Can Nuclear Propulsion Take Us to Mars?

17 apr. 2021
1 447 253 Weergaven

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Writer/Narrator: Brian McManus
Editor: Dylan Hennessy
Animator: Mike Ridolfi
Sound: Graham Haerther
Fact Checker: Charlie Garcia
Thumbnail: Simon Buckmaster

[7] Rocket Propulsion Elements
[14] &
Thank you to AP Archive for access to their archival footage.

Music by Epidemic Sound:


Thank you to my patreon supporters: Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Thomas Barth, Johnny MacDonald, Stephen Foland, Alfred Holzheu, Abdulrahman Abdulaziz Binghaith, Brent Higgins, Dexter Appleberry, Alex Pavek, Marko Hirsch, Mikkel Johansen, Hibiyi Mori. Viktor Józsa, Ron Hochsprung

  • Woops. The outro audio revealed Real Sciences next video by mistake. It's gonna be a banger though, ye should subscribe.

    Real EngineeringReal Engineering21 dag geleden
    • Another great video! I only know very very little about rocket science but have learned alot just from this one video. You mentioned not understanding at first how lower molecular weight creates higher specific impulse, and I don't know at all, but does it have anything to do with when propelling a lower mass molecule you "use/waste" less energy to propel that molecule than you would need to use to propel a higher mass molecule and the fact that you only have so much potential energy to begin with? Also would I wonder if it would be possible to carry water on board a craft, then use electrolysis to split the water into oxygen and hydrogen? Then the water would be potentially serving double purpose for fuel and producing breathable atmosphere on board? What little I know about electrolysis you would need potentially sacrificial anode and cathode elements and a certain ph/chemistry of the water to produce clean H and O. Oh I just remembered the water would need an electrolyte to be able to produce electrolysis, so that could interfere with getting pure hydrogen and oxygen from the water... Yea I'm really hoping you respond to clarify this. Again great video, great work and THANK YOU for producing great content.

      A OA ODag geleden
    • Slate oversight nuclear power would not be the only thing that I'd be able to do that fusion power would also be able to do it but as you probably know that's not really currently within reach

      redamatterredamatter2 dagen geleden
    • questions: 1. why can't an electron gun like one used in cathode tube be used to provide thrust? in that case there would not a need for a propellant. 2. fission reaction releases neutrons at speeds around 20000 km/s. can't that be directly used to provide thrust?

      mehmet demirmehmet demir6 dagen geleden
    • @wisdom seeker good work,

      Solar's StorysSolar's Storys9 dagen geleden

      Doesn't Jump to conclusionsDoesn't Jump to conclusions9 dagen geleden
  • There is a third nuclear option. Actually exploding atomic bombs as a means of propulsion.

    ian turpinian turpin28 minuten geleden
  • You have bigger problems to deal with on earth

    Black ZeroBlack Zero2 uur geleden
  • You forgot to list the songs in the description...

    KGBKGB2 uur geleden
  • I feel like I just wandered into an Intro to Interplanetary Space Domination course.

    truerthanyouknowtruerthanyouknow2 uur geleden
  • Great video 👍

    Dill sterDill ster3 uur geleden
  • Who would want to live on Mars? It doesn't have an atmosphere thick enough to burn up meteorite showers, doesn't have enough gravity to maintain bone health. The low atmospheric pressure, lack of oxygen and low temperature will require wearing a suit outside, which will get banged up, stinky and tiresome to wear. There's no magnetosphere to protect from radiation, no plants or animals to eat and no arable soil to farm. And worst of all, it's *FREEZING all the time.* Isn't that romantic?

    Ken JacksonKen Jackson3 uur geleden
  • A very clear way of explaining such a complex subject thank you. So how far are we away from testing a nuke hybrid drive in space, and what successful ways are there in existence to safely store hydrogen long term? Could the environment of space make this easier, or could it be made up there out of water (producing oxygen also). I guess a moon base is way overdue!

    I.C. GedyeI.C. Gedye4 uur geleden
  • Fire in rocket engine is not a controlled explosion

    inf11inf115 uur geleden
    • But it *is* picturesque speech.

      Ken JacksonKen Jackson3 uur geleden
  • There is a better way but we still need to find it..for now I feel we are still taking chances because human mechanical tech still fails and thats dangerous in the middle of space travel lol 😉..not just that but also the elements of space pose a danger with all that fuel on board..I mean just a small peanut sized object flying through space at a massive velocity could penertrate a fuel tank and BOOM..end of that expedition deffo..were still too slow I recon lol 👀 😆

    Fred NelFred Nel7 uur geleden
  • Water could be easier to store than hydrogen. Then nuclear power could separate the two. Hydrogen and oxygen are very useful in space. Water is also useful for protection from solar and cosmic radiation. And oxygen could be used as a fuel. The water could come from the moon. So a moon base would be useful. Hopefully, we could have a generation 4 reactor. Possibly with molten salt coolant. But sodium cooling may be better for use in space. Molten Salt Reactors on Earth could also produce Plutonium that is suitable for NASA's needs. Not requiring a fission reactor to produce energy. More like a nuclear battery.

    Terminus EstTerminus Est11 uur geleden
  • 14 days to Mars via Nuclear Salt Water Rocket (Angry Astronaut) Nuclear salt Water Rocket (Scott Manley)

    Rob DaviesRob Davies11 uur geleden
  • I feel silly for not knowing ion thrusters are real. That blue glow is so eerie, but so beautiful

    CaptainCat 15CaptainCat 1512 uur geleden
  • so we assemble nuclear ion drive ships in space

    chester clarkechester clarke12 uur geleden
  • With an ion engine, electrons get removed from xenon atoms to ionize them and the xenon atoms then get projected out the engine at extremely high speed. But what happens with all those electrons that get removed from the xenon atoms? Does the vessel end up accumulating an insane static charge?

    snapicvssnapicvs12 uur geleden
  • Okay this is great and all but why isn't it getting done? I understand the disdain for nuclear plants but everyone should be in agreement for nuclear powered spaceships in space. Especially to convert to electricity to fuel ion propulsion.

    twinkle152000twinkle15200014 uur geleden

    Fa HuFa Hu17 uur geleden
  • Good video.

    Hellscream GamesHellscream Games17 uur geleden
  • Can the hydrogen be stored in water molecules?

    Steve RichterSteve Richter18 uur geleden
    • Interesting. Could you split the molecules fast enough to supply the fuel?

      Ken JacksonKen Jackson3 uur geleden
  • Ain't that the nerv nuclear engine in ksp

    Pleb PlaysPleb Plays19 uur geleden
  • I'm hoping we figure out fusion soon enough that we can seriously consider fusion rockets. In particular, the ability to simply direct fusion exhaust out a nozzle is very attractive in my opinion. If we are lucky, we may do this in my lifetime.

    Cpt_KodaiCpt_Kodai20 uur geleden
  • *Me acting like I perfectly understand what's going on but I'm actually a bumbling idiot*

    Travis S.Travis S.Dag geleden
  • Nuclear engine Mars lander was designed by NASA in 1962 and was planned to land on Mars in 1972. This is VERY old news.

    Bill WitBill WitDag geleden
  • Good work !

    MarMarDag geleden
  • This makes me wonder if H3 (Hydrogen 3) will actually be something used as a propellant... Edit: Wouldn’t using heat sinks for the nuclear based engines be more useful? I mean don’t dump them into space obviously but I’m saying have it run on a few or more heat sinks at one time then put them outside for them to cool down while the other heat sinks are doing it’s job and when both have reached the satisfied temperatures (one set is hot and the other is cold) swap them again using an automated system?

    Robert JohnsonRobert JohnsonDag geleden
  • Humans are direct descendants of the race that lived on Mars. Its the only thing that makes sense. Even today mankind cannot replicate building feats such as the pyramids. The only explanation is that superior technology once existed on Earth. Where else could it have come from? Mars used to be like Earth. Humans destroyed its atmosphere and colonized Earth. Mars was abandoned. Now Earth is being destroyed, and humans fantasize about going to Mars. Ironic isn't it.

    slammerjaxslammerjaxDag geleden
    • @slammerjax

      henry hernandeezhenry hernandeezDag geleden
    • @henry hernandeez so not true.

      slammerjaxslammerjaxDag geleden
    • cap we can trace out dna from other animal on earth it is a good theory but it is no true but life could have came from a asteroid that hit earth

      henry hernandeezhenry hernandeezDag geleden
  • The question is not can, it is should, and there is a reason why no one have ever tried to fire a nuclear rocket.

    rphbrphbDag geleden
    • Though there was a nuclear powered aircraft at one time.

      Ken JacksonKen Jackson3 uur geleden
  • When are we going to Mars

    Stephen SheldonStephen SheldonDag geleden
    • 2030 but nasa is testing the rocket that is going to bring us there this year

      henry hernandeezhenry hernandeezDag geleden
  • can u pls follow up on the analysis of hydrogen as fuel for automobiles...???

    Mohd AamirMohd AamirDag geleden
  • 👨‍👦

    sohrab roshansohrab roshanDag geleden
  • Railgun

    NO NAMENO NAMEDag geleden
  • This video is very fun and easy to learn, unless if you look at the comment seeing Delusional people thinking its all fake and its all CGI.

    AulyaAulya2 dagen geleden
  • if you could only know the Truth about zero Point Energy/travel, but the mil. Ind. Comp. already tackled that long ago.

    KIKETEVECU2KIKETEVECU22 dagen geleden
  • Talk to David Adair, the rocket he made the fastest rocket ever took off at 8 thousand miles in 4 seconds and I believe him because he was rocket builder since young kid >>>>> >>>

    KIKETEVECU2KIKETEVECU22 dagen geleden
  • Thinking about the space junk that has gathered and has to be tracked mostly around Earth since the 1950s, what is the effect on space vehicles and space stations encountering ion streams or other particles with high velocities that might be found in planetary or solar orbits and where will those particles go? Are they, at 40 km/s at any kind of escape velocity? Will they tend to reenter Earth's, the moon and Mars' orbits?

    Ian GreenIan Green2 dagen geleden
  • Thumbnail shows a ship from the Martian film the Hermes. Was a good futuristic ship that NASA might build one day.

    SR71BETASR71BETA2 dagen geleden
  • Just a quick reminder folks, there's absolutely no escape from planet earth. Just Take good care of this beautiful world full of abundance of everything us humans and all other lives require to thrive. It's a waste of money trying to escape because it's forbidden by mother nature.

    George KymanyGeorge Kymany2 dagen geleden
  • i got an idea for a video... talk about memristors! those are some nanoelectronics elements that have very interesting properties and aplications

    Mikael MarvinMikael Marvin2 dagen geleden
  • Make a video about a sky hook

    Amirali BoisovAmirali Boisov2 dagen geleden
  • Future Technology 👈

    Future TechnologyFuture Technology2 dagen geleden
  • In the nuclear powered ion drive, cannot you use xeon as reactor coolant, so that it carries heat away from the reactor into the ion drive chamber?

    Dont KnowlerDont Knowler2 dagen geleden
  • What about Liquid Fluoride Thorium Molten Salt Reactors? They gonna use something in space that they will not allow us to use on earth?

    Soteriology101Soteriology1012 dagen geleden
  • Why do we want to leave a perfectly good planet? It just seems dumb.

    Rives DoeRives Doe2 dagen geleden
  • What's the song that was playing around 12:00 - 12:20

    GinoGino2 dagen geleden
  • Em drive were debuked by showing the warping in the system calculating its trust value. Making a new zero when warped by heat so it looked like propusion where there were non, they used another type of heat to show the error.

    JULEMANDEN99JULEMANDEN993 dagen geleden
  • The need for metallic hydrogen is real, really close to reality.

    Chasing CapsaicinChasing Capsaicin3 dagen geleden
  • and yet we're STILL under the delusion we can colonize it's a backyard camp trip....not gonna happen with our current tech

    kantraxo ikolkantraxo ikol3 dagen geleden
  • xenon is a rare earth element only 1 part in 20,000,000 part in earth's atmosphere. krypton is far more common found in 1 part in 1,000,000 in earth's atmosphere.

    D GilliesD Gillies3 dagen geleden
  • What say you, Elon? Elon: I on it.

    Ottee2Ottee23 dagen geleden
  • Pretty amazing for a species that just figured out flight in 1903.

    MATTWERMATTWER3 dagen geleden
  • Can you do a video on how the hoover dam was created. Idea came from after seeing a cringe tiktok'er trying to explain how it was impossible to build but does not bother to pay attention to the engineering of it.

    Kevin OlmedaKevin Olmeda3 dagen geleden
  • What's the song at 9:57?

    Nelson WongNelson Wong3 dagen geleden
  • Hope not. So destructive animals like human should stay on one planet which already destroyed. Let s look at planet Earth from global view wars, famine, primitive monetary system causes poverty... and do you wanna fly on another planets? Seriously? I would say first get evolved then travel. Do not spread stupidity over the universe.

    money talksmoney talks3 dagen geleden
  • Wonderful content!

    Cezary KrasnodębskiCezary Krasnodębski3 dagen geleden
  • "Using gravity assists to visit our closest neighbors makes little sense". Uhm, perhaps you meant to say "RELYING upon gravity assists to visit our closest neighbors sucks". There is nothing inherently wrong with using gravity assists when they are available.

    Mike McCloskeyMike McCloskey4 dagen geleden
  • isn’t space colder then the hydrogen so what’s the challenge keeping it in cryogenic temperature ?

    whiterabbitangelwhiterabbitangel4 dagen geleden
  • Hopefully we won’t need Nuclear Power innovation will ding a Better Way

    DJ AshDJ Ash4 dagen geleden
  • Us?

    VirtualEnglishStudioVirtualEnglishStudio4 dagen geleden
  • Why can’t we build spaceships in space?

    Audit ReconAudit Recon4 dagen geleden
  • The solution is simple. Stage the launch from the moon. It saves the fuel needed for escape velocity.

    Thegoodtom 1Thegoodtom 14 dagen geleden
  • My hope is to see Linear Magnetic Accelerators on the Moon. I see this as a practical way of getting mostly supplies to Mars and beyond. To slow down the "Packages", I envision a series of cells at the front of the craft consisting of alternating layers of Lunar Regolith and explosive charges. Basically shedding mass in the direction of travel should take the velocity down to a manageable level.

    Matthew SermonsMatthew Sermons4 dagen geleden
  • Crap, it’s about temperature, reactors have low temperatures

    Baldur VizlaBaldur Vizla4 dagen geleden
  • Mers

    Lukas w.Lukas w.4 dagen geleden
  • Absolutely perfect video. Love these rocket science videos. Fun to watch and even beats school in terms of how much there is to learn! Really wish schools would recognize how great your videos are and promote them.

    AlrightyDaveAlrightyDave4 dagen geleden
  • Maybe but the Intergalactic laxative can.

    dinger40dinger404 dagen geleden
  • Some simple but hopefully effective solutions I have to some of the problems you present are: 1. Nuclear electric ion drive cargo / fuel hauler with LOX/LNG engines for short, quick delta-v burns such as orbital capture. At this maybe focus on getting a good LFTR reactor built with dual stage power generation in order to minimize radiator size and maximize power output. Even molten sodium reactors that have been run on Earth for decades would be a huge step up from light water reactors. If you have SpaceX's Starship making many trips to LEO between transfer windows, these reactors may end up being on the GWe scale. For dual stage power generation from LFTR, the main reactor loop would have molten salts. Then go through a heat exchanger to a helium loop driving gas turbines. After this use a custom phase change fluid not too unlike what they use to cool crypto mining rigs except optimized to a different temperature determined to be best for the secondary loop where it is also easy to condense back into a fluid in a closed loop when cooled (like what they do with refrigerants. Then cooled back to the optimal input temperatures through space radiators. With most of your mass on this robotic ship including as much fuel mass as possible, it opens options for what can be done with the passenger ship. 2. Use nuclear thermal for reusable rocket boosters on the crewed ship to help it break free of Earth's gravity and then fly back to LEO. Maybe even aerobrake the boosters when getting back into LEO if it makes sense to. This way a lot of your delta-v for the mission comes from rocket components that only are fueled for a short period of time and then have a long stay in Earth's orbit where they can be inspected relatively easily and prepared for the next mission in a couple of years. 3. If you end up needing to minimize the time hydrogen is stored and can't get around it, the crewed ship could do a combination of using LOX/LNG after the nuclear thermal boosters have done what they can do and separate to return to LEO and use nuclear electric like what is described above to speed along the 'coast' phase of the mission. 4. Especially if you are doing thousands of Starship launches between transfer windows like Elon Musk talks about doing, not sure why a large ship couldn't have a variety of propulsion systems on board and dedicated engines for each propulsion system? 5. While not a topic of this video, going to large transfer ships to Mars can also help tackle a number of other issues with making the journey to Mars and beyond such as radiation shielding as surface area is a square factor where volume is a cubic factor, artificial gravity as with size you can make slower spinning drums to get the same amount of centripetal force as smaller rings, and fuel to Mars as a big robotic cargo and fuel hauler using ion propulsion can efficiently move that fuel into Mars' orbit. I suppose this would also kill your very long ship graphic as the surface area minimization deal for radiation shielding as well as artificial gravity pushes the design to more of a fat cylinder or even a double bubble where two counter-rotating cylinders are placed next to each other so they can counter-balance the torque of spinning up and down as well as providing good stability to keep the ship oriented correctly. With a stationary outer shell around the cylinder(s) containing the radiation shield, which itself would probably largely be composed of supplies and then compressed garbage / waste as the mission continues on, there would be less structural stress on the rotating cylinder(s) to hold all of this shielding material.

    Jason SnyderJason Snyder4 dagen geleden
  • I do not know if it can take us to Mars but one thing is sure is that it will take us Hell ,Destruction and DEATH.

    Daniel De CarufelDaniel De Carufel4 dagen geleden
  • Taking screenshots and going to study this! Gonna watch this over and over again lol

    Jacob GreerJacob Greer4 dagen geleden
  • 44k stupid blind people!

    JC MaxieJC Maxie4 dagen geleden
  • A nuclear weapon will send us to kingdom come though.

    Bum BoozBum Booz4 dagen geleden
  • Great video. Gives a very good bird's eye view of the problem of propulsion in space. I like the hybrid ion/ntr idea. Assuming the long-term hydrogen storage problem can be solved, how long would a non-gravity assisted flight that would go into orbit around Sedna take using such an ion/ntr hybrid? Assume a payload mass of ~1,000 kg. I'd love to see a calculation of a mission like that. Mars is not the only game it town.

    r vandenr vanden4 dagen geleden
  • I solved your Hydrogen problem. Store Hydrogen as H2O. Use the nuclear energy to break H2O into 2H2 and O2. Use O2 for oxygen replenishment and use the H2 for fuel.

    IDNeon357IDNeon3575 dagen geleden
  • Uhuhhh he said Uranus Beavis...

    Tl CheetoTl Cheeto5 dagen geleden
  • #spacesoge

    Travelling ShadursTravelling Shadurs5 dagen geleden
  • 👎 Pushed a bit to hard... Brilliant

    STEVEN RSTEVEN R5 dagen geleden
  • why he keeps calling it mers

    tashtash5 dagen geleden
  • A380 mit 4 Flügeln vorne höher gesetzt. Erstmal in Modellbaugröße trotzdem erstes Endprodukt eine militärische Drohne mit drehbaren Antrieben an Flügeln so schneller und sparsamer bei Panzerhaubitze mit 50kg SBX und oder Lasermarker für 155mm Vulcano Munition und 700kg MBDA CBN CNG O2 Luft Rakete erst mit CO2 aus Panzer oder Torpedröhre hoch geworfen. Nächstes Produkt zum verdienen A380 mit CNG billig und sicherer geflogen für vertikales starten mit O2 aus Tank geboostet. Dann Hypersonic mit Hülle aus TiB2 Vakuum oder Gaskammerisolierung mit dünnen Trennwänden zu Titan Legierung Hülle innen dabei innen gekühlt mit CNG Gasentspannung im All dann mit O2 aus Tank weiter. Titan statt zu teuer über Kroll Cl2 Reduktion von TiO2 über H2 zu TiH2 bei Hitze und CaH Katalysator dann über 1000°C erhitzt die vollständige Zersetzung zu Ti und H2 gleich heiß Legierung und Walzen dazu usw. City Maglev System über Straßen usw. mit kleinen Kabinen (4 ?) und Containern die nonstop automatisch von Seitgleis zu Seitgleis fahren inkl. einfädeln mit Touchscreen/Handy Zieleingabe und Zusteigen optional. Seitlich bewegliche Kufen von oben mit Neodym und auf 1 cm geregelt Stabmagneten zwischen rechts und links nach innen offenen U-Profilen aus Stahl unten magnetisiert für Gegenfeld dazu auch seitlich magnetisiert abwechselnd in Richtung für Linearmotor und seitlich beidseitig mit Kufen geregelt anziehend bei Weiche nur an eine Seite gegen abstoßende Magnete auf anderer Seite aus U-Profil raus nur von unten her mit da starkem Gegenmagnetismus hoch haltend.

    Kay Uwe BöhmKay Uwe Böhm5 dagen geleden
  • Yes but not that way in video ! Build a starship using Hg ring accelerators like small LHC with counter rotator ring shooting into water tubes for ship acceleration in shooting direction from linear slow down not loosing any Hg mass and cold fusion from Hg H->H punsh or Li-7 Th HTR as energy source with CO2 turbines cf compressor backflow cooling of all thermal isolated that way standing eternal in air any planet or altitude slowly up with 1g+ after less 1 year near c in space with biotop water tank cells and el. mg. shield etc. CO2 can be easy captured out of air with gas centrifuge since more heavy than O2 & N2 but together with also heavy Ar argon but if left inside exrract not reacting with H2 like CO2 to CH4 for CNG production in zero carbon cycle using electrolyse H2 with energy from water power, nuclear RBN Th pebble bed HTR or cold fusion power shooting Hg into H2O or aircondition not using but delivering energy and water out of air sucked with cf compressor cooled with CO2 for near 100% efficient CO2 compressor backflow cooled turbines. @John Goldsworthy Hg spallation if shoot in H2O can be used also for Hg-197 epsilon decay gold. Letters turned dog was god. Tesla Inc. financial quarter 4 2020 results out today ! Hurricanes to stop letting up black carbon soot in eye chimney into upper system until darkened heated by sun until eye wall broken. @John Goldsworthy Hg spallation if shoot in H2O can be used also for Hg-197 epsilon decay gold. Letters turned dog was god. Tesla Inc. financial quarter 4 2020 results out today ! Hurricanes to stop letting up black carbon soot in eye chimney into upper system until darkened heated by sun until eye wall broken. Booster also reusable already ? Small maneuvering engines to see in video already finished ? Why docked at engine part for refueling ? Heat shield added for earth and mars landing ? After landing first time on mars or moon not falling to side ? Own design approach was about thick A320 with 4 wings at front higher outside turnable with engines starting and landing flat also for more lift iff weight same power on normal airport on mars vertical start and landing after transition. Also inside uncooled high pressure tanks for CH4+O2 and rocket engines with swiveld in air from cone inlet saving O2. Shell out of TiB2+isolation+Ti alloy. Isolation material air distance or nano tube fibre orthogonal isolating parallel heat moving or inert gas foamed stone etc. etc. ? Better all canceled for big ship that can stand any altitude in air on earth or any planet slowly up and down with 1g+ acceleration after less 1 year near c in space with eternal survival inside not needing anything from outside only a little condensed water for cold fusion energy but high cell tank shield biotop water reserve also for plancton and fish etc. with combination of Hg H>H punsh fusion in H2O shooting Hg from crossed double el. mg. counter ring accelerators into water tubes with room also attached to rotating rings and CO2 tesla turbines with cf compressor backflow cooling of all taking not loosing any heat. Inside H2O electrolyse O2 and H2 with CO2 to CH4 and H2O then CH4 used or burned away for CO2/O2 regulation added to photosynthese biotop, generator, positrons torpedos, liquid metal beam gun etc.

    Kay Uwe BöhmKay Uwe Böhm5 dagen geleden
  • Any is pronounced en-ee not "ah-knee." Gravity asist in plural is just the same as singular; assist. *Mouth-breather overuse of the suffix "s," is vile.*

    Lin Yen ChinLin Yen Chin5 dagen geleden
  • Thanks, mouth-breathing beast.

    Lin Yen ChinLin Yen Chin5 dagen geleden
  • make me think about the future of Black America! what have we contribute to human progress.. make me feel sad!

    Leshaun JenkinsLeshaun Jenkins5 dagen geleden
  • space is cold. just keep the hydrogen away from the sun and we're cool.

    DalejMobile DalejDalejMobile Dalej5 dagen geleden
  • If heat is a problem for ion thrusters why not use that heat with another combustion engine to expell that heat

    Chaos X OtakuChaos X Otaku5 dagen geleden
  • offered a chance to teach at the Polish National Academy of Mathematics in 1976 but the US Department of Energy would not allow it.

    Shauka HodanShauka Hodan5 dagen geleden
  • What about Nuclear Salt Water Rockets? Basically the rocket uses a continuous nuclear explosion to propel itself forward unlike a nuclear pulse rocket that uses multiple explosions. The performance of a NSWR is insane with an exhaust velocity of 66km/s and a specific impulse of 6,730 seconds and thrust similar to a chemical rocket. (Just don't use it to get off a planet's surface)

    • hydrogen when needed, and not only can that oxygen be used by the crew but also as a chemical thrust which may possibly speed it up even more

      Shauka HodanShauka Hodan5 dagen geleden
  • You should have said far side of the moon. The sun shines on all sides of the moon just like the earth. Only time the far side is totally in the dark is when we have a full moon .

    Star CommanderStar Commander6 dagen geleden
  • The hydrogen storage problem is nothing compared to the radiophobe problem. Unless maybe you rename the engine fluffy rainbow propulsion machine lol

    cgarzscgarzs6 dagen geleden
  • Perhaps, but electromagnetic propulsion is cleaner, faster and safer. This is the key for colonization. Perhaps it is still too early.

    Orlando LuisOrlando Luis6 dagen geleden
  • Perhaps the answer for storage of the hydrogen is to mitigate loss by using some form of recapture - A tank within a tank to direct lost hydrogen to a recovery system for re-injection back to the main tank. Or... perhaps a tank made using meta-materials that would do a better job of preventing the losses in the first place?

    AfterburnerAfterburner6 dagen geleden
  • Have you ever looked into Zurbin’s nuclear saltwater rocket? I’d be interested to hear what you thing of it.

    The Dabbling WarlockThe Dabbling Warlock6 dagen geleden
  • mers

    balaji hustlerbalaji hustler6 dagen geleden
  • What about the Project Orion option? Explode nuclear bombs under the bottom of the rocket, and get some very high speeds.

    Zed WilliamsZed Williams6 dagen geleden
  • Short answer: yes! Longer answer: yes, but the people who make that decision are terrified of backlash at the propaganda that we're irradiating space, and should that happen, no amount of showing people how fast it disperses will allow it to be. Thus, it's more practical for a non- government group to do so, and to complete it without the knowledge of world powers until the moment you fire that bad boy up.

    DrumkommandrDrumkommandr6 dagen geleden
  • Dude you never mentioned even once in the video what that trust is pushing against to make your spaceship move in the vacuum of space!!! If there is nothing to push against you can't make a spaceship move! On earth we can create a trust which pushes against the air, the water the ground and it in turn trusts the rocket, airplane, ship, etc. forward. So what is the jet stream pushes against in space where there is no medium like gas, liquid , ect. to push against ?

    Song OsunSong Osun6 dagen geleden
  • the wrong passport. Way to go.

    sokin jonsokin jon6 dagen geleden
  • I think it may cause radioactive pollution all over the world

    Blowout Entertainment NepalBlowout Entertainment Nepal6 dagen geleden
  • Use magnets

    Geeman FunmanGeeman Funman6 dagen geleden
    • Using the slingshot method could help get to Mars faster though be it with nuclear power, laser power, or whatever but that would require radiation protection for the crew if las

      sokin jonsokin jon6 dagen geleden
  • Waste of time, ufo don’t need fuel and rockets,

    Geeman FunmanGeeman Funman6 dagen geleden
  • That's the wrong questiion imo, it should be; Why ffs?

    Blah AngerBlah Anger6 dagen geleden
  • Don't forget that God has made giant nuclear reactor for us the SUN. Why don't we just make a huge lens or reflection board in front of Sun to collect light from it and transform into Laser . Laser provides endless energy for any kind of space ships. According to E=mC^2 mass also can be made by Energy. We could make any kind of materials in Space to build any thing we want.

    Elmer ChengElmer Cheng7 dagen geleden