Just want to point out that Deuterium is abundant in earth's oceans. It is Helium-3 that is rare on Earth. I am not sure what fusion process that is used in the Expanse, but the supply of deuterium is not the problem.
Its not the only wrong statement in this video: - The first fusion drives will probably be Deuterium-Tritium or Deuterium-Deuterium-reactions due to their availability on earth. - The epstein-drive is believed to be a He3 - Deuterium-Reaction (since its aneutronic and fits the performance figures). - He4 - p+ is not a valid a fusion reaction for energy generation or drive applications.
Interestingly enough, a new form of deuterium has been discovered. It's called (fittingly) super-dense deuterium. It could be revolutionary because the atoms are already so close together that it should be much easier to create and sustain a fusion reaction. I'm betting this will be what gets our first commercial (both land and space) fusion reactors going. Deuterium is not ideal because you get a shit ton of neutrons, which are not only useless for power generation but extremely hazardous and hard to shield, but it's enthalpy is still far superior to any fission fuel and will generate significantly less high-level waste. Helium will be a massive improvement in every way once we figure out how to get enough of it, and I'm betting ships in The Expanse use one of the Helium reactions. Maybe someday we will get artificial hydrogen fusion to work, like our star, and then we're really cooking
I think your acceleration is off. A human on earth experience 1G force constantly on the surface. In space, with zero acceleration you have 0G force. Accelerate a 1G, you experience the same force you get on earth's surface. A normal, healthy human can handle 1-2G constant acceleration with no problem. Commercial aircraft accelerate at about .5G on takeoff, but keep in mind that the spaceships in the Expanse are built with a vertical orientation, so a 1.5G acceleration is just like normal gravity increased 50%.
@@acron23 I remember when they were introducing the Marian Marines and they said that Martians travel at 1G so that if they invade earth they won't have to adjust. But I don't remember hearing anything about belters, so I think you are right there. They might be able to sustain a bit higher, but there ships must still be pretty slow compared to Earthers.
@@Gersh_Binglander Well there was that one time where they had to interrogate a Belter on Earth and had to put him in a water tank because without it that was considered a torture method to the Belters
@@Gersh_Binglander in the book Bobby when she arrives at Earth says (thinks) something among the lines that feeling Earth gravity makes her realize that they would never be able to invade
We can not survive a 2G constant acceleration, the heart will pop. Jupiter is 2,5 G for comparison. A 1.5G acceleration will also not gone happen, for us 'Earthers' the acceleration needs to be a constant 1G to maintain muscle mass and not to get an aneurysm.
The BIG breakthrough of the Epstein Drive was FUEL ECONOMY . Orders of Magnitude improvement . But extra performance as well . The would be no reason whatsoever for us Inalowda not to Burn at 1g constantly . Standard Earth Gravity equivalent . It was the Belters , that grew up in Space , that had problems with 1g constant . Their Skeletons and Muscles struggled at Earth Normal . Mars also has lower gravity than Earth .
well done! - the US fusion news made me want to take a look at the fusion drive animation - as its artistically correct to what scientifically occurred
What? I’m a less than fit older adult thriving nicely under 1 G acceleration all my life here on earth. What do you mean can withstand only 1/3 G. You do understand that acceleration and G force are equivalent, right? At least according to Einstein and all of modern physics.
In the Expanse the Martians, Belters or anyone from Luna have difficulty with 1G from living most or all of their lives in microgravity. Any all Earther crew would be comfortable in 1G.
People from earth are not the only ones zooming around in space within the expanse, most ships now have to share space with people who lived all their life on Mars or on space stations who can no longer handle 1g
Earth based crews would have an advantage since they could sustain 1g burns, also did you use Newtonian or relativistic calculations, the ships will be accelerating visibly slower as the speed gets closer to light speed
So when the flip and burn, what gravity are they feeling? Are they still walking on the deck? I’m thinking and on the start of the journey the engines and under them pushing, so they are being pulled toward them, but in the reverse, how does that work?
If they were using retro rockets to decelerate that would be a problem. But with the flip and burn technique they would still able to walk on deck. One the ship has hit Max speed everybody on board would be moving the same speed as the ship. At this point everybody would have to strap in for the flip. But once the ship began the deceleration burn the thrust would be slowing the ship while the ship was slowing your body. This would create the same effect. I hope that makes sense. It's clear as day in my head but I'm not sure if I'm communicating it clearly.
I guess it would be similar to being in a high speed elevator at zero-g. As it "climbs", your body is pressed down to the floor (Positive G). Then at midpoint, the elevator flips and decelerates. You are still going to be under positive G because you are still being pressed towards the floor. Except this time, it is your body's inertia that is pressing you against the floor that is decelerating. Just be sure to follow safety protocols during the flip :)
@@esics8123 They did a brilliant job of portraying that in the show, hell in the first hour they showed exactly what you're talking about. Everybody straps in to their couches, and they get "juiced" to increase survivability. We don't have anything like this juice (yet), but it consists of things that allow your body to maintain blood circulation under extremely high G conditions, along with some narcotics it would seem
@@SurfTrekTonics Nope. In the US two different miles on land are used. The english or statute mile and the survey mile. Also nautical miles are not only used for ocean measurement but for aviation as well. A nautical mile corresponds to the 60th part of the distance between two adjacent integer degrees of longitude at the equator. Because the aviation standard is nautical miles and on land there are other definitions, it's always better to use the metric system to not confuse the people. That's why distances in space are always measured in kilometers, distances within a solar system in AUs and distances between stars in light years. The standard for measuring speeds in space is always kilometers per second or pecentages of light speed. I don't try to offend you. I simply want to share knowledge. ;-) Thanks for the video. I enjoyed it.
What was the population of the Laconia empire? If the Laconia population is low, how can why capture the sol system while the sol system has 32 Billion inhabitants? Why???
Good question, it seems the Martains were sending ships through the Laconia ring for most of S4 and S5. One point the UN Staff said 80 plus ships had made authorized transits in S4 mentioning various others had slipped past. I would estimate around 200 or more ships made it to Laconia so maybe around 20,000 colonists? There is a 30 year gap before the Laconian Empire is discovered and it is not really about their overall population, but how much more advanced their technology is from using the protomolecules and the ancient structures on orbit. Also Martains seem to be experts in massive population growth. After Earth and Mars confirm the rogue fleet had the protomolecule samples the best course of action would be to destroy the SOL ring gate, if that is possible...
I still don't understand why a 1g burn would be dangerous or uncomfortable for an earth crew. I personally felt like the UN fleet should have an advantage developing under higher gravity.
Honestly, I bet it feels wonderful not to feel your full weight at 1G. Sure it might have negative side-effects on your bones due to prolong exposure of anything less than a 1G but they obviously have the medicine to mitigate that, however that would only be applicable to Earthers who have reached adulthood on Earth. I'd also imagined that doing any heavy lifting would be a breeze in 1/3G. Plus, I wonder what the qualification to join the UN Navy. What if Earth owns your space station, are you allowed to enlist? If that's the case, I can see some Earth Marines being Belters in origins IF they chose to join the UN Navy.
I think he is thinking about gs as we understand it on earth, which is the addition of force on top of the gravity already present. 1g of acceleration(from a rocket) in a zero-g environment would feel like Earth gravity, where as it would feel like 2 gravities here on Earth, making you feel twice as heavy. When thinking of it in that way, what he is saying is that a physically fit person could withstand another 0.5g of continuous sustained acceleration on top of the already 1g Earth gravity. It's either that or I'm missing something.
@@avatariroh0543 No, even on earth we don't null earths gravity: a rocket does always have to overcome earths gravity, therefore all rockets launch with >1g of acceleration. The reason ships in the expanse usually only do 0.3g is due to fuel economy. Yes, 1g gets you there faster, but you will be burning a lot more fuel. Why would you do that, when you got the time?
@@axel252425 let me bring in another example. When talking about a maneuvering fighter jet, g-force is the addition of force on top of the force of gravity. Pulling a 5g maneuver means that 6gs of force are acting on your body. Rockets will experience this too unless they are in a state of free fall. Yes, a rocket must overcome the force of gravity, but that doesn’t mean that gravity ceases to exist. In the video, he wasn’t talking about a rocket launch, he was talking about a sustained acceleration through the Solar System. That is what I was replying to. He also wasn’t talking about fuel efficiency, but the max survivable sustained acceleration. 1/2g of acceleration would be easily survivable for anyone who lives here on Earth, we withstand ~1g every day. His statement therefore doesn’t make sense unless he is talking about an additional 0.5g on top of 1g. Now, I’m no expert, but this is how I understand it.
@@TheRoyaLegion That's a very interesting point you make. While the Martian military approximates 1G in training, it's no substitute for growing up in it. The MCRN & MMC should really struggle to even match, much less outmatch the maneuvers of a UN crew. As for belters joining up, it's shown plenty of times that UN folks really look down on them. And a military force cannot afford to accept people physically incapable of keeping up with the majority of it's personnel. If you're the one Belter on a UN warship, you will have a hell of a time in combat maneuvers. Even 1G would floor you while the rest of the crew would be laughing. Unacceptable risk I'd say, I mean from the perspective of UN command
Stand up. You’re experiencing an acceleration of 1G in Earth’s gravity well. Stating that all sorts of training & tech is needed to allow a crew to withstand a 1G constant acceleration is fallacious. Without a reference point, one would not be able to discern standing in a windowless room on Earth vs standing in a windowless compartment on a ship providing a constant 1G acceleration. That’s not just my opinion. That’s according to Theory of General Relativity; what I stated previously about a reference point and a 1G acceleration is one aspect of General Relativity that has experimental confirmation.
The ships they developed by the time of book 7 were a mix of human tech and protomolecule "biotech". But they barely understood the protomolecule tech they were using to grow their ships themselves. It is also kinda implied in the books that the only method of FTL travel is through a wormhole like the ones used by the rings.
I have never thougth of a country with a very low population and advanced technology.anyway Is it possible than ,than country world conquer a country with a population ten times larger than me?? Population of laconian :50.000.000 People in 40 year😆 I still cannot inmagine a sol-laconi battle
Well I would compare it to a modern day Aircraft Carrier taking on warships in the early 20th century. I would assume one Nimitz or Ford Class Carrier could take on the entire worlds navy in 1918. The massive technological gap would outweigh the numerical advantage.
@@SurfTrekTonics Well Nimtz would run out of munition and still be overwhelmed by sheer numbers, I think a entire US carrier group with nuclear subs (With full nuclear arsenal) might be a different story
@@spark5558 I think there would be enough anti-ship missiles and bombs on a carrier air wing to sink enough ships to cause the naval fleets of 1917 to surrender after shock and awe sinks 60 warships in a matter of minutes, also I would assume a carrier would have some tactical nukes for any hold outs...
@@SurfTrekTonics battleships can take multiple anti ship missile hits. Nuclear tipped ones are different especially for crews even if the ship survives
