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Topic | Replies | Views | Last post |
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44 | 14,215 | 2023-03-20 07:14:44 by Mars_B4_Moon |
2 |
128 | 20,238 | 2023-03-05 19:51:02 by kbd512 |
3
Sticky: Trough Solar Collector- Design- Construction- Operation- Maintenance by tahanson43206 [ 1 2 3 4 ]
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98 | 15,688 | 2023-01-20 18:30:49 by SpaceNut |
4 |
144 | 46,102 | 2023-01-12 18:42:41 by SpaceNut |
5 |
39 | 35,551 | 2022-09-13 03:51:50 by Calliban |
6
Sticky: How to Prepare Water for Use: Drinking - House - Farm - Manufacturing by tahanson43206 [ 1 2 ]
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46 | 9,294 | 2022-08-16 18:02:55 by SpaceNut |
7 |
33 | 17,230 | 2022-04-09 16:20:57 by SpaceNut |
8 |
101 | 15,133 | Today 13:01:32 by Mars_B4_Moon |
9
Balloon for Exploration of Venus at Higher Elevations by tahanson43206
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15 | 372 | Today 10:22:06 by tahanson43206 |
10 |
123 | 73,541 | Today 07:37:21 by Mars_B4_Moon |
11
Liquid Nitrogen - Production - safe keeping - Applications by tahanson43206
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1 | 19 | Today 06:54:53 by tahanson43206 |
12 |
13 | 176 | Yesterday 20:07:01 by SpaceNut |
13 |
174 | 10,463 | Yesterday 14:00:19 by Mars_B4_Moon |
14 |
58 | 1,466 | Yesterday 12:07:37 by Calliban |
15 |
62 | 28,492 | Yesterday 09:00:34 by Void |
16
Optical Astronomy by tahanson43206
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21 | 1,010 | Yesterday 04:01:38 by Mars_B4_Moon |
17 |
265 | 102,427 | Yesterday 03:45:05 by Mars_B4_Moon |
18 |
26 | 443 | 2023-03-23 19:56:31 by SpaceNut |
19 |
50 | 5,256 | 2023-03-23 11:43:23 by tahanson43206 |
20 |
16 | 10,219 | 2023-03-23 09:59:28 by tahanson43206 |
21 |
304 | 62,079 | 2023-03-23 08:00:12 by Mars_B4_Moon |
22 |
103 | 23,543 | 2023-03-22 09:31:50 by Void |
23 |
52 | 1,396 | 2023-03-22 08:58:43 by Void |
24 |
29 | 9,544 | 2023-03-22 07:42:41 by Mars_B4_Moon |
25 |
8 | 1,633 | 2023-03-22 06:57:29 by Mars_B4_Moon |
26 |
109 | 8,794 | 2023-03-22 06:57:08 by tahanson43206 |
27
Hybernation using today's medical technology by RobertDyck
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12 | 2,106 | 2023-03-22 06:12:30 by Mars_B4_Moon |
28 |
266 | 11,046 | 2023-03-21 19:28:36 by SpaceNut |
29 |
88 | 33,179 | 2023-03-21 18:29:17 by Mars_B4_Moon |
30
Seebeck effect Peltier effect Physics and Practical application by tahanson43206
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8 | 189 | 2023-03-21 09:08:36 by tahanson43206 |