Subject / Started by | Replies / Views | Last post |
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18 Replies
4152 Views |
07/16/2020 12:47 pm by edzieba |
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9 Replies
4158 Views |
03/26/2006 12:27 pm by mong' |
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Black Holes and Space/Gravity
Started by Joe_Limon |
16 Replies
4163 Views |
10/25/2015 11:08 pm by Carl G |
Graphene strengthing of metals
Started by JasonAW3 |
10 Replies
4163 Views |
09/30/2013 01:24 pm by JasonAW3 |
10 Replies
4169 Views |
07/02/2010 08:17 pm by Robotbeat |
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9 Replies
4171 Views |
01/07/2017 05:17 pm by meberbs |
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Ajax and related projects
Started by isa_guy |
15 Replies
4184 Views |
11/09/2009 02:37 pm by isa_guy |
LiftPort Testing Beanstalk Tech
Started by realtime |
9 Replies
4198 Views |
04/13/2007 01:41 am by kfsorensen |
Solar output as argument for HSF?
Started by JohnFornaro |
17 Replies
4198 Views |
08/06/2009 08:39 pm by cgrunska |
13 Replies
4203 Views |
12/16/2013 12:04 pm by Stormbringer |
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Mass drivers for propulsion
Started by Nilof |
7 Replies
4213 Views |
03/09/2018 08:13 pm by Coastal Ron |
Space Launch Loop
Started by Robert Williscroft |
5 Replies
4214 Views |
03/07/2018 02:59 am by gbpfan12 |
4 Replies
4232 Views |
02/01/2006 12:51 pm by AndyMc |
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20 Replies
4235 Views |
05/08/2023 07:53 am by redneck |
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23 Replies
4241 Views |
08/04/2021 12:12 am by Chris Bergin |
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Flexible Wing/Geometry Technology
Started by sanman |
8 Replies
4248 Views |
05/04/2015 03:13 pm by sanman |
11 Replies
4254 Views |
08/22/2023 03:54 pm by Vahe231991 |
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14 Replies
4255 Views |
12/21/2019 06:21 pm by meberbs |
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Idea for a propellantless drive
Started by scienceguy |
10 Replies
4277 Views |
12/01/2016 03:56 am by 1 |
Ion thruster Mark 2
Started by pberrett |
14 Replies
4277 Views |
07/03/2012 09:32 pm by Robotbeat |
Pulse Detonation Engines
Started by Falcon H |
7 Replies
4279 Views |
06/13/2013 02:03 am by Asteroza |
15 Replies
4284 Views |
09/15/2016 01:06 pm by Solman |
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Chemical electric hybrid engine
Started by Andrew_W |
11 Replies
4292 Views |
02/28/2012 03:19 am by Andrew_W |
14 Replies
4299 Views |
05/31/2009 11:56 am by khallow |
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"Via Belbruno"
Started by alamo |
3 Replies
4304 Views |
01/10/2011 03:02 pm by alamo |
Any News on Hybrid Rockets?
Started by DaveJes1979 |
12 Replies
4305 Views |
10/29/2008 06:28 am by Carolynne |
14 Replies
4307 Views |
07/07/2023 04:29 pm by Vahe231991 |
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Venus: Gravity at high altitudes
Started by Toldreyn |
7 Replies
4310 Views |
04/13/2008 07:52 pm by hmh33 |
Self Replicating Spacecraft
Started by cjackson |
14 Replies
4311 Views |
04/09/2015 04:36 pm by veedriver22 |
11 Replies
4318 Views |
08/23/2018 06:38 pm by Tulse |
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Anti-gravity
Started by uperkurk |
13 Replies
4320 Views |
08/05/2008 10:53 am by Svetoslav |
12 Replies
4336 Views |
05/08/2007 12:45 pm by eeergo |
|
NASA's Solar Thermal Engine
Started by SciNews |
13 Replies
4353 Views |
07/09/2022 10:58 am by Proponent |
Gravity Solar Lensing Telescope
Started by cryogenicvalve |
19 Replies
4355 Views |
12/16/2023 02:49 pm by grondilu |
10,000psi chamber pressure
Started by jabowery |
6 Replies
4358 Views |
02/21/2019 03:39 pm by jabowery |
E-Sail: electric solar wind sail
Started by docmordrid |
9 Replies
4359 Views |
12/12/2018 09:43 pm by Raj2014 |
Boostback TSTO
Started by jongoff |
7 Replies
4361 Views |
05/18/2009 10:29 pm by zaitcev |
Mars Disalinization Plant
Started by space_man |
11 Replies
4374 Views |
08/12/2011 09:43 pm by ArbitraryConstant |
Near C velocity+Friction In space=Boom?
Started by jjmfdl |
8 Replies
4381 Views |
02/17/2009 07:11 am by Crispy |
8 Replies
4383 Views |
01/03/2013 08:55 pm by MattJL |
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16 Replies
4385 Views |
11/17/2018 12:40 pm by KelvinZero |
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11 Replies
4386 Views |
08/07/2017 09:39 pm by Patchouli |
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Lunar Slingshot Rail
Started by Aeneas |
19 Replies
4401 Views |
06/18/2020 03:03 pm by Lodrig |
Plasma Heat Shield & Re-entry Control
Started by sanman |
5 Replies
4402 Views |
06/04/2018 06:01 am by john smith 19 |
The Shell Ocean Discovery X-Prize
Started by sghill |
10 Replies
4419 Views |
12/17/2015 11:56 pm by Zed_Noir |
Carbon fiber ballon tanks?
Started by LouScheffer |
12 Replies
4444 Views |
08/05/2018 11:57 pm by Asteroza |
17 Replies
4446 Views |
09/10/2017 06:46 pm by Elmar Moelzer |
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10 Replies
4455 Views |
06/17/2012 07:50 pm by vulture4 |
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Gas-generator Turbopumps
Started by gin455res |
8 Replies
4458 Views |
04/20/2011 11:45 am by STS-200 |
9 Replies
4473 Views |
02/01/2011 04:52 pm by Nomadd |
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