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#1 Re: Science, Technology, and Astronomy » Ancient relic points to a turning point in Earth's history 42,000 year » Today 18:52:58

(th), so far its only me, I will try to give you something.

The article fits in with what I already had notions of.

Planets may typically start out with much more Hydrogen to Oxygen, but over time naturally lose Hydrogen proportionally more.

Radioactivity in Rocks may act on organic molecules and split off some various things such as Hydrogen, and Oxygen.

Life may then use those, but would also need Carbon from something maybe CO2 or maybe Methane.  As life may build its bodies, it will leave behind excess Oxygen, but in the early days this could be absorbed by Methane, Hydrogen, and CO.  So, I expect that some life could deal with small amounts of Oxygen or Oxygen bearing compounds from the beginning.

So, the aging of a planet in this notion would depend on the balance of Hydrogen and how fast it might be lost.  Early on Iron in the rocks might also absorb excess Oxygen.  "Natural Hydrogen" may have existed in abundance, and also helped to produce Hydrogen into the atmosphere.

I believe that early on early on, Methane could have protected the surface from UV.  But later on, our world Ozone does it.

A loss of magnetics may indeed allow more types of radiation in to split Hydrogen bearing compounds, and so then allow Hydrogen to float away.

The idea that chemicals can still substitute for sunshine for algae, indicates that that pathway may have existed prior to photosynthesis, and that photosynthesis may have evolved from some form of chemosynthesis method.  Acetate can be consumed by Algae, Yeast, and Mushrooms.  Vascular plants can also use it, but they do not grow that well.

In the early days of Earth, iron in the crust could have produced "Natural Hydrogen" in the presence of water, and that could have leaked to the surface to give a food chain, where Carbon compounds could be involved, and perhaps Methane would be produced as a result.

When more radiation may have entered the situation, it might have allowed the balance of Oxygen to fuels, to allow more Oxygen to be retained, While the Oxygen would be a poison, if in large amounts, life that adapted to it might have been a step in the direction of Photosynthesis.

I have read that in the human immune system, if a pathogen is detected the immune system allows more mutations, and then selects the random ones that appear that are seeming to be helpful in controlling the pathogen.

It may be that radiation exposure, stimulates an organism to allow more mutations.  Perhaps various types of stress will stimulate a allowance of more mutations, in hope of adaptive development.

Done
 

#2 Re: Not So Free Chat » Politics » Today 10:27:42

The idea of liberty.  It all seems so muddled.

A libertarian, like a supposed republican, want as few rules as are needed.  It is very seldom that the power hungry will not impose excessive rules even so.

The Artists and Baby Boomers, reduced rules, and also lived in reduced rules.  And they were considered to be "Liberals".

But now the people we call "Liberals" are intent on making a multitude of rules.

I suppose the Helicopter Parent generations would naturally be like that.  It is not so surprising.  But I have noticed that more and more my life seems like public schools, where even so I think I earned my adulthood long ago.

It is as if the schoolteachers started trying to rule the adults as if they were in grade school.  It stinks!

I think it will have a limited lifetime though.

I am fairly sure I am not the only one that feels it, and I think more will "See" that it is so.

That is not liberty, to have excessive rules imposed upon you.  And so I have a hard time seeing how it is "Liberal".

Done

#3 Re: Not So Free Chat » Politics » Today 09:41:12

That person is most likely owned.  I am sure that person has no choice in the matter.

Actually I was considering making a new topic "Know Your Isims".  But this will draw less dangerous attention, and will do well enough.  When I was young, books, like "Know Your Guppie", were around, so, I think the proposed title would not be that bad.

I came to me more clearly what is going on, this morning, so I want to talk about it.

The "Blank Slatism", is one thing and a modification of Darwinism is yet another.  Nurture and Nature.

You could go Communist vs, Fascist.  But those are just masks they wear lots of the time.

B.S. ism is in the Communist, Socialist ring, an induced cruelty with the intention of promoting a good effect from a Darwinism is the other.  The NAZI seemed to believe that just imposing a cruel conflict could bring forth a superior result.
This is not so surprising that a guy with a small mustache and a notion that he was a creative painter would think that the brush of cruelty would have good results.

But we are sort of aware of that or becoming aware of it, but what about "Teachism"?  This gives me understanding of why leftism occurs on Colledge Campuses.  After all they are selling the idea that they can paint a new you on your canvas, which may well be a Blank Slate.

And we have Appointism, and Certificationism.  Of course, the professors can tell society who is worthy to hold positions of power, or so they say.

Don't get me wrong, I get it that if you can endure such training and seem of a proficiency that is high in it that is worth something.

But you need to be aware of verbalism.  Some people have 5 times as many words as others.  That just means that they have more words.  It does not indicate that they have much that is important behind their words.  (But they could sometimes).

The entire notion that the public school system was going to benefit the human race in the manner done after the "Country School House", is stupid.  It favors children who grow up sooner, as they are more mature earlier, but those are said sometimes to end up in trailer courts.  (I am sure there are lots of exceptions).

But it was designed to provide semi-educated servant people for the industrial complex.  Actually, I should be grateful for that, as it provided even me with some material stuff.  I am not completely stupid, I understand trade-offs.

But many animals are ready for adult life well before humans are, that does not make humans inferior to the other animals.

There is less to be bitter about as the world of the internet provides training of various sorts if you have the nature for it and you choose to nurture your own self.

It is good.

Done

#4 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » Today 09:38:40

It is just a alternate notion of what may be of value.

The Jupiter Trojans and Greeks, are significant and have a gravitational pocket they exist in.  So, more mass and less energy.  The Mars L4 and L5 have less mass and more energy.

Layering may be the method.

Done

#5 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » Yesterday 07:47:46

As per my last post, let us not forget our bygone membership: https://newmars.com/forums/viewtopic.php?id=7092

Not the same exactly, at all, but a shell which does not enclose a world.  In the family, perhaps a "Shirt Sleeve" relative.

Not Flatoid though.

Done

#6 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » Yesterday 07:19:26

Well, I have a little time to goof around.  I have been thinking of both gravity and "Flatoids".  Gravity as expected has not been solved.  But I can play with flatoids instead.

A coin or washer might be what I would call a Flatoid.  Having 3 dimensions, but with one dimension much shorter than the other two.  The shape of a healthy red blood cell, might be considered as "Flatoidish". smile  The shape would facilitate the reception of light transmitted from a light source such as the sun, and the reverse side to be facing the universe can be an emitter of low energy photons.

So, I have thought that converting a small world(s) to a Flatoid might be interesting.

I have been thinking how converting a planet to a Dyson Sphere might redistribute mass in such a way that the other planets might notice as far as orbits, and inertia.  It could be a problem.  Maybe upset the balance previously established.  World in collision would not be good, or to be flung away, or dump into the sun.

But converting tiny worlds into Flatoids might be more acceptable.

The mass of an asteroid would still be centered to the center or a flatoid.  The nature of the gravitational field would alter, but should be the same intensity.

A Flatoid would have an inside and an outside just like a sphere or a cube, but would more effectively intercept light from a light source, such as the sun.

A flatoid may present less disturbance to the flow of the solar wind than would a sphere or cube.  (That is subject to surface area as well though).

Photons mostly hitting strait on to a flat surface might not increase or decrease the orbit of the Flatoid, but of course you could "Sail" it just a bit on photon flow.  (This would take enormous amounts of time to have any significant effect).

The Trojan L4 and L5 locations may be interesting, particularly for Jupiter.  Many small worlds in there.  While the light intensity is maybe ~3% of Earth's, is there a reason to care?  If is an energy source.  Concentrating mirrors could be used.

Around and inside of a Flatoid you could have "Organs" for various purposes.  Such as Spin Gravity Habitats, and Seas, and such things.  Also, microgravity farms as well, or perhaps very low gravity worlds.

In a Sun/Planet "L4 or L5" location, these might become so big as to have notable gravitational force.  That along with the envelope provided by the Lagrange zone, "L4 & L5" may tend to keep loose stuff from drifting away to become collision hazards.

Something fun to think about.

For a world like Venus or Mars, a ballistic capture method might allow capture of an asteroid to an orbit of one of those planets, and then perhaps it does not take that much energy to move some of the materials to a "L4 or "L5" location.

This is for fun of course, to think about.

Done

#7 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-04 07:11:43

So, it begins to seem to me that the ? (Not quite density) of an object determines the ratio of solar forces vs gravitational force.

As far as the solar wind is concerned the Earth is less dense with a magnetic field than without one.

As far as to total amount of force photons exert on the Earth, the Earth's magnetic field does not exist.

Smaller objects seem to have fewer stable orbits than larger ones.  Dust might be swept out of the solar system if it is of the correct size.

I you converted Ceres into a giant shell completely, it would have the same total gravitation but that would be distributed differently.  But the force of Photons and Solar wind would be greater.  So, to some degree gravitation allows objects to communicate with each other to maintain orbital patterns developed early in the solar system, but at some point if you change the ratio of gravitation of an object to forces that are exerted on an object, then it is possible that an object might deviate from its orbit.

That is why a solar sail might work.  It does not have sufficient gravity to be locked into place.

But maybe I don't have it right just yet.  Tell me so it you think that.

Anyway, for a Dyson Sphere, if you made it of hollow spheres, that would be interesting, but would the solar wind spin them up to higher orbits, or could they be locked into stable orbits, by gravitation?

The way I look at it now photons may not be that much trouble as they would more equally give additive and subtractive thrust to a hollow sphere.  But the solar wind spirals out, it might give a force to push hollow spheres with insufficient gravity, to higher orbits.

As I have said maybe I don't have the correct model in my head, but this is what I am thinking.

But a sphere with a significant mass, might be kept locked into place by the influences of the larger objects of the solar system.

A sphere allows interception of a lot of photons from the sun.  It would also have a hollow space within with a modified space environment.
And you could have travel paths over the interior or exterior surface of the sphere, and also you could have line paths within the sphere, such as cables or trusses which could connect one point on the interior of the sphere with another.

Any thoughts?

Done

If we get borged with spheres, perhaps a cube?

Done

#8 Re: Science, Technology, and Astronomy » Technological Cumulativeness, (Accumulation). » 2024-05-03 09:38:55

This is very interesting: https://www.msn.com/en-us/money/other/m … r-AA1nYMs4  Quote: 

Ad

Interesting Engineering
16K Followers
MIT spinoff unveils continuous solar power solution technology
Story by Rizwan Choudhury • 2d • 3 min read

I like it!

And this brings up Power to Hydrocarbons.  Places with great amounts of such energy, in this case solar, could become sources of Hydrocarbons, where they would in fact extract CO2 from a source to make these.  Temperate Deserts may be very suitable for that.
Image Quote: 220px-Mollweide_Cycle.gif

But of course, there are huge stretches of water that have solar that might be tapped eventually as well, and with the wind and wave resources also available.

Semi-Arid may also be fine for it.

Done

#9 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-03 09:19:30

Well, I feel that that segway stimulated by Calliban helped in the formation of a "Ladder" geostationary hoop.  Such would be two rigid rails, a north and a south, that would be joined by rigid ladder rungs.  And swiveling devices could be connected by some sort of bearing to the two rails, in places between the rigid ladder rungs.  This would be a form of "Nesting" of small elements into a larger superstructure.

Some Finish people have suggested a Megga Satellite around Ceres which would also foster "Nesting": https://www.sciencealert.com/could-huma … anet-ceres
Image Quote: satellite-1.jpg
Quote:

(P. Janhunen, arXiv, 2020)

But these are not "Hill Sphere Shells".  I wonder if other asteroids could support such shells.

https://en.wikipedia.org/wiki/List_of_e … _asteroids
Quote:

List of exceptional asteroids

Scrolling down:
The "S", "M", and "X" asteroids may well lack an abundance of volatile substances, but the others may have much.
But even volcanic Vesta is thought to be covered with Carbonaceous dust on much of its surface.

Some questions emerge.

A hill sphere shell may be easier with a smaller asteroid.  And also, the notion of perhaps a "Beyond Hill Sphere" shell.

You could even have a shell that has no world inside of it at all.

If such shells were thought of as a digestive system, they might ingest small asteroids and process them.

Unless I am in a mistake(s), then I think that a shell equal or larger than a hill sphere, will not suffer from gravity induced warping and collapse, if the world object contained can be kept centered.

My intention for these shells would not be that they would hold a high air pressure, but rather thin gasses subject to molecular flow.
https://en.wikipedia.org/wiki/Free_molecular_flow
Quote:

Free molecular flow

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From Wikipedia, the free encyclopedia
Free molecular flow describes the fluid dynamics of gas where the mean free path of the molecules is larger than the size of the chamber or of the object under test. For tubes/objects of the size of several cm, this means pressures well below 10−3 mbar. This is also called the regime of high vacuum, or even ultra-high vacuum. This is opposed to viscous flow encountered at higher pressures.[1] The presence of free molecular flow can be calculated, at least in estimation, with the Knudsen number (Kn). If Kn > 10, the system is in free molecular flow,[2] also known as Knudsen flow.[3]

So, a bit like an exosphere, but perhaps a thick one.

In this condition a hole in the shell will let some gas escape, but not from collective molecular motion but just because that hole was in the path the molecule was traveling in a straight line.

There is a question as to if the pressures from solar emissions will push the shell outward.  Photons, and the Solar Wind.  I don't know the answers yet.  I suspect that there is an aligning force from the major planets that may tend to keep objects in place, if their gravity dimple is large enough, relative to the other forces exerted on the object, such as from the sun.  So, there may be value in anchoring on a large enough of the tiny worlds, if that is true.

The purposes of such a shell are to contain things, to provide a solar exposed surface for solar power devices, and a sphere where nested objects can be associated into.

And I am not sure of all of this.  A shell on its own may not have a large enough gravity dimple to be "Noticed" by the larger objects of the solar system, so it may be free to obey the solar wind and the photon pressure on it.  So, an advantage may exist for holding a significant mass inside of it, so that perhaps the shell and the mass it encloses, may stay in an appointed orbit.

But as I have said I am not sure.  This is where perhaps we learn more.

If a shell is solar locked, with one side facing the sun and the other facing the outwards from the sun, then considerable cold may exist on the outward portions of the shell.  This may be used to condense molecules of gas that are in Molecular flow inside of the shell.  Adsorption could be used.

https://en.wikipedia.org/wiki/Adsorption

OK, perhaps sorption then: https://en.wikipedia.org/wiki/Sorption
Quote:

Sorption is a physical and chemical process by which one substance becomes attached to another. Specific cases of sorption are treated in the following article

So, then an object in the shell could be heated as desired to gas off, but not at a rate faster than your sorption methods can handle.

And this leaves the problem, how do you keep the treated object centered in the shell?  Magnetics might work.  Maybe some complex mechanical method,   The object may likely spin and we do not want to spin this shell.

Possibly air pressure might help, if you could shoot jets of compressed air from the inside of the shell, or inversely have a second interior shell that encases the object and spins with it, and then that shell emits jets of gas into the region between shells. 

I would like to see if magnetics could do it.

In process, I guess.

Done

Keep in mind that one of the values of the shell is the amount of sunlight it can intercept.

Done

#10 Re: Science, Technology, and Astronomy » Genetics » 2024-05-03 09:12:09

https://www.bing.com/videos/riverview/r … &FORM=VIRE
Quote:

Haplogroup Map of the World: Your Genetic Surname (+Download Link)
YouTube
Masaman
885.7K views
Mar 31, 2022

I believe that this follows the distribution of the "Y" Chromosome.

I like maps like this.  It most likely only shows tendencies, where a variance of that gene just might influence how the individuals of that inheritance might behave.  It is probably not a major influence, but I think may be a minor influence.

I am actually being selfish as I pin it here as I want if for possible future referencing.

Done

#11 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-02 18:51:16

You have stimulated my thinking, you and Isaac Arthurs video.  What I was working with may be less attainable and/or stable than I would like.  It was an attempt to conserve volatiles.  But if the human race eventually develops fusion of isotopes of Hydrogen and perhaps Helium, or if they learn how to beam power extremely long distances, then, and endless flow of volatiles can come inward from the Kuiper belt and even the Oort Cloud.

So, conservation of volatiles does not have to be quite so stringent.  This then allows the entertainment of what you have suggested, and perhaps also some embellishments of it.

A practical path is to make something that can be in harmony with its surroundings, and also which is not too vulnerable to terrorists, and idiot savants who may see a path to a parasitic damage of what is built to benefit themselves.

Unfortunately, we will likely always have some people who refuse to walk on their two hind paws.

So, you suggest a "Nulled Ring" where gravitation of Ceres and the centrifugal spin will balance to keep stability.

Looking at Isaac Arthurs work, I notice that Ceres has a 4-degree tilt of axis, and it thought to be variable in that aspect between 2 to 20 degrees tilt.

We might consider building a mini version of what he suggested without artificial gravity induced on the ring, but rather artificial gravity on spin gravity devices attached to the ring.  If the ring is properly built than spinners with axis parallel to the axis of Ceres could spin for artificial gravity but mirrors also on the ring could convey light into them if that was desired.  In a similar manner, solar power devices could swivel on such an axis as well, but only one spin per rotation of Ceres, synchronous, so that much of the time they gather solar energy.

But we have another game we can play.  If we move mass from Ceres out to the ring, then the spin should be reduced.  But then you need to expand the circumference of the ring to compensate, but the gravity of Ceres is reduced, and the spin rate of Ceres may be reduced.

Here are some images of Banks Orbit, but what is being discussed here has similarity but are not Banks Orbitals: https://www.bing.com/images/search?q=Ba … C3&first=1

So, one could go as far as they like, even eventually consuming all of Ceres to build a very big one.  So, then the gravitational field would be dispersed.  But perhaps only a partial conversion would make sense.

If we say that Ceres or another asteroid has a north and south rotational pole, then the ring would have a north and south edge/mooring point.  Then the Satellite axis of the individual devices would have bearings one on the north edge of the ring and one on the south edge of the ring.  This could be true for synthetic gravity machines, and for solar power devices, whatever type you like of those.

And the ring being like a ladder with rungs connecting the north and south rims, could allow sunshine to these devices much of the time.  In the case of the solar devices, they may pivot once for each orbit of Ceres, and in the case of the space habitats, mirrors might convey light into them much of the time, and maybe it can be a bit like variations in sunlight during a partly cloudy day.  So, you might fake a day/night balance.

Does that seem to be reasonable?

Done

#12 Re: Science, Technology, and Astronomy » Technological Cumulativeness, (Accumulation). » 2024-05-02 12:38:11

Here is a "maybe" of interest: https://www.msn.com/en-us/news/technolo … 0d600&ei=3
Quote:

The Register
7.9K Followers
NASA plasma propulsion project promises Mars in a flash
Story by Lindsay Clark • 37m • 2 min read

It's wonderful if they can do it.  In that case it would still be nice to have a Mars adapted Starship to move things to the surface of Mars.

Done

#13 Re: Not So Free Chat » Oil, Peak Oil, etc. » 2024-05-02 12:31:17

The USA and I think Canada also have a lot of "Oil Shale" which is not to be confused with "Shale Oil".  If prices got high enough or technology improvements allowed it this might also be tapped.  (Ignoring climate implications).

https://en.wikipedia.org/wiki/Oil_shale

But if nuclear or orbital solar or other develop, probably it stays in the ground.

https://www.usgs.gov/centers/central-en … /oil-shale
Quote:

The USGS Energy Resources Program has studied oil shale resources of the United States, with a significant effort on the Eocene Green River Formation of Colorado, Utah, and Wyoming.  This formation contains the largest oil shale deposits in the world. Oil shale, despite the name, does not actually contain oil, but is a precursor of oil that is converted to crude oil when heated.



Done

#14 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-02 09:45:44

I am looking at this.  I will not have time to comment just yet: https://www.youtube.com/watch?v=3nxBPHZ2xJM&t=214s
Quote:

The Banks Orbital: God’s Bracelet

Isaac Arthur
782K subscribers

Comments pending...............

I like that he presents really far out materials, but he made it plain that he thinks some of it may not be done simply because it is not desired int the future, or maybe it will be?

I have this today; I have been having another look as shell worlds: 64SeB84.png
Supposing you had a small world like Ceres, or even something smaller.  Then you might build a shell(s) assembly that is hosted in the edge of the hill sphere of the little world.

I have suggested that perhaps the blue areas would be air or water filled to some extent.  The large size of the shell is so that it can intercept the maximum amount of sunlight, in the spirit of a Dyson Sphere but only for this one little world.

The drawing is not proportional to the actual situation, the sphere could be really big.  As I said it would capture sunlight, both to its surface, but also at the poles using optics it might convey some sunlight into the interior.

While I have showed triple shells in the places not the poles, it could be many more, so me pressurized, perhaps, but some hosting lots of spin gravity machines.  The shells would hopefully have enough strength to not buckle, as they would be kept well away on the outskirts of the gravity field of Ceres, (In the case of Ceres).

While Ceres could have space elevators, they would not connect to the Hill Shell.  This then allows the Hill shell to tidal lock to the sun, presenting one side with solar collectors of some kind to face the sun all the time.

Magnetic repulsion may be used to keep the shell equalized away from the little world at its center.

Another purpose of this setup would be to reduce atmospheric losses.  The surface of the night side of the shell may be very cold so as to allow gas molecules not Hydrogen or Helium to condense on it.  Possibly magnetics and a dip in the shells altitude on the night side would facilitate capture of escaped gasses.

The Hill Shells will only hold a small air pressure against the vacuum of space.  The intention is to keep sunlight and the solar wind from exciting them enough to escape thorough any holes in the Hill shells.

Down on Ceres the atmosphere might thicken a bit by gravitational compression.  Maybe even enough for a biosphere, on top of a shell world situation around Ceres, (not the Hill Shell(s)).

Ceres itself might end up like Swiss cheese.  The world itself may have an ocean over it that can gravitationally pressurize the ocean bottom.

Nothing is set in stone; notions are still very loose.  Just trying to do a crude outline of what might be possible.

Could this be done for small moons of the outer planets, perhaps, with appropriate revisions.

Mars?  Well, that is getting really far out there.  But it would be a really big shell.

https://en.wikipedia.org/wiki/Hill_sphere
Image Quote: 300px-Lagrange_points2.svg.png
Quote:

A contour plot of the effective gravitational potential of a two-body system, here, the Sun and Earth, indicating the five Lagrange points.[clarification needed][citation needed]

Image Quote: Hill_sphere_of_the_planets.png
Quote:

Logarithmic plot of the Hill radii for the bodies of the solar system

It looks like you get much more hill sphere for Ceres relative to it's mass than you do for larger objects.

Yes, it is possible that I have missed something.  Like?  I have worried that the poles might collapse under the gravitation of ceres or the sun, but I am not sure.

Anyway, it is worth suggesting it, maybe someone will show the faults, and then it might be possible that a revision would make it more plausible.

Done.

#15 Re: Science, Technology, and Astronomy » Humanoid and other robots. » 2024-05-02 09:20:44

Another "Competitor Robot".  This may annoy "Nationalists".  But I just expect that it will prompt others to do more as well.

https://www.bing.com/videos/riverview/r … &FORM=VIRE  Quote:

Unitree Released B2 | The Most Advanced Quadruped Robot
YouTube
Global Updates
23.8K views
2 months ago

A few thoughts from me:
-Nature usually favors Quadrupeds, and on rare occasions Bipeds.

-But with a little math, Quadruped + Biped = Hexapod
-So then 4 + 2 = 6, but also 2 + 4 = 6

-Of course, this cheats a bit because actually Bipeds also have arms which technically are legs in other animals.
-But let's not worry about that.  I am interested in making Centaur Robots.

https://en.wikipedia.org/wiki/Centaur
Image Quote: Centaure_Malmaison_crop.jpg
You could put a humanoid upper body on top of a robot dog, or more interesting you could hook a second set of legs onto a bipedal robot.

You could even hook a wheeled cart to the back end of that, or to the bipedal robot.  So, you could do multiple attachments.
If you wanted to be silly you could make a connectable centipede with humanoid upper torso included.
Each "Posterior Part", could have its own battery pack which like as in Tesla Cars, as I understand it could be structural as well as electric.  On top of each battery pack could be a "Wagon Bed", to put parts and equipment into.

So, ideally the assembly could travel to a location to do a task, and have what is needed with it.  The humanoid biped might be able to disconnect and work bipedal, and then have access to the parts and tools that the rear additions carry.  The rear additions having less actuators might be able to carry more power as per batteries.

In reality, for now I see this as being suitable for work in farm fields, or to clean some things, such as solar panels which might also be in the farm fields.

Actually, this could work very well, Farm Crops, Solar Power local, and multipedal robot(s).  So, this robot unit could perhaps be able to charge local in the fields while it worked.

Additional legs may add to stability at times desired, but the ability to unhook, and go quadrupedal or Bipedal would also be an asset.

But I admit it will be very hard to train such an adaptable robot with attachments.

But someday perhaps.

Done

#16 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-01 15:10:28

I have been pondering a torus "Master Structure" around small worlds, perhaps even Ceres.  A very large torus shell around the equator of Ceres perhaps and at a distance, so big that it blocks the solar wind.  Perhaps with that an atmosphere would be possible for Ceres, but perhaps that is bogus.  The shell would be the important thing.

It probably would not be pressurized itself but might contain many pressurized habitats.

It could intercept a great deal of sunlight.

Perhaps it could be tied to Ceres with many space elevators.

Anyway lots of possibilities.  I like the idea of a master shell and subshells nested into it.

Such a plan might work OK with Centaurs also.

Done

#17 Re: Terraformation » Worlds, and World Engine type terraform stuff. » 2024-05-01 14:54:36

I was short on time in the previous post, so I will add some text for it.

In a partly terraformed Mars, where perhaps the average surface pressure was doubled, control of nucleation dust may help to redistribute water on the planet.  Also, of course greenhouse gasses, and added heat from orbit may help.

Sources of dust to inject might be from Phobos, Deimos, or even. Mars.

As for Mars, it might be desirable to try to inhibit nucleation dust in some locations, if a method can be found.

At the present tilt of the planet, water will tend to move to the poles as frost or snow.

But with dust controls it might be possible to bias the flow towards lower latitudes as per nucleation.

With greenhouse gasses, I believe it warms the poles more than the equator.

And power satellites and mirrors in orbit could also assist in the future hydrology of Mars.

Done

#18 Re: Terraformation » Worlds, and World Engine type terraform stuff. » 2024-05-01 09:24:19

This is interesting, it might provide a way to influence where snows would fall on Mars, presuming a slightly warmer planet: https://phys.org/news/2024-05-climate-c … ously.html
Quote:

MAY 1, 2024

Editors' notes
New climate study shows cloud cover is easier to affect than previously thought
by Technical University of Denmark)

I have read previously that if the CO2 of the ice caps was vaporized snows would be possible.

Done.

#19 Re: Meta New Mars » Housekeeping » 2024-05-01 09:19:55

I have had that in the past.  It often helps to navigate to a post you did recently and then try to log on.  Persistence also helps.

I had a terrible problem with it in the past, sometimes having to try 20 times.

I was good for a while, but I have seen a bit of it lately, but not too bad in my case.

Done.

#20 Life support systems » Gravity Simulations on Mars and Phobos and Deimos » 2024-05-01 09:09:22

Void
Replies: 1

https://newmars.com/forums/viewtopic.ph … 38#p222538
Quote:

This showed up today: https://newmars.com/forums/viewtopic.ph … 37#p222537
Quote:

Well, I think that this is very good: https://phys.org/news/2024-05-horizonta … sical.html

MAY 1, 2024 REPORT

Editors' notes
Horizontal running could help lunar astronauts retain physical conditioning
by Bob Yirka , Phys.org

Quote:

The research team noted that the forces exerted by the volunteers against the walls of the cylinder were similar to those of a runner under normal conditions on Earth—more than enough to keep their muscles and bones from atrophying if they ran in the cylinder every day on the moon.

This may also indicate that an orbital slow spin habitat may permit this method to conserve heath.

And of course this should work on Mars.

Done

So, that may work for adults capable of running, which is worth quite a lot.

I would venture that if you had a spin gravity cylinder inside of a static cylinder, the speed or rotation could be low enough to allow pressurization.  And with a small, simulated gravity,

You could have a main pressure vessel that does not spin, and a spinner in it.  It may be possible to have a canister in the main pressure vessel that can give microgravity, as to be shielded from the vibrations of the rest of the structure.

So, in space manufacturing in LEO, this would perhaps allow prolonged human presence in a very large set of structures.  This would strogly reduce the need for reconditioning in a full scale 1 g circumstance.

Last edited by Void (Today 10:07:25)

Done.

So, the question of maintaining healthy human adult fitness may be addressed.

The question of dealing with children and those who cannot run, is still open.  But for Mars/Phobos/Deimos, the options are widened.  Someday it may be possible to interfere with the bodies signals to maintain health, but for children this will be complex, I am sure.

If Children cannot grow properly on the surface of Mars, then artificial gravity could be used, in orbit or perhaps even on Mars.  In orbit would probably allow much larger situations for children and the disabled.

Done

#21 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-05-01 08:57:39

This showed up today: https://newmars.com/forums/viewtopic.ph … 37#p222537
Quote:

Well, I think that this is very good: https://phys.org/news/2024-05-horizonta … sical.html
Quote:

MAY 1, 2024 REPORT

Editors' notes
Horizontal running could help lunar astronauts retain physical conditioning
by Bob Yirka , Phys.org

Quote:

The research team noted that the forces exerted by the volunteers against the walls of the cylinder were similar to those of a runner under normal conditions on Earth—more than enough to keep their muscles and bones from atrophying if they ran in the cylinder every day on the moon.

This may also indicate that an orbital slow spin habitat may permit this method to conserve heath.

And of course this should work on Mars.

Done

So, that may work for adults capable of running, which is worth quite a lot.

I would venture that if you had a spin gravity cylinder inside of a static cylinder, the speed or rotation could be low enough to allow pressurization.  And with a small, simulated gravity,

You could have a main pressure vessel that does not spin, and a spinner in it.  It may be possible to have a canister in the main pressure vessel that can give microgravity, as to be shielded from the vibrations of the rest of the structure.

So, in space manufacturing in LEO, this would perhaps allow prolonged human presence in a very large set of structures.  This would strogly reduce the need for reconditioning in a full scale 1 g circumstance.

#22 Re: Terraformation » The Moon » 2024-05-01 08:52:00

Well, I think that this is very good: https://phys.org/news/2024-05-horizonta … sical.html
Quote:

MAY 1, 2024 REPORT

Editors' notes
Horizontal running could help lunar astronauts retain physical conditioning
by Bob Yirka , Phys.org

Quote:

The research team noted that the forces exerted by the volunteers against the walls of the cylinder were similar to those of a runner under normal conditions on Earth—more than enough to keep their muscles and bones from atrophying if they ran in the cylinder every day on the moon.

This may also indicate that an orbital slow spin habitat may permit this method to conserve heath.

And of course this should work on Mars.

Done

#23 Re: Terraformation » Para Terra formation in Orbit, with orbital services. » 2024-04-30 14:50:59

https://www.youtube.com/watch?v=mhMYOmjgCuc
Quote:

SpaceX revealed New Internet & Inflatable Space Station Shocked Nasa...

TECH MAP
66.9K subscribers

I like the part where they suggest that Vast intends to have space stations "Across the Solar System".

I am willing to hope for it.

Done

#24 Re: Terraformation » The Moon » 2024-04-29 11:55:46

SpaceX Moon Base Alpha: https://www.youtube.com/watch?v=JlGbWBOGB-M
Quote:

Musk officially announced NEW Alpha Moonbase SHOCKED NASA! NEW inside HLS Starship testing...

ALPHA TECH

I don't know how much of this is real, and how much will be subject to future revisions.

Some things said are a bit confusing, but I think I picked up some of it.

Most important to me is that they will not be dependent on the existence of Moon water at the poles.
They will expect to store Nitrogen, propellants, and water on the surface of the Moon.  They suggest that they may bring Hydrogen to make water with Lunar Oxygen.  It sounds as if the base would be at the south pole though, so if ice is found that would be useful.

Sounds like they will have at least two types of Lunar Landers, and in many cases lander parts will be used to build the base.  They may bring engines and flight control systems back for reuse.

It sounds as though the base could extend down as low as 1 km below the surface.

Starships placed on their sides would have 3 levels for living.  It seems parts for that will be installed after placing the ships on their sides.
Radiation protection to be from regolith placement.

Other things described are solar panels, fixed landing legs, and the elevated thrusters that run on gas propellants, not liquid propellants.

Sounds exciting, I would certainly like to see it.

Done

#25 Re: Science, Technology, and Astronomy » Wave Power Associated Systems » 2024-04-29 11:00:14

This is yet another device: https://www.bing.com/videos/riverview/r … &FORM=VIRE 

CNET, Utube, Giant Underwater Buoy Generates Power From Waves

Looks like it might be OK for places with some surface ice at times.

Done

Here is an artificial "Blowhole": https://www.bing.com/videos/riverview/r … ajaxhist=0

I think that this system could be hooked into a heat pump system, rather well.
If the heat pump was pulling heat out of the water, then the water shed off of the device should be cold and if you collected that cold water you might be able to condense fresh water from the air, using that cold.

Done.

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