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Wun Wei	Posted - 2008.08.11 01:01:00 - [1] I was checking out the information you see when you look at a planet, moon, or star in Eve. There is a lot of information in there, so it got me to wondering which worlds in any given system I flew through are habitable. Sure, with domes and pressure suits you could live almost anywhere, but I mean what planets could you live on unaided (provided the atmosphere is breathable). So then I got to thinking what are the minimum and maximum ranges for human existence in the realms of pressure, gravity, and temperature? I figure temperatures between 260K and 310K would be sustainable, though something in the realm of 270K to 300K would be preferable. But I have no data on what the minumum and maximum air pressure would need to be, nor do I know what the maximum gravity would be to stay alive without being crushed. I'm aware no one has definitive data on what long term (I'm talking decades) of zero gravity is, but I'm assuming there is no minimum gravity, but surely there's a maximum. Does anyone know the following data? I'm not talking about one-time exposures (such as being exposed to vacuum for 30 seconds, I'm talking about living your entire life in an environment): Minimum air pressure for people to live (and breathe) Maximum air pressure for people to live (before they get squished) Maximu gravity for people to live (again so they don't get squished, but because of another reason)
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 01:26:00 - [2] Edited by: 7shining7one7 on 11/08/2008 01:31:40 Originally by: Wun Wei I was checking out the information you see when you look at a planet, moon, or star in Eve. There is a lot of information in there, so it got me to wondering which worlds in any given system I flew through are habitable. Sure, with domes and pressure suits you could live almost anywhere, but I mean what planets could you live on unaided (provided the atmosphere is breathable). So then I got to thinking what are the minimum and maximum ranges for human existence in the realms of pressure, gravity, and temperature? I figure temperatures between 260K and 310K would be sustainable, though something in the realm of 270K to 300K would be preferable. But I have no data on what the minumum and maximum air pressure would need to be, nor do I know what the maximum gravity would be to stay alive without being crushed. I'm aware no one has definitive data on what long term (I'm talking decades) of zero gravity is, but I'm assuming there is no minimum gravity, but surely there's a maximum. Does anyone know the following data? I'm not talking about one-time exposures (such as being exposed to vacuum for 30 seconds, I'm talking about living your entire life in an environment): Minimum air pressure for people to live (and breathe) Maximum air pressure for people to live (before they get squished) Maximu gravity for people to live (again so they don't get squished, but because of another reason) well you could allways live deep underground cities or in dome cities on the surface, the former would be safer for rough weather or cataclysms or aerial bombardments, or just if you wanted to not let anybody know you were there. hmm off the top of my head the oxygen level you're referring to has to be above 15% or we choke.. well human beings choke anyways.. other lifeforms? insufficient data. funfact: current o2 level pole to pole is around 18%, we're doing a marvelous job with the rainforest and blowing stuff up... as for gravity well.. ehehe.. well that's a funny size.. i don't really know how you would get that data since official science has no idea what gravity is or what regulates it, they just see it in action and can thus "meassure" it to a certain degree. as for habitable planets.. well.. water is a prereq for biological life.. and well.. hehe you're opening a real can of worms with these questions since.. well.. publicly atleast.. humanity doesn't really have a clue about all this stuff.. we don't even know how our own globe truly operates.. we know tidbits at best.. what forms and atmosphere, what is gravity and how does it occur, what regulates gravity, what starts life.. all we have is a theory, we don't have facts we have theories and patterns that SEEM to support certain theories, the rest we hypothesise and make makeshift shaky preliminary (till we know better) conclusions.. so and a planet has all kinds of regulatory systems that are put into action in a certain way that we don't understand to support and maintain life, and your question is essentially.. what is the requirements for a planet to support life, and explain the systems like gravity and how they operate, and when you are asking that then you need to answer how can we regulate gravity.. officially we don't have any gravity or anti gravity field generators hehe.. so.. just insufficient data at best.. for an answer to that imo. if someone has a better and more truthful answer than that please go right ahead. as for pressure: Earth's atmosphere is pressing against each square inch of you with a force of 1 kilogram per square centimeter (14.7 pounds per square inch). The force on 1,000 square centimeters (a little larger than a square foot) is about a ton Why doesn't all that pressure squash you? Remember that you have air inside your body too, that air balances out the pressure outside so you stay nice and firm and not squishy.
Wun Wei	Posted - 2008.08.11 01:42:00 - [3] Well, I understand your reply, but I think you're overthinking my question. Gravity can be measured, and maybe no one understands why it works, but someone somewhere has to know that 1g is pleasant, and living in a 2g environment would be uncomfortable, but if you were to go to a 5g world for example, you would end up dying. What's the most sustainable g someone can take? And by sustainable, I don't mean for five minutes, I mean for 73 years. The same for pressure. You're right how the pressure works, but at 1014 millibars a human would feel as if he's back on Earth. Can he live at 500 millibars? Can he live at 1500 millibars? I did lots of searches on the internet and so forth but couldn't find anything.
Slade Trillgon Siorai Iontach	Posted - 2008.08.11 01:50:00 - [4] Edited by: Slade Trillgon on 11/08/2008 01:53:39 Actually, if you live in 0 gravity for to long your bones become very porous and become very fragile. We need gravity to stress the bone structure and without it they will break like a mole dropping from 6 inches. This also would not take very long, but I will not hazard a guess at this point. EDIT: I also believe that gravity is measured by terminal velocity which is 9.80 m/s2, but not 100% sure on that one either. I will have to do some reading before bed. Slade DesuSigs
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 01:57:00 - [5] The planets with all the lights visible on the night side are habitable You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 02:34:00 - [6] Edited by: 7shining7one7 on 11/08/2008 02:37:21 since we're at that topic there's also the issue of moons, what they are and if they are a necessity for life.. like for instance our moon, i don't think it is what we are publicly told, i think it's a space station disguised as everything it is not, also phobos a martian moon, i think those two or one of them had something to do with the neat asteroid belt we have in our solar system.. investigate phobos its orbit and rotation and that's all i'll say about that, other than you're gonna be really really surprised if you look thoroughly into it. our own moon, even publicly its been stated from various tests and such, that our moon possibly is not originally part of our solar system, they don't know where the hell it came from though.. course that wasn't public for long, but atleast it got as far as to get put out there. also our pyramids, placed neatly and extremely accurate at the cardinal north south east and west and it's correlation with the circumference of earth, part of terraforming? affecting the earth in a certain way? moon affecting the tides or so we're told anyways, could it be placed there also to have a different affect aswell besides being a battlestation?.. the earth certainly effects us, gravity effects us, and what is gravity again. all any regular human can say is.. we're just here, living and we have no clue wth is going on, what earth is how it really operates, what is really underground, what is really in the oceans, how the hell we got here, or whats really in our solar system and galaxy, who we are and how we came to be, cause we're being lied to followed by a deafening silence cause the ones who were supposed to tell us this stuff aren't doing any talking, besides war talk. if they were you wouldn't have to ask those questions at all. it's a good topic wun, i thank you for it.
Wun Wei	Posted - 2008.08.11 03:12:00 - [7] My goal was to start a scientific discussion, and also answer my own personal questions; questions which I could not find answers for on the intrawebs. My assumption is every planet I run into with an atmosphere has a heavily nitrogen, much less so oxygen atmosphere, one that is breathable by humans. So putting light, photosynthesis, growing plants out in the open, etc. aside, what else needs to happen before Captain Kirk and his pals walk out of the shuttle without protective gear?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 03:22:00 - [8] Edited by: 7shining7one7 on 11/08/2008 03:26:31 Originally by: Wun Wei My goal was to start a scientific discussion, and also answer my own personal questions; questions which I could not find answers for on the intrawebs. My assumption is every planet I run into with an atmosphere has a heavily nitrogen, much less so oxygen atmosphere, one that is breathable by humans. So putting light, photosynthesis, growing plants out in the open, etc. aside, what else needs to happen before Captain Kirk and his pals walk out of the shuttle without protective gear? well then there's the issue of bacteria and food sources, zero g effect on immune system, unless you got gravity field generators on the ship, or is it something else you are fishing for, can i ask you to be more specific, are you talking about? there's also the climate, hot/cold, humidity, winds, hardness of the soil and so on. exploration probes would be a good idea.
Viqtoria Caldari Groping Hand Social Club	Posted - 2008.08.11 03:50:00 - [9] if humans lived and bred on another planet for long enough they would challenge our definition of human soon enough. Please keep your signature on-topic.
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 03:52:00 - [10] Edited by: 7shining7one7 on 11/08/2008 03:56:00 Originally by: Viqtoria if humans lived and bred on another planet for long enough they would challenge our definition of human soon enough. perhaps, perhaps not, perhaps everything is not all as random as people have been lead to believe, and i'm not talking about god or anything, i'm talking about all the stuff around us, inside us and "inbetween things" that we haven't got a clue how works but they seem to work quite efficiently and in great synergy when not put out of order through various means. but yeah if things were radically different on that planet they might adapt to be radically different in certain areas, but they would still be based on the dna template so.. but you have a good point.
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 04:20:00 - [11] Beer and TV Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 04:38:00 - [12] We having an evolutionary discussion here then? And in response to your response to my post, 7... people aren't going to stay underground... we move into an area, breed uncontrollably, use up everything, keep breeding... except Eve players You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 04:52:00 - [13] Originally by: Surfin's PlunderBunny We having an evolutionary discussion here then? And in response to your response to my post, 7... people aren't going to stay underground... we move into an area, breed uncontrollably, use up everything, keep breeding... except Eve players don't equate a malfunctioning society with how things are, we are in a mess but not because its how we are.. if you were beaten down, put in a dark room, lights turned off, all your posessions taken away, being fed lies upon lies till you didn't even know who you were anymore.. and started to worship and praise those who took part in doing it to you, twisting and playing with your mind, causing you to do all kinds of things you would not normally do, you wouldn't truthfully say that this is just how you are.. you would only say and accept it because you didn't know any better, get the metaphor? as for underground, plenty more room there than on the surface, you could burrow hundreds of miles down, and on the surface nobody would know you were there, you could easily have millions of people living in underground cities.
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 04:55:00 - [14] hundreds of miles down? well sure if you like deadly deadly gas, extreme temperatures, and enough air pressure to crush your delicate innards also, magma showers do not clean your skin, merely burn it off Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:04:00 - [15] Originally by: Tortun Nahme hundreds of miles down? well sure if you like deadly deadly gas, extreme temperatures, and enough air pressure to crush your delicate innards also, magma showers do not clean your skin, merely burn it off seems to work fine for the military. you know how far there is down to the earths center? i don't know which planet you think you live on, but i do understand you watch a lot of tv and drink a lot of beer, that's all well and good but not exactly the best educative source. isn't an insult, just saying... we are literally ants standing on an anthill.. you heard about the hopi indians and their cave paintings and references to the ant people? that lived like ants underground.
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 05:08:00 - [16] I actually don't drink and I only get 2 tv channels, both which suck, so I don't watch them Quote: Earth's crust Earth cutaway from core to exosphere.The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain by the mantle. The upper part of the mantle is composed mostly of peridotite, a rock denser than rocks common in the overlying crust. The boundary between the crust and mantle is conventionally placed at the Mohorovičić discontinuity, a boundary defined by a contrast in seismic velocity. Earth's crust occupies less than 1% of Earth's volume. The oceanic crust of the Earth is different from its continental crust. The oceanic crust is 5 km (3 mi) to 10 km (6 mi) thick[3] and is composed primarily of basalt, diabase, and gabbro. The continental crust is typically from 30 km (20 mi) to 50 km (30 mi) thick, and it is mostly composed of less dense rocks than is the oceanic crust. Some of these less dense rocks, such as granite, are common in the continental crust but rare to absent in the oceanic crust. The continental crust and the oceanic crust are sometimes called sial and sima respectively. Due to the change in velocity of seismic waves it is believed that on continents at a certain depth sial becomes close in its physical properties to sima and the dividing line is called Conrad discontinuity. The temperature of the crust increases with depth, reaching values typically in the range from about 500 ¦C (900 ¦F) to 1,000 ¦C (1,800 ¦F) at the boundary with the underlying mantle. The crust and underlying relatively rigid mantle make up the lithosphere. Because of convection in the underlying plastic, although non-molten, upper mantle and asthenosphere, the lithosphere is broken into tectonic plates that move. The temperature increases by approximately 30 ¦C (100 ¦F) for every mile deeper.[4] Sadly the easiest available link was wikipedia, not my first choice but at least this article is accurate so science larfs at your "100's of miles" Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 05:15:00 - [17] Hey, look at that... it's full of hot stuff You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:16:00 - [18] nah, the truth is just a secret is all.. you can't just pack up and teleport underground research facilities, complexes and cities away, they are kind of stuck there heheh.. but that's allright, you believe whatever you want to believe. the suggested km meassurements and exponential heat growth gave me a good chuckle. it's amazing what ppl can be lead to believe.
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 05:21:00 - [19] Edited by: Surfin''s PlunderBunny on 11/08/2008 05:20:39 Shining.. the deepest we've ever gone is about 8 miles... with a tiny drill bit... You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:21:00 - [20] Edited by: 7shining7one7 on 11/08/2008 05:26:03 Originally by: Surfin's PlunderBunny Edited by: Surfin''s PlunderBunny on 11/08/2008 05:20:39 Shining.. the deepest we've ever gone is about 8 miles... with a tiny drill bit... publicly. seen one of these before? this one is just a hunk of junk. the high tech unofficial ones can drill several miles an hour leaving a coated polymer'ish surface. very neat actually. you should look into it. some kind of plasmic drilling or whatever..
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 05:23:00 - [21] Can anyone spot the crazy conspiracy theorist in the thread? You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:27:00 - [22] Edited by: 7shining7one7 on 11/08/2008 05:29:20 Originally by: Surfin's PlunderBunny Can anyone spot the crazy conspiracy theorist in the thread? hey go back to your beer and tv in your imaginationland then, no harm no foul but before you do name me a better location for top secret research facilities and such, that you don't want others snooping around near or knowing about. that's right.
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 05:28:00 - [23] Hey look over there! It's a UFO!!! You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:31:00 - [24] Originally by: Surfin's PlunderBunny Hey look over there! It's a UFO!!! you think the ufo phenomenon is new? hehe.. that's cute. try working the google on the internet machine and type in vimanas
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 05:32:00 - [25] the fact that you defined a linear heat to depth ratio as exponential kind of explains exactly how much you failed at high school science. It isn't "suggested" this data is based on physical findings, some dating as far back as the 14th century. Temperature and the presence of noxious gases are two of the first physical traits human beings truly began to measure. Followed by air pressure. The further you descend, the greated the air pressure, compressing those noxious gasses, the generation of heat via pressure and friction causes normally liquid and solid materials to vaporize. Many of those elements are toxic and must be avoided if you wish to be able to breath. The temperature of the planets core is estimated at roughly 5000 to 7000 degrees Celsius based on the linear increase observed at the various depths reached by human ingenuity. -Human beings have a limited tolerance to heat. ie; we are combustible. -Human beings have a limited tolerance to most gases. ie; they prevent oxygen from combining with hemoglobin and our cells die. -Human beings have a limited tolerance to pressure. ie; at 6 atmospheres of pressure human internal organs begin to rupture, p=rhoRT being the scientific standard that is used to determine atmospheric pressure it shows that THIS value does increase exponentially as we descend, but I will leave a genius like yourself to do the actual math if you don't believe me. Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:39:00 - [26] Originally by: Tortun Nahme the fact that you defined a linear heat to depth ratio as exponential kind of explains exactly how much you failed at high school science. It isn't "suggested" this data is based on physical findings, some dating as far back as the 14th century. Temperature and the presence of noxious gases are two of the first physical traits human beings truly began to measure. Followed by air pressure. The further you descend, the greated the air pressure, compressing those noxious gasses, the generation of heat via pressure and friction causes normally liquid and solid materials to vaporize. Many of those elements are toxic and must be avoided if you wish to be able to breath. The temperature of the planets core is estimated at roughly 5000 to 7000 degrees Celsius based on the linear increase observed at the various depths reached by human ingenuity. -Human beings have a limited tolerance to heat. ie; we are combustible. -Human beings have a limited tolerance to most gases. ie; they prevent oxygen from combining with hemoglobin and our cells die. -Human beings have a limited tolerance to pressure. ie; at 6 atmospheres of pressure human internal organs begin to rupture, p=rhoRT being the scientific standard that is used to determine atmospheric pressure it shows that THIS value does increase exponentially as we descend, but I will leave a genius like yourself to do the actual math if you don't believe me. it's an extremely well guarded secret hey.. i heard a couple thousand miles is quite a bit, what you reckon?
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 05:42:00 - [27] I recon that the metric system is superior, thats why it is used in all advanced sciences, in every country in the world you know how hard it is to teach American post secondary students the metric system so that they will be able to function in the larger world I don't but I've heard stories Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:45:00 - [28] Originally by: Tortun Nahme I recon that the metric system is superior, thats why it is used in all advanced sciences, in every country in the world you know how hard it is to teach American post secondary students the metric system so that they will be able to function in the larger world I don't but I've heard stories i'm not american, but i'm sure they appreciate the compliment though
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 05:51:00 - [29] not american? and you still use the imperial system you better have an awfully good excuse Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 05:52:00 - [30] Originally by: Tortun Nahme not american? and you still use the imperial system you better have an awfully good excuse figured you were american, did it out of curteousy. anyways, thx for the chat, take care.
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.11 05:56:00 - [31] Now I am mortally offended Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.11 06:19:00 - [32] Originally by: Tortun Nahme not american? and you still use the imperial system you better have an awfully good excuse In the USMC we use the metric system, it makes a shitload more sense You're not afraid of the dark, are you?
Two Flower Caldari Allied Tactical Unit Scalar Federation	Posted - 2008.08.11 14:46:00 - [33] I think the supper boffin scientists do know what gravity is and how its caused ( mostly) I remember reading that it has somthing to do with any object that has enough mass actually causes and "indentation" in spacetime and objects roll towards it. Think of 4 people holding a big sheet of rubber or pvc in each of the 4 corners, now put a basket ball in the middle of it and roll some marbles in from the sides. that's basically how gravity works. That's a 2d analogy ofcause the 3d version is mind bobbling
Pwett Minmatar QUANT Corp. QUANT Hegemony	Posted - 2008.08.11 16:01:00 - [34] Originally by: Tortun Nahme not american? and you still use the imperial system you better have an awfully good excuse Because the metric system is for people who are bad at math! _______________ Pwett CEO, Founder, & Executor <Q> QUANT Hegemony
Mr Li The Graduates Morsus Mihi	Posted - 2008.08.11 18:13:00 - [35] Don't forget about a magnetic field - the only reason have an atmosphere. Of course this doesn't matter if there is already atmo detected, but if a young planet is found with geologic activity (thus emitting gas) it will need to be protected from stellar 'winds' and expulsion of material by a hearty magnetic field.
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.11 18:30:00 - [36] Originally by: Mr Li Don't forget about a magnetic field - the only reason have an atmosphere. Of course this doesn't matter if there is already atmo detected, but if a young planet is found with geologic activity (thus emitting gas) it will need to be protected from stellar 'winds' and expulsion of material by a hearty magnetic field. allready mentioned but yes you're spot on
pwnedgato	Posted - 2008.08.11 18:33:00 - [37] Good liquor.
goodby4u Valor Inc.	Posted - 2008.08.11 19:00:00 - [38] Hot pockets, and lots of them tbh.
Wun Wei	Posted - 2008.08.11 21:38:00 - [39] So despite this lively discussion (which actually I had not anticipated) we still don't have any indication about how many gs or what the maximum or minimum atmospheric pressure a human can withstand for a prolonged period of time. I am sort of amazed I haven't been able to find anything on the internet, so maybe this is information that's not really available.
vanBuskirk Caldari	Posted - 2008.08.11 22:04:00 - [40] I've been doing a bit of googling. Atmospheric pressure in the Andes and on the Tibetan plateau is about 0.6 atm (600mb) and that's about the highest that people live for extended periods - and that's with genetic adaptation. The problem is not so much pressure as partial pressure of oxygen; people can live at altitudes up to maybe 40,000 feet, but only while breathing pure oxygen. At the other end, nitrogen narcosis sets in at about 3 bar of nitrogen. With a safety factor, an Earth-type atmosphere at 2 bar ought to be safe for extended periods; possibly an exotic atmosphere containing mostly neon with a small amount of oxygen might be survivable, but I don't see how such an atmosphere could exist in the first place. I agree with the OP's ideas about temperature, with the proviso that at the higher end the humidity has to be low. At the lower end, lower temperatures might be tolerable; but sustained below-freezing temperatures over most of a planet mean no food to eat! Gravity; no data at present, but somewhere between 0.5g and 2g ought to be sustainable. I suspect, however, that living in low-gee for extended periods might make it impossible to live at Earth gravity afterwards. It's also rather likely that extreme atmospheric conditions might make the temperatures that are tolerable a rather narrower band, and also vice versa; the body has to make adaptations that might be compromised if already under another sort of stress. Just my 0.02 isk. ---------------------------------------------- "Violence is the last refuge of the incompetent."
Tortun Nahme Minmatar Umbra Synergy Final Retribution Alliance	Posted - 2008.08.12 00:00:00 - [41] oh to address at least partially the gravity question, recent studies in astronaughts have shown the low g enviroment in free fall to have aided in the onset of osteo perosis (sp?) and other degenrative bone disorders, but im sure in time we could adapt humans can withstand a burst force of up to 12-15 g's (most notably during the launch of a rocket or shuttle) but not a sustainable field of that level, though a level of 3 g's has been sustained in supersonic flight for over 8 hours, so 2 g's is perfectly reasonable for long term exposure. Originally by: Cecil Montague They should change that warning on entering low sec to: "Go read Crime and Punishment for a few days then come back."
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.12 00:29:00 - [42] Originally by: Tortun Nahme humans can withstand a burst force of up to 12-15 g's Yeah, the weak ones You're not afraid of the dark, are you?
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.12 00:45:00 - [43] Originally by: Surfin's PlunderBunny Originally by: Tortun Nahme humans can withstand a burst force of up to 12-15 g's Yeah, the weak ones ahaha.. "i'm a marine, i'll walk on water if i have to, semper fi!" surfin you're cute.
pwnedgato	Posted - 2008.08.12 00:49:00 - [44] Mind over matter and such. Some people spend lifetimes studying to do such feats. USMC personnel go through 14 weeks of basic and accomplish the same.
7shining7one7 Don Rico's Massive Rainbow Storage	Posted - 2008.08.12 00:56:00 - [45] Originally by: pwnedgato Mind over matter and such. Some people spend lifetimes studying to do such feats. USMC personnel go through 14 weeks of basic and accomplish the same.
Slade Trillgon Siorai Iontach	Posted - 2008.08.12 04:02:00 - [46] Edited by: Slade Trillgon on 12/08/2008 04:03:57 Originally by: Wun Wei So despite this lively discussion (which actually I had not anticipated) we still don't have any indication about how many gs or what the maximum or minimum atmospheric pressure a human can withstand for a prolonged period of time. I am sort of amazed I haven't been able to find anything on the internet, so maybe this is information that's not really available. How deep in the ocean can one go without succumbing to the pressure? Find that out and you have at least an answer to what type of external pressures the human body can withstand. I told you that without gravity, in like the 3rd post, that around the 6 month point 0 gravity starts having real bad effects on bone density. Slade DesuSigs
Surfin's PlunderBunny Minmatar Holy Church Of Garmonism	Posted - 2008.08.12 04:58:00 - [47] Originally by: Slade Trillgon Edited by: Slade Trillgon on 12/08/2008 04:03:57 Originally by: Wun Wei So despite this lively discussion (which actually I had not anticipated) we still don't have any indication about how many gs or what the maximum or minimum atmospheric pressure a human can withstand for a prolonged period of time. I am sort of amazed I haven't been able to find anything on the internet, so maybe this is information that's not really available. How deep in the ocean can one go without succumbing to the pressure? Find that out and you have at least an answer to what type of external pressures the human body can withstand. I told you that without gravity, in like the 3rd post, that around the 6 month point 0 gravity starts having real bad effects on bone density. Slade I think it's like 300 ft. max. And you have to use a mixed gas rig because oxygen becomes toxic at around 200 ft. You're not afraid of the dark, are you?

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