 hours ago, Utopianthumbs said:

How did humans transition from communicating through grunts and random noises to having proper structured languages understood not just by a small elite group but by huge societies? Language in general is perhaps the most amazing thing to me

https://en.wikipedia.org/wiki/Origin_of_language#The_'mother_tongues'_hypothesis

 

Start from there and make up your mind.

 

Some early ass human able to make up complex grunts probably dropped a mix tape and hence Proto-Indo-European was born.

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20 hours ago, Utopianthumbs said:

What is ray tracing in video games and why is it made to be such a game changer? (Could I ask to explain like I'm age ten or something since whatever I've tried to read on the subject leaves me confused lol)

Ray tracing isn't a new concept. What makes the nVidia RTX (and upcoming AMD equivalent) special is that it brings techniques that have been used, for example, by Pixar for making Toy Story 4 to your PC or console to work in real time.

 

The basic idea is very simple. Light ravels in straight lines (rays) unless it interacts with something. So to figure out what image an eye/camera would see, we work the problem backwards and trace all possible paths from eye/camera to light sources. Hence, ray tracing. In practice, to get a good image you have to either simulate an absurd number of rays or get clever about how you use the ones you have. Naturally, for real time rendering, we go with the later. And nobody really uses pure ray tracing for mainstream games right now. It's all about building a hybrid of traditional rendering with ray tracing.

 

Details get super technical very fast, so instead of getting into how, it's better to focus on what you get with it. There are three main categories of improvements that you get with ray tracing. (Yes, I'm generalizing a bit, but it'll do for keeping it simple.)

  1. Shadows. Without ray tracing, shadows come out pretty high contrast with sharp edges, and little or no coloration. With ray tracing, you can simulate shadows from real objects, like torch flame, a neon sign, or the sun in the sky, producing soft shadows with realistic color gradients. See Shadow of Tomb Raider RTX demos for some great examples.
  2. Global Illumination. If an object is in a shadow, it's not completely dark. You still get a lot of light scattered from other objects around. Without ray tracing, you either have that faked by artists or you do a lot of simulation in advance. Either way, the results can't change dynamically with changes in the scene. Ray tracing will help you get lights in the room just right as the door is opening from letting just a sliver of light in to fully open, lighting all but most distant corners. A good example is RTX demos for Metro Exodus.
  3. Reflections. Without ray tracing reflections tend to be pretty low quality and miss a lot of details. Ray tracing lets you get beautiful reflections off curved or even dynamic surfaces, like waves on the lake, even when the reflected objects aren't in the frame. There are some good examples of ray traced reflections in RTX demos for Battlefield V and Atomic Heart.

There are some other cool uses. PS5 should have a close enough integration of its audio and graphics hardware that it would let you use ray tracing for figuring how sound is reflected, producing very realistic audio in complex scenes. But I'm not aware of anyone taking this beyond tech demos. You also have a lot of opportunities for rendering sky, weather effects, and foliage (grass, leaves) using ray tracing, but I haven't seen any examples yet.

 

P.S. I should add, almost everything you can do with ray tracing you can do without and you can get very similar quality. The biggest advantage is that instead of spending a lot of developer time on faking realistic lights for particular situations, you instead just simulate realistic lights. This means that an indy game with good art team can produce something that's visually just as stunning as games by AAA companies with thousands of people working on them. So it really makes a bigger difference for developers, but the hope is, less effort spent on visual detail means more effort spent on making a better game.

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Fascinating answers

 

@K^2 thanks for explaining it so well, even my dumb self understood for the most part haha. I don't mean to undermine ray tracing at all by asking this, just want to know for sure but it purely is a graphical thing right? Any similar concepts exist for other parts of gaming like regarding physics and simulating huge open words; do similar revolutionary concepts exist for those aspects too

 

Sorry if this sounds like a noob question, I don't have much knowledge in these things (or on a lot of things tbf lol) 

 

 

@paperbagdude fascinating article, will definitely read it in a more in depth manner once my sleepiness shakes off a bit. Its a shame experts don't consider it worthy for further studies, though I get that only assumptions can be made and acquiring solid evidence for these things is nigh impossible, but still it's quite a fascinating mystery

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3 hours ago, Utopianthumbs said:

 

@K^2 thanks for explaining it so well, even my dumb self understood for the most part haha. I don't mean to undermine ray tracing at all by asking this, just want to know for sure but it purely is a graphical thing right? Any similar concepts exist for other parts of gaming like regarding physics and simulating huge open words; do similar revolutionary concepts exist for those aspects too

Ray tracing itself is pretty much just for pretty graphics and maybe some audio improvements. However, nVidia/AMD had to add a lot of nifty new hardware into the GPUs to make it happen, and that has uses beyond ray tracing.

 

First, there are tensor cores for machine learning. Part of the problem with ray tracing is that raw images you get are very, very noisy. The best approaches for fixing this involve artificial neural networks. (Example from animation of what raw ray tracer output looks like on the right vs de-noised image on the left.) To help with that, ray tracing GPUs have tensor cores designed to evaluate neural networks really fast. They aren't great for learning, from what I've read, but there are still all kinds of uses for this in gaming in theory. I haven't seen anyone push this yet, but it is an opportunity. Best uses would bein in animation and character behavior.

 

The other is volume hierarchies. This is even more technical, but the general idea is that if you have to see if things overlap in your scene by just trying every possible pair of objects it takes too long. So scenes suitable for ray tracing are organized into hierarchies that are much faster to search. Same kind of hierarchies are used, for example, in collision tests in physics engines. So in theory, there is a lot of FX and simulation code that can be done very cheaply on GPU with RT capabilities by utilizing these hierarchies. Again, I've never seen the hardware used this way.

 

Outside of these two key components, though, a ray tracing graphics card isn't that different from what we had before. It's just a piece of hardware designed to do A LOT of math in parallel. There are all kinds of uses for that in games and research, but we've been exploiting that potential pretty well already. It's not unusual at all for a game engine to include a compute pass in its graphics routine that uses GPU for general computations. The most common uses are for FX and cloth.

 

Unfortunately, most of the interesting things we care about in games have more to do with logic than algebra, and CPU is a lot better at that. So there isn't anything fundamentally new that ray tracing cards bring to the table. It's really just a quality upgrade.

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I feel just liking your post isn't enough, I must also say I really appreciate you putting the effort to give an in depth yet clear explanation, admittedly some of this still goes over my head but it's got me a bit curious to do my own learning. Thanks

Edited by Utopianthumbs
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I would like to do that too but I'm too much of a wuss lol

 

Anyway I got a couple of questions

 

I find myself too addicted to my devices whether it be my mobile or PC and recently I'm finding it a bit hard to spend time without being hooked onto them. So I thought why not try some meditation and so I've been using my internet addiction to do random guided meditations on YouTube just to spend time without always viewing my device screens. The problem is I almost always fall asleep lol (not necessarily a bad thing but then I don't get sleep at night + I'd like to focus properly), that or I just start thinking of other things automatically/get restless to check the forums/other YouTube videos, that sort of thing. Any tips on how I can concentrate properly while meditating, or could it be that some people just aren't cut out for it? 

 

There's this classic question that goes- A train is about to run over five people tied on a track. You are in control of a lever that causes the train to switch tracks, but there is one person tied onto that track who will then get run over. Do you pull the lever or not? My question is how is this even a dilemma? Maybe I'm dumb but isn't the obvious choice to pull the lever and save more people? If the dilemma is you are causing the death of one person, not pulling the lever when you could would still mean you are responsible for the death of five, so is there something I'm missing here or is it not an obvious choice to make ie pull the lever? 

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15 hours ago, NaidRaida said:

Why is there an option for leaving a "like" but no option to "dislike"?

There's enough hatred and petty infighting on this forum to fill a medium sized celebrity family. I don't think we want to be encouraging more.

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