Timeline for How can you build cities without cement?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Feb 17, 2017 at 18:58 | comment | added | pjc50 | @BrianRogers oops, fixed! | |
| Feb 17, 2017 at 18:57 | history | edited | pjc50 | CC BY-SA 3.0 |
added 87 characters in body
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| Feb 17, 2017 at 17:25 | comment | added | Brian Rogers | But they...what? | |
| Feb 17, 2017 at 16:16 | comment | added | pjc50 | If you can get carbon and hydrogen? Then you just need to run it through the Fischer-Troph process. Requires energy input, but then so does everything. Carbon may be available as carbonate rocks: planetary.org/blogs/emily-lakdawalla/2010/2540.html | |
| Feb 17, 2017 at 15:09 | comment | added | ohwilleke | Plastics are basically frozen petroleum made of long organic hydrocarbon chains and tweaked a bit. You would be hard pressed to make it on a lifeless planet. | |
| Feb 16, 2017 at 17:00 | history | answered | pjc50 | CC BY-SA 3.0 |