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Topic	Forum	Replies	Last post
1 Oil, Peak Oil, etc. by Calliban	Not So Free Chat	10	2024-05-05 15:29:21 by SpaceNut
2 Nuclear power is safe by Calliban [ 1 2 3 … 26 ]	Science, Technology, and Astronomy	626	2024-05-03 07:36:37 by Mars_B4_Moon
3 Town Cooking using Stored Heat by Calliban	Science, Technology, and Astronomy	4	2024-04-26 10:02:20 by Calliban
4 Colonizing / terraforming small asteroids by Calliban [ 1 2 3 … 15 ]	Terraformation	355	2024-04-24 09:43:39 by Void
5 Artificial blackholes by Calliban	Science, Technology, and Astronomy	1	2024-04-23 10:38:24 by tahanson43206
6 Is the Western World Sinking into Totalitarianism? by Calliban [ 1 2 3 4 ]	Not So Free Chat	76	2024-04-20 13:05:23 by Mars_B4_Moon
7 Public transport by Calliban [ 1 2 ]	Not So Free Chat	41	2024-04-15 15:52:44 by Terraformer
8 Cast Iron / Cast Steel Architecture by Calliban	Science, Technology, and Astronomy	8	2024-04-14 19:42:15 by tahanson43206
9 Energy Return on Energy Invested for Solar PV by Calliban [ 1 2 3 ]	Science, Technology, and Astronomy	69	2024-04-12 17:29:29 by tahanson43206
10 Nuclear Powered Construction Equipment by Calliban	Planetary transportation	2	2024-04-06 01:21:51 by Mars_B4_Moon
11 Permenance Movement by Calliban [ 1 2 ]	Science, Technology, and Astronomy	33	2024-03-31 15:59:12 by Calliban
12 Alternative fuel aircraft by Calliban [ 1 2 ]	Planetary transportation	47	2024-03-30 15:05:40 by Mars_B4_Moon
13 Education by Calliban	Not So Free Chat	16	2024-03-27 08:11:39 by tahanson43206
14 Electrostatic atmospheric confinement by Calliban	Terraformation	8	2024-03-12 09:06:55 by Calliban
15 CANZUK alliance by Calliban [ 1 2 ]	Not So Free Chat	26	2024-03-06 11:49:53 by Calliban
16 Poundbury by Calliban	Life support systems	1	2024-02-21 07:09:19 by tahanson43206
17 Rocket Launch Assist: Compressed Air, Liquid Air and Steam by Calliban	Science, Technology, and Astronomy	5	2024-02-16 11:17:03 by Terraformer
18 Alpha Particles Propulsion by Calliban	Science, Technology, and Astronomy	2	2024-02-09 09:31:27 by Calliban
19 Large Ship propulsion - Resistojet by Calliban	Interplanetary transportation	6	2024-01-20 08:11:24 by SpaceNut
20 Cast Basalt by Calliban	Life support systems	22	2024-01-14 13:13:49 by Void
21 Regolith Dust as Propellant for Large Ship by Calliban	Interplanetary transportation	1	2024-01-09 08:59:29 by tahanson43206
22 Technetium by Calliban	Life support systems	2	2024-01-06 18:53:45 by Calliban
23 Going Amish: Non-Electrical Power by Calliban	Science, Technology, and Astronomy	3	2024-01-03 18:45:40 by SpaceNut
24 Subsurface dry ice and liquid CO2 by Calliban	Human missions	5	2023-12-19 16:01:22 by Calliban
25 Hydraulic capsule pipelines by Calliban	Planetary transportation	9	2023-12-05 18:00:35 by Calliban
26 Direct Renewable Energy by Calliban	Science, Technology, and Astronomy	3	2023-12-05 17:07:34 by GW Johnson
27 Geology, Mars, Earth and Elsewhere by Calliban	Science, Technology, and Astronomy	3	2023-11-30 20:36:02 by SpaceNut
28 Cold CO2 powered vehicles by Calliban	Planetary transportation	13	2023-11-30 19:52:44 by SpaceNut
29 Cob, Adobe, Rammed Soil and Dry Stone as Construction Materials. by Calliban	Life support systems	2	2023-11-27 17:35:15 by SpaceNut
30 Velomobiles by Calliban [ 1 2 ]	Science, Technology, and Astronomy	25	2023-11-25 18:12:54 by Mars_B4_Moon

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