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  2. Theoretical spacecraft propulsion - Wikipedia

    en.wikipedia.org/wiki/Theoretical_spacecraft...

    The Nano electrokinetic thruster is a theoretical space propulsion system based on the principle of electro-osmosis (also electroosmotic flow). It allows for a high specific impulse and high thrust-to-power ratio as well as a high final velocity which makes it suitable for a wide variety of applications.

  3. Direct Fusion Drive - Wikipedia

    en.wikipedia.org/wiki/Direct_Fusion_Drive

    The Direct Fusion Drive (DFD) is a theoretical spacecraft propulsion system that derives its name from its unique capability to generate thrust directly from nuclear fusion, bypassing the need for an intermediate electricity-generating process.

  4. Nano electrokinetic thruster - Wikipedia

    en.wikipedia.org/wiki/Nano_electrokinetic_thruster

    The Nano electrokinetic thruster is a theoretical space propulsion system based on the principle of electro-osmosis (also electroosmotic flow). It allows for a high specific impulse and high thrust-to-power ratio as well as a high final velocity which makes it suitable for a wide variety of applications.

  5. Spacecraft propulsion - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_propulsion

    Spacecraft propulsion technology can be of several types, such as chemical, electric or nuclear. They are distinguished based on the physics of the propulsion system and how thrust is generated. Other experimental and more theoretical types are also included, depending on their technical maturity.

  6. Warp drive - Wikipedia

    en.wikipedia.org/wiki/Warp_drive

    A warp drive or a drive enabling space warp is a fictional superluminal (faster than the speed of light) spacecraft propulsion system in many science fiction works, most notably Star Trek, [1] and a subject of ongoing real-life physics research.

  7. Alcubierre drive - Wikipedia

    en.wikipedia.org/wiki/Alcubierre_drive

    The Alcubierre drive ([alkuˈβjere]) is a speculative warp drive idea according to which a spacecraft could achieve apparent faster-than-light travel by contracting space in front of it and expanding space behind it, under the assumption that a configurable energy-density field lower than that of vacuum (that is, negative mass) could be created.

  8. Sierra Space, valued at $5.3 billion, eyes IPO to 'accelerate ...

    www.aol.com/finance/sierra-space-eyes-ipo-market...

    Sierra Space, one of the space industry’s most valuable private companies, plans to go public within the next 18 months, according to its CEO. Sierra Space, valued at $5.3 billion, eyes IPO to ...

  9. Spacecraft design - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_design

    Recent developments in spacecraft design include electric propulsion systems (e.g. ion thrusters and Hall-effect thrusters) for high-specific-impulse propulsion, solar sails (using solar radiation pressure) for continuous thrust without the need for traditional rockets, [3] additive manufacturing (3D printing) and advanced materials (e.g ...