Timeline for What do Engineers breathe?
Current License: CC BY-SA 4.0
24 events
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| Jun 16, 2020 at 9:31 | history | edited | CommunityBot |
Commonmark migration
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| Dec 1, 2018 at 17:31 | history | edited | Jenayah | CC BY-SA 4.0 |
replaced HTTP with HTTPS
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| Apr 13, 2017 at 12:43 | history | edited | CommunityBot |
replaced http://scifi.stackexchange.com/ with https://scifi.stackexchange.com/
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| Oct 29, 2015 at 14:46 | comment | added | Escoce | This answer is wrong, the principle outputs from fire are CO2 and Water, and that includes automobiles. The reason CO is such a big deal is not due to how much is created, which isn't all that much, but because it is poisonous. CO reacts with red blood cells the same way that O2 does, so it prevent the red cells from absorbing enough O2. | |
| Aug 14, 2014 at 8:11 | comment | added | Moo | @DarthSatan I'm not forgetting that at all - go check out the mixtures in our space ships today :) They don't 100% reflect native atmospheres but stay within the tolerance range we can live with. | |
| Aug 13, 2014 at 22:23 | comment | added | user8719 | @Moo - added some updates; you're forgetting the control room scene where humans and an Engineer were both present, without helmets, in the same atmosphere. | |
| Aug 13, 2014 at 22:21 | history | edited | user8719 | CC BY-SA 3.0 |
Addressed some criticism/nitpicking/pet-theory-mongering
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| Aug 13, 2014 at 22:09 | history | edited | user8719 | CC BY-SA 3.0 |
added 241 characters in body
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| Aug 13, 2014 at 21:54 | comment | added | user8719 | @Damon - true, yes. I should update the answer to reflect a lot of the discussion going on in these comments... | |
| Aug 13, 2014 at 20:04 | comment | added | Damon | Slight nitpick: it's carbon monoxide. Carbon dioxide at 3% is perfecty tolerable (monoxide is lethal within few minutes). Well, almost perfectly tolerable, it wouldn't be very comfortable to breate since you would somewhat hyperventilate... but it's not lethal within minutes. The movie script writer got that one wrong. | |
| Aug 13, 2014 at 17:33 | comment | added | Monty129 | @Moo you may be right about the alien embryo altering the Engineer's physiology in order to survive, I seem to remember it's stated in one of the Alien films that the embryo can genetically alter the host somewhat in order to increase the chances of the fetus surviving the incubation period. | |
| Aug 13, 2014 at 15:14 | comment | added | Moo | ... based on earlier films (where Kane is implanted in the first film on LV-426, he survives the entire trip back to the ship while being exposed to the atmosphere the other EVA members cannot breathe. In the scene from Prometheus mentioned above, there is significant exertion on the part of the Engineer in the attempt to get into the life boat, and the subsequent fight with the alien, and yet he never seems to be troubled by the atmosphere. | |
| Aug 13, 2014 at 15:11 | comment | added | Moo | @Hypnosifl its worth noting in the scene in the life boat, the interior of the life boat is exposed to the exterior atmosphere for the entire duration of the Engineers confrontation of Shaw (he busts in through the airlock), the subsequent fight with the alien, the implantation and Shaws escape. Shaw is wearing her full suit including helmet during this scene. Later on, the Engineer is seen waking up after the implantation, none the worse for wear for being exposed to the high CO2 atmosphere for the duration. Of course the alien may have assisted in his breathing, but thats speculation... | |
| Aug 13, 2014 at 14:51 | comment | added | Hypnosifl | @Darth Satan - good point, although as you say it's possible he was just holding his breath, or that he was able to get from the ship to the lifeboat in less than the "two minutes" that Ford said would kill a human (or that they just had a higher tolerance in the sense of being able to last a bit longer without dying, not in the sense of being fine with breathing that amount for long periods). | |
| Aug 13, 2014 at 14:41 | comment | added | user8719 | @Hypnosifl - IIRC the Engineer got from the crashed ship to the lifeboat without a helmet. It's equally possible of course that he was just able to hold his breath for long enough. | |
| Aug 13, 2014 at 13:06 | comment | added | Hypnosifl | Is there any evidence that the Engineers "have a higher tolerance for carbon dioxide" than we do, or is this just speculation? There is no evidence that they walked around on the surface without helmets on, is there? | |
| Aug 13, 2014 at 12:46 | comment | added | Moo | And anyhow, there are enough other differences between the Engineers and humans physically (height, strength, build etc etc) that even with "identical DNA" there could be others, such as a difference in respiratory systems. | |
| Aug 13, 2014 at 12:45 | comment | added | Moo | I'd love a citation on that, because as I remember it there was a link between the DNA, but it was never said it was completely identical. | |
| Aug 13, 2014 at 12:21 | comment | added | user8719 | @Moo - because the movie establishes that their DNA is identical to ours. | |
| Aug 13, 2014 at 11:15 | comment | added | Moo | Why can't we consider a requirement for high CO2? They may have a hybrid repository system which works both like an animals and like a plants... This is scifi, anything can happen. | |
| Aug 13, 2014 at 10:44 | vote | accept | matheen | ||
| Aug 13, 2014 at 10:33 | vote | accept | matheen | ||
| Aug 13, 2014 at 10:44 | |||||
| Aug 13, 2014 at 10:25 | history | edited | user8719 | CC BY-SA 3.0 |
Removed grocer's apostrophe
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| Aug 13, 2014 at 10:20 | history | answered | user8719 | CC BY-SA 3.0 |