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r, in this case, is the distance from the center of the cylinder. The radius of the cylinder, if you will. It doesn't matter whether a room in an O'Neill has a roof or not, or if it's hermetically sealed, or if it has a higher or lower than normal air pressure; the gravity in it will be the same. Just like on Earth. What will matter are the terms in the ...


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An enclosed room would have no effect on the pseydo-gravitational pull, and the origin will, indeed, always be the rotational axis of the cylinder. Air pressure will likewise have no effect on the forces involved, though it may have an effect on the individuals present in the enclosed room.


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This method of making humans more g-tolerant is based on one that I read in Joe Haldeman's The Forever War. However, this answer may include my own ideas and/or omit various features mentioned in the book. By immersing a human in a liquid in which they are neutrally-buoyant (Water with a solute content that has the same density as the human body), as g-...


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Mass dilation Given a few years of R&D (the same as required for any solution, it could be less if you don't need to work the kinks out) and such a ship (perhaps three ships for direction-changes), you can build a kind of warp-drive. Mass dilation isn't too practical for bending space without handwavium that can accelerate it arbitrarily fast and in ...


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Teleporter Victim Finds Fulfillment With Our Enlightened Corporation Last year, flags at Gryydy Aerospace (1) flew at half mast in recognition of a terrible accident at Instaporter, a fully independent subcontractor (2) exclusively serving our Corporation. Their first human test ended when the astronaut, whom we shall not name for privacy reasons, became ...


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This human has neither bones nor nervous system. https://www.lubbockinfertility.com/blog/2019/04/01/how-long-do-frozen-embryos-197441 What Is the Oldest Frozen Embryo Successfully Used? As of now, the oldest frozen embryo used was 24 years old. This frozen embryo was donated to a young couple in 2017; the mother was 26 years old at the time, and her husband ...


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It's been very thoroughly hushed up, but two of the world's governments got into contact with a competing "someone" who offered a different technology. Originally aimed at much more primitive space launch methods (effectively, gun into space a la Jules Verne), the aim was to allow a living human to survive the effects of tens of thousands of G. ...


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Localised time anti-dilation. No one wants to come back to their wife who is now 20 years older than them after what seems like 6 hours to them. If you're the feds, you can afford to keep Ω close to 1. Millionaires are happy enough with 2. In an alternative (more realistic) embodiment, localised time dilation is applied at home to wifey. Of course, your ...


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Faster than light (or just very high power /accuracy) communications. It's all very well to send your drone ship to Alpha Centauri but now you have horribly weak radio signals with a latency of years controlling your ship. Thank God that it was a drone, if it had a crew, things would be even worse. One riff on this idea could be that the only practical way ...


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The unobtainium that powers these things. Much like today you can't get to your hands on enriched uranium, even if your really really want a nuclear powered ship. In the future whatever unobtainium that powers the spaceships will be heavily restricted to the militaries of superpowers only. Everyone who got handed a spaceship will be ordered to hand them over ...


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Marko Kloos's Palladium Wars series confronts this exact question. In this space opera series, ships do indeed have reactionless drives. And what restricts the ships' comparative power is acceleration compensation (a kind of anti-gravity) and structural design. That is, anyone can pump enough power into the drive to accelerate at 25G, but if your crew is ...


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In the world of 1g acceleration the 2g acceleration man is king. The military is gonna have to keep anything that lets humans withstand more gs out of civilian hands. Gene mods to make people tougher, goo pods to cushion sharp turns, cybernetics to limit trauma. This will let military and government ships endure much harsher acceleration than civilian ships. ...


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By definition a reactionless drive has no fuel and there is no cost to travel, that's why they're on the "friends don't let friends have" list for writing sci-fi. Ash Frame challenge: there isn't anything that any military or police can do to prevent abuses of a reactionless drive that doesn't require fuel and produces nothing else but unlimited ...


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You don't need to worry about the crew if there is no crew. Therefore army and police will strictly control all the means of transforming a human guided vehicle into a remotely controlled one. In this way anybody using the reactionless drive on a vehicle to escape would be limited by the human inside it, while the remotely operated one would not suffer this ...


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Extortion Remember, the particular goods are not the target, the wealth is. Since getting close and at the right speed is rather improbable, change tactics. Threaten to blow up the ships. If your pirates have developed a reputation or can offer proof that they can and will destroy the ship; the crew, or the ships owner (or insurance), will pay in a crypto ...


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