Timeline for What can I add to an oxygen/nitrogen atmosphere to make it unpalatable or poisonous to humans, yet stable and breathable to local creatures?
Current License: CC BY-SA 3.0
20 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 20, 2017 at 8:03 | answer | added | The Square-Cube Law | timeline score: 0 | |
| Sep 19, 2017 at 19:59 | answer | added | Slarty | timeline score: 0 | |
| Sep 19, 2017 at 19:32 | comment | added | Slarty | CO in an oxyge rich atmosphere would be oxidised to CO2 so would have to be continously replaced | |
| Sep 19, 2017 at 19:31 | answer | added | Christmas Snow | timeline score: 0 | |
| Sep 19, 2017 at 19:07 | answer | added | Ash | timeline score: 1 | |
| Apr 21, 2017 at 13:21 | answer | added | kingledion | timeline score: 10 | |
| Apr 21, 2017 at 12:58 | answer | added | Mike Scott | timeline score: 4 | |
| Apr 21, 2017 at 12:45 | answer | added | Willk | timeline score: 9 | |
| Apr 21, 2017 at 8:30 | history | edited | user | CC BY-SA 3.0 |
added 4 characters in body
|
| Apr 21, 2017 at 8:20 | answer | added | don-joe | timeline score: 6 | |
| Apr 21, 2017 at 8:18 | comment | added | Ville Niemi | @Miech CO concentration high enough to be explosive will kill a human in less than a minute. You can drop concentration by two orders of magnitude and still kill humans within few hours. | |
| Apr 21, 2017 at 8:04 | history | edited | user | CC BY-SA 3.0 |
added 29 characters in body
|
| Apr 21, 2017 at 7:57 | history | edited | user | CC BY-SA 3.0 |
added 120 characters in body
|
| Apr 21, 2017 at 7:44 | comment | added | M i ech | You can scratch my idea. I had a vague memory that CO+O2 mix is volatile, but I didn't check it before posting first comment. After searching, I found that CO+O2 mix is even suggested as fuel in some specialised situations, so such atmosphere would be explosively unstable. | |
| Apr 21, 2017 at 7:37 | history | edited | user | CC BY-SA 3.0 |
added 47 characters in body; edited tags
|
| Apr 21, 2017 at 7:36 | comment | added | user | @Miech Yes; it isn't so difficult to satisfy some of the conditions, but I'm at a loss for anything that can satisfy all of them. That said, carbon monoxide could perhaps be a decent answer if you can propose a biological or geological mechanism to maintain a level of CO in the atmosphere. | |
| Apr 21, 2017 at 7:36 | answer | added | Just like venus | timeline score: 3 | |
| Apr 21, 2017 at 7:34 | comment | added | M i ech | Carbon monoxide would be very lethal to humans, but wouldn't for any animals which evolved in such atmosphere. However I don't know if it satisfies stability condition. | |
| Apr 21, 2017 at 7:34 | history | edited | user | CC BY-SA 3.0 |
added 299 characters in body
|
| Apr 21, 2017 at 6:46 | history | asked | user | CC BY-SA 3.0 |