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/sci/ - Science & Math

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>> No.16243671 [View]
File: 39 KB, 779x394, jeff greason.jpg [View same] [iqdb] [saucenao] [google]
16243671

>>16243665
Plasma Magnet

>> No.16209799 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
16209799

>>16209783
>>16209786
>>16209788
only one man can get Neptune pics back in under 5 years

>> No.16188920 [View]
File: 39 KB, 779x394, jeff greason.jpg [View same] [iqdb] [saucenao] [google]
16188920

>>16188887
Alternatively, plasma magnet

>> No.16108282 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
16108282

>>16108265
>solar electric's niche as a low-thrust, high ISP station keeping or maneuvering thruster is secure.
plasma magnet sails will replace them outside magnetospheres

>> No.15793886 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15793886

>>15793840
Behead those who insult Greason

>> No.15734384 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15734384

New Jeff Greason
Sunbeam: Near-Sun Statites as Beam Platforms for Beam Driven Rockets

https://www.youtube.com/watch?app=desktop&v=dPWbdUUTcBA

>> No.15668426 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15668426

>>15668394
Behead those who insult Jeff Greason

>> No.15555730 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15555730

>>15555238
>You'd still need a nuclear reactor to SSTO with one
Nah, use Greasons beamed power
https://thedebrief.org/darpa-funded-electric-sky-on-threshold-of-aviation-revolution-with-whisper-beam/

>> No.15485086 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15485086

>>15485062
Recent-ish Jeff Greason interview, at 53 min he says that he's working on rapid crewed round trips to Mars and back using his plasma magnet + Q drive combo
https://www.youtube.com/watch?v=jSqp9j8tg5I

>> No.15414282 [View]
File: 39 KB, 779x394, greason astro.jpg [View same] [iqdb] [saucenao] [google]
15414282

>>15414244
>Together, small satellites with lightweight instruments and solar sails offer affordable access to deep regions of the solar system, also making it possible to realize hard-to-reach trajectories that are not constrained to the ecliptic plane. Combining these two technologies can drastically reduce travel times within the solar system, while delivering robust science. With solar sailing propulsion capable of reaching the velocities of ~5-10 AU/yr, missions using a rideshare launch may reach the Jovian system in two years, Saturn in three. The same technologies could allow reaching solar polar orbits in less than two years. Fast, cost-effective, and maneuverable sailcraft that may travel outside the ecliptic plane open new opportunities for affordable solar system exploration, with great promise for heliophysics, planetary science, and astrophysics. Such missions could be modularized to reach different destinations with different sets of instruments. Benefiting from this progress, we present the "Sundiver" concept, offering novel possibilities for the science community.
https://arxiv.org/abs/2303.14917
2 years to Jupiter? Why not 3 weeks with a plasma magnet?
https://www.centauri-dreams.org/2021/11/19/wind-rider-a-high-performance-magsail/

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