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#25351 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-19 20:04:59

Hi Spacenut,

I like your list of factors that are required to build a city on Mars.

However, the key element you have identified is leadership.   

To your list of factors, I'd like to offer one that I have not seen mentioned before, but which seems (to me) worth considering.

Corporations

500 years ago, it wasn't individuals paddling canoes like the South Sea Islanders, that led the path of exploration from Europe.  It was corporations, albeit at the time the prevailing corporations were the Catholic Church and the Nation States of Portugal and Spain (all led by strong monarchs).

In the present age, it seems to me that corporations are likely to be the agencies of settlement of other worlds, although Nation States are still very much in the game, but (it appears to me) all of the present contenders are supported by large numbers of corporations of various sizes.

The Mars One idea was interesting, and it certainly generated some buzz, but I think it was doomed from the outset by the failure (from what I've read) to enlist corporations to participate to the significant level that would have been needed for success.

Just so, if Louis were to revise his thinking and embark upon an attempt to create a "real" city, it seems to me he would do well to enlist a large number of corporations to support each other in the massive undertaking to set up a city on Mars, and not just a camp site.

A minor example would be MacDonalds, which could (if it so chose) decide to open a franchise on Mars.  The thought process from this decision would lead to recognition of the support services it would require, of which transportation would be a minor part in the grand scheme of things.

(th)

SpaceNut wrote:

Funding, Rockets, equipment, materials and people are what is required to build a city but it is leader ship that makes it work to achieve the goal of the mission.

#25352 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-19 12:00:35

Louis,

I have two new items for your consideration, as you plan your book on Sagan City.

First, from National Geographic for February 2018, from an interview of Michael Bloomberg (former mayor of New York)

Begin Quotation:
SG: (question about gentrification)?
MB: I've always thought that culture attracts capital more than capital attracts culture.
End Quotation.

The thought I would invite you to pursue is to concentrate on defining the culture you want to see, and let details about hardware and supplies of various kinds to others better suited for those tasks.  You appear to have given up on inspiring others to build a real city on Mars, but you appear to have the flexibility of thought that would enable you flex in that direction.

You have already started defining the culture, of course, but your production to date appears to be more of an outline than detailed specifications.

Second, from a the same issue, from an article on CCTV surveiliance by Robert Draper:

Begin Quotation:
London authorities were early adopters of widespread closed-circuit television (CCTV) surveiliance ...
End Quotation.

The article discusses video surveiliance in cities around the world, and considers the differences between authoritarian states and ones which aspire to democracy or at least a semblance of democracy.

It seems to me that as a designer of a new high technology city, it would make sense to build in a high level of surveiliance from the outset, since it will most certainly arrive with commercial interests.

(th)

#25353 Re: Life support systems » Greenhouses » 2018-12-19 08:55:54

The research described in this article apparently is intended to discover the effect of variations in gravity on plant seeds.

https://www.dispatch.com/news/20181218/ … wins-award

This a local activity, so if there is interest I would be willing to visit Dr. Wolverton.

It will take some time for results to become available.

(th)

#25354 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-17 19:17:57

Hi Louis,

My objective is to try to find conditions which will increase the probability of Sagan City coming into existence.

Your proposal that there should be TWO Sagan City initiatives would (in my opinion) reduce the probability instead of increase it.

At the moment, there exists only one initiative, and that is yours. 

Your uncertainty about location is an example of increase of uncertainty for the future of Sagan City.  You made a decision for a precise location, and at that moment the probability of a bright future for Sagan City was as great as it has been, because it now appears what I understood to be a decision about the boundaries of the city turns out to have been a misreading of your intent.  I was hoping you would make a firm decision, so I read into your words something that was not there.

***

Regarding UN membership versus a concept of planetary independence ... I think that securing UN membership for the planet, in the form of a "nation", would increase chances of an amicable relationship with the residents of Earth, and the idea of setting up an independent entity from the outset will just about guarantee a war.  The examples of Canada and the United States seem instructive (to me at least). 

Both were created or established as extensions of the British empire of the time.  One chose independence and got two wars.  One chose to evolve with the British empire as inevitable change occurred, and it now functions as an independent nation without having had to endure a war.

The model I see from this is that an amicable relationship built from the start will have a greater chance of evolving into a friendly independence over time.

(th)



louis wrote:

Sorry TA, I haven't claimed copyright on the name Sagan City so I don't see how I can "release" it. I write what I write. If people want to follow a parallel open source project seeking to establish a real city on Mars, that's fine by me but I think you would really have to defer to the experts on where to land. My pinprick on the map is based on a modicum of knowledge and a lot of hunch. I very much doubt it is the best place to land on Mars.  But it would probably be a possible site where you could build such a city.

Whether a Mars Republic should be part of the United Nations is a big question.  Personally I would favour it being an independent planet and agreeing a permanent peace treaty with Earth via the UN, with agreement on joint/co-operative exploration of the rest of the solar system, communications, mutual recognition and so on.

#25355 Re: Life support systems » Book about Life on Mars » 2018-12-17 10:57:56

Louis,

Thanks for taking up the debate with Mr. Petranek.  I've ordered the book, and (hopefully) will be able to evaluate his arguments in light of your points above.

(th)

#25356 Life support systems » Book about Life on Mars » 2018-12-17 09:17:44

tahanson43206
Replies: 24

https://www.yahoo.com/news/life-mars-hu … 55648.html

"Everything that you use and you create on Mars is so valuable. You simply can’t afford a pollution stream, you can’t afford a waste stream at all. Everything will absolutely be recycled ... at least in the beginning," said Stephen Petranek, author of "How We’ll Live on Mars."

Hoping this book deserves it's own topic.  Please move if a better place exists.

Ordered from Amazon 2018/12/17. I note that copies are available for as little as $4.50 (plus shipping if customer is not Prime).

(th)

#25357 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-17 08:41:19

Louis,

Would you be willing to release the Sagan City you created to the Open Source community?

In several posts in this series, you have indicated willingness to encourage others to work with the concept.

It would be only a small step for you to declare the Sagan City you created, at coordinates of 34.58 degrees West and 21 degrees North
to be released to the Open Source community for development without your further guidance or direction.

Please be specific in your reply, because ambiguity is destructive.  Potential contributors will (or may) worry about your prior claim, so your gift of complete release is necessary to increase the probability someone (or perhaps several people) will decide to take on the challenge of treating Sagan City as a "real" concept which can be implemented on Mars.

At the beginning of this series, I offered the observation that a city is a social construct.  Businesses (are said to) hate uncertainty, and I would guess that individuals may share this point of view.  The people needed to build upon your initial concept would include architects and city planners.  There is a need for people familiar with the law, and ideally, practiced in land claims.  The need (I see) for the immediate next stage is to secure recognition of the location you have specified as legally binding.  The human institution best suited (as far as I can see) for legal recognition of a claim of land on Mars is the United Nations.

Persons with a level of comfort working with national representatives to the United Nations are needed to move this project forward.

With a bit of finesse, Mars can be placed on a path toward recognition as a Nation in the United Nations, thus increasing chances of a amicable future for relationships between residents of the planet and residents of Earth, and reducing chances of conflict due to misguided aggression by groups who might perceive a potential advantage by use of force.

(th)

#25358 Re: Life support systems » If humans are going to be extraterrestrial they should Cone Home(s) :) » 2018-12-16 13:08:02

For Void:

I thought of you and your water pipes under the surface of Mars, when I heard this story today:
https://www.npr.org/2018/05/05/60862256 … rnia-waves

It is not out of the question for an entertainment venue similar to this to exist on Mars, assuming a water rich solar object comes by within collection range.  The waves created by the machinery in the lesser gravity of Mars would (presumably) attract surfers from around the Solar System.

(th)

Void wrote:

So, more progress of my kind, as I may be a hero/zero in my own mind.

Per post #1, should boring company type tunneling occur, and if tailings need constructive disposal, (This is more or less a review), we would hope to have a cement or glue/resin.  I think the glue/resin is going to come from the atmosphere and water.

So, for the half water filled tunnels, a method could be formed where the air in the tunnels is passed to these structures which would not be heated more than necessary.  The result should be condensation of water inside the cone structures, and if provided for the formation of a pool/pond.  The walls of these cone structures may be expected to be rather thick, as boring tunnels is going to provide a lot of tailings.  Without a struggle to heat the cone, and with methods of shielding the surface of the cones from solar heating, I would expect the walls of the cones to be naturally cold on Mars, and in many places also to a lesser extent on Earth.

Hammer away if you like.  I can handle it.

#25359 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-16 12:54:37

For Louis:

I've updated the Attributes post to remove the label founder. You are now listed as "Suggested by:"

For SpaceNut ... I'm in support of your suggestion to Louis... This could be a popular book, if Louis is inspired to combine his vision capability with the complementary hard science and engineering insights provided by members of this forum.

I regret the loss of Sagan City as a viable real planet possibility, but welcome the possibility of a science fiction book using the theme.

To see the updated attributes post:
Use SearchTerm: and :SaganCity author tahanson43206

(th)

#25360 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-15 21:06:41

Hi Louis,

I am pulling this small section of your longer post which begins with discussion of the Viking I site.

Would you agree that you DID come up with the name of the proposed city?
Would you agree that you published the name on the NewMars forum?
Would you agree that you agreed to specify a location of the proposed city on the surface of Mars?
Would you agree that you agreed to specify dimensions (boundaries) for Sagan City?

I accept that you have stated repeatedly that you do not want to serve as "leader" or "mayor" of Sagan City, and now I am wondering if you do not wish to be recognized as "founder"  of Sagan City.  Your description of the city as fictional signals (to me at least) that you do not believe the city can come into being in actuality, and that it will remain forever a science fiction fantasy shared with readers of the NewMars forum, soon to fade into the oblivion from which SpaceNut occasionally rescues topics he considers worthy of another look.

(th)

louis wrote:

I never appointed myself leader of the fictional/inspirational Sagan City. smile I am very happy for people to have their own ideas about development. I intend to press on with my own timeline but would be very interested to hear how other people see things.

"power, air and other gas supply, agricultural products, industrial support and transportation services" have all been extensively discussed here, but there is always room for a fresh perspective.

If I was a  real CEO of a real Sagan City my view would be "Happy to appoint this person and see how they perform in line with the overall plan, but they don't get complete autonomy. Quality control and adherence to the overall development programme are important."

#25361 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-14 07:23:52

Louis,

Per your clarification, I have removed reference to the Viking I landing site from the Attributes post.

Thanks for your additional thoughts on the topic of Sagan City.

(th)

#25362 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-13 08:45:47

Louis,

I have updated Post #21 to show the area and boundaries you have defined.

Please note that for simplicity of reference for future inquiries, I have selected the Viking I landing site as the center of the circle.

Please advise if this is not acceptable.

My objective is to remove ambiguity from decisions made to bring Sagan City into existence.

***
I'd like to move on to another focus .... now that you have chosen a site and a set of boundaries for the city, will you agree to allow others to develop concepts on the surface of Mars without interference from you?

You have reserved Pi * 100 Kilometers square kilometers for your proposed city.  That is an area large enough to hold millions of people in time.

If you accept my suggestion, you will accept that others can develop other areas on Mars without interference from you.

It is to be expected that the economic needs of the people of Sagan City will inspire others outside the City to supply those needs.

Examples are power, air and other gas supply, agricultural products, industrial support and transportation services.

I am picking up from your vision the impression that Sagan City itself would become a cultural center with living facilities attractive to visitors from elsewhere n Mars and from elsewhere in the Solar System.

If you agree to this proposal, you will free up opportunities for others to concentrate on the delivery of products and services needed by residents of the City itself.

Reminder: to reach Post #21 above, you can search for SearchTerm: and :SaganCityAttributesOf with Author tahanson43206


(th)

#25363 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-12 08:31:23

Louis,

This is a reminder that I've asked you to make another critical decision on behalf of your Sagan City concept.

Please squeeze in a moment, between your discussions of religion on Mars, to confirm my suggestion or make another that you find more pleasing.

tahanson43206 wrote:

Hi Louis,

I would like to bring focus back to the topic of defined boundaries, which you have to this point refrained from setting.  I recall your point of view as being based upon human history, in which (apparently) most settlements arbitrarily defined by a camp site expanded over time into large tracts of land.

Please consider expanding the Sagan City boundaries to a circle 100 kilometers from the center you have already defined.

Please further consider defining a square for allocation of property inscribed within the circle, with East, West, North and South quadrants.

Finally, please consider reserving the chord regions for city property, to be used for parks, agriculture, power collection and for other community purposes.

If someone else in the forum has the ability to do so, please create an image that reflects this concept.

(th)

(th)

#25364 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-11 19:00:09

Hi Louis,

Thanks for taking up the boundaries issue, along with several other topics active in this series.

I am happy to see the discussion of how to deal with religion continuing.  In my opinion there is a way to go before the vision for Sagan City is satisfying or at least acceptable to the majority of potential residents. 

However, I would like to keep focus on boundaries for the city, because I have not yet succeeded in persuading you of the importance of defining them.

Closely related to the issue of boundaries is the larger issue of Rule of Law and its cousin, Property Rights, and the related issue of Free Enterprise.

It is entirely possible you have already assured your audience of your support of these fundamental concepts, and that I have just overlooked it.

Boundaries for Sagan City are essential for establishing at the outset that Property Rights are recognized by the Founder. 

At this point, it seems to me that you are (accidentally of course) encouraging a free-for-all in which the rich and powerful take everything they want when they want it.

No doubt I am misinterpreting your intention.

(th)

louis wrote:

Well the issue of boundaries is an interesting one.

I haven't sorted out my thoughts on that entirely...

As a thought experiment I would like to ask do we actually need city boundaries and state or regional boundaries?

#25365 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-11 07:59:40

Hi Louis,

Thanks for the clarification of your views on religion, and for expanding your explanation.  I had focused upon the word "secular" and overlooked your acknowledgement of the existence of religion. 

My intention is to come back to this topic at some point, because I think it will be helpful for you to extend and expand your thinking.

However, I would like to bring focus back to the topic of defined boundaries, which you have to this point refrained from setting.  I recall your point of view as being based upon human history, in which (apparently) most settlements arbitrarily defined by a camp site expanded over time into large tracts of land.

However, in recent centuries, that model has become less common.  Far more common is the model of the layout of Washington, D.C., which was supervised by a cadre of professional surveyors.

In the present time, the ancient undisciplined campsite model seems to me inappropriate, and fraught with seeds of conflict.

Please consider expanding the Sagan City boundaries to a circle 100 kilometers from the center you have already defined.

Please further consider defining a square for allocation of property inscribed within the circle, with East, West, North and South quadrants.

Finally, please consider reserving the chord regions for city property, to be used for parks, agriculture, power collection and for other community purposes.

If someone else in the forum has the ability to do so, please create an image that reflects this concept.

(th)

louis wrote:

2034 

The tenth anniversary of humans first landing on Mars! The date gets a lot of attention on Earth, where billions of people are fascinated by developments on our "cousin" planet. 
Religion: None. Mars regulatory approach is secular. There is a standing instruction that religious observance must be a matter of private observance. No Mars Development Corporation (MDC) facilities are made available for communal religious worship.

#25366 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-10 20:00:15

Hi Louis,

Thanks for both those links ... the first did not come up (timed out) but the second did, and I pulled down the pdf policy document.

That is too much to read right now, but I'm interested in taking a closer look in the new future.

In the mean time, I note that you have been setting down elements that might become part of "Louis's Planetary Protection Policy"

The prohibition against religion is interesting but (to my mind impractical) my guess is that human beings invent or adopt religion as a basic need.

My interpretation is that religions are software for neural networks.  They've evolved with human brains, and (I suspect) will continue to evolve as human beings gain better understanding of the Universe.  An attempt to ban religion is (to my way of thinking) equivalent to banning human beings.

Your vision may include concepts that are designed to limit conflict between individuals or groups, but I've not yet had time to study your recent flow of articles in order to know.

In the mean time, I'd like to remind you that what exists today at the United Nations is subject to change, and you are in a position (as a UK citizen) to attempt to bring about beneficial change through your official representative to the UN.

With so much going on right now in the UK, the good lady might appreciate a change of pace ... something else to think about.

(th)

louis wrote:

My concern is that the UNOOSA is unduly influenced by COSPAR -

https://cosparhq.cnes.fr/about

COSPAR has a very restrictive policy on what it calls "planetary protection" which I see as an anti-colonisation strategy:

https://cosparhq.cnes.fr/scientific-structure/ppp

If you let the UN dominate Mars exploration and settlement, they will restrict it. This is in the interests of space agencies that are now way behind Space X in terms of a Mars capability.  They will back a restrictive approach to "planetary protection". But once they have the capability they will establish bases on Mars. Initially these may be like the Antarctic bases but I don't think it will be too long before people realise that Mars has huge capacity for settlement. 

I don't think it will take long before these "bases" become national settlements. We will see religious groups of various types - Baptists, Scientologists, Islamic groups etc want to get in on the action.

Before you know it, Mars will be replicating all of Earth's petty divisions and hatreds.

#25367 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-10 15:45:48

Louis,

Thanks for the link to the UN committee on Outer Space ...

A quick search of the web site did not reveal anything about policy recommendations, so I sent an inquiry.

Begin Quotation:
Does [UNOOSA] have a standing policy for settlement of Mars?  There is a risk of conflict between major nations as settlement of Mars proceeds. 

A model for a policy to reduce risk of conflict appears to be the set of agreements arrived at for Antarctica.  However, the distribution of land in Antarctica is not reflective of the distribution of land among nations on Earth.  In the case of Mars, there exists the potential to address the issue of distribution of land before humans "take possession" of the planet.
End Quotation.

(th)

#25368 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-10 07:36:16

Louis,

Thanks for continuing development of your vision for Sagan City.

A city is a social construct.  A vision is a significant framework upon which humans can build.

I am pulling one small section from your 2036 article to invite your consideration of action you can take now to improve probability that your vision will be realized.  The permanent representative to the United Nations from Great Britain is Dame karen Pierce, according to sources collected by Mr. Google.

I'm hoping to encourage you to contact Dame Pierce to invite her to support an initiative to recognize Mars as an Antarctic style conflict free zone. My opinion is your mention of UN recognition of Mars is about 18 years too late.  Conflict is inevitable when great human powers are butting heads, but the Antarctic example shows that "civilized" behavior is possible. 

Earlier, you have demurred from selecting borders for Sagan City.  This is an oversight you may wish to correct, as you prepare for your conversation with representatives of Dame Pierce's office.  No human being is going to take seriously a claim to founding of a city if borders are not clearly defined.

You are off to a terrific start by selecting a location for the City Center.

Things are in a state of such flux here in the States, I am doubtful this is a good time for a contact along these lines with the office of the UN Ambassador from the US.  On the other hand, if a contact from a US resident in support of your initiative would be worth trying, I'm willing to make the attempt.

Begin Quotation:
Karen Pierce - Wikipedia
https://en.wikipedia.org/wiki/Karen_Pierce
Dame Karen Elizabeth Pierce, DCMG (born 23 September 1959) is a British diplomat who is the Permanent Representative of the United Kingdom to the United Nations.
Career · Offices held
End Quotation.

(th)

louis wrote:

Mars 2036

China and the ESA have both announced plans to establish their own bases on Mars within the next 4 years, following on from their successful establishment of lunar bases.  The UN Secretary General has argued that Mars should become a UN territory governed by the UN.  These developments are prompting discussions within Space X, MDC and the nascent Mars institutions like MITE and the Mars Council about how to respond.

Musk, newly arrived on the planet, has established a website called The Mars Oracle . He is already using this to call for the immediate establishment of a global Mars Republic based on democratic principles with its own constitution.

#25369 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-09 17:39:09

Hi Louis!

Thanks for noting the proximity of these youthful entrepreneurs.  They won't know they are welcome if you just tell the NewMars forum, but that is an essential first step, which you have completed.

You suggested the solar panels might have cords to yank to clear dust.  These folks appear to have the ability to yank those cords, if that's what you think is best.

They would need a ride to Mars, and since Britain has not yet successfully deployed a working probe, this might be just the ticket to reawaken the public spirit.

Heck ... they could stop by the Beagle to see what might be salvaged, as a first activity.

(th)

louis wrote:

They're welcome on board. smile

tahanson43206 wrote:

Louis,

Here is some local talent you might be able to recruit for a Sagan City project of some kind:

https://www.cnbc.com/2018/12/07/27-year … mazon.html

(th)

#25370 Re: Human missions » Going Solar...the best solution for Mars. » 2018-12-09 07:42:24

Louis,

Some years ago now, a local robotics competition for high school students included a challenge to sweep dust off solar panels.  I have noticed the absence of robots on Mars to perform that function.  That's not a criticism of course, because the missions currently on Mars have been scrubbed of non-essential functionality.  However, the next generation might well include robots dedicated to maintenance of solar panel arrays.  A potentially useful cleaning method would be jets of atmosphere across the panels, to try to reduce abrasion of the surface of the panels.

Edit: If a private enterprise were looking for a project, to test a solar panel cleaning robot, here is a suggestion:
https://mars.nasa.gov/mer/mission/statu … tyAll.html

(th)

louis wrote:

The InSight lander is currently generating about 0.5 KwHs per sq. metre per sol in a non-optimal insolation zone.


To produce 1000 tons of propellant you need an averaged constant of around 122 Kwes throughout the sol for 700 sols (although of course that's the average -  the power intake could vary to some degree). So a 10,000 square metre PV field could meet that requirement, but you would need possibly to increase it slightly to allow for the impact of any prolonged dust storms.

#25371 Re: Life support systems » Mobile Energy Storage in a Mars Colony » 2018-12-09 07:33:27

For elderflower,

Thank you for giving the question a boost!  Your point about the drag on a single arm inspired me to wonder about a continuous structure. If this link works, it should show a view of the nautilus from nature, and a human design for an impeller.

https://www.mnn.com/leaderboard/stories … ficiencies

For Mars, such an impeller would (probably) be made as light as possible within the constraint of requirements for strength, since (I'm assuming) it would need to spin at a fairly high rate to deliver useful volumes of atmosphere to the next stage of a compression system. 

My guess (at this point) is that the best place for a filter system would be outside the spinning device, because that would be a convenient location for maintenance.

(th)


elderflower wrote:

I did consider a tip jet arrangement for a possible Mars helicopter. I couldn't make an enormous rotor produce sufficient lift for expeditionary purposes with a tip speed of M=0.85. The very low density of the atmosphere was the main problem here. Nonetheless, putting a diffusion device on each end of a long, centre pivoted arm rotating at high speed would be possible. All the structural problems for this have been solved. However you would use a lot of the pressure you generate just getting the product to flow back up the arm to the centre where it can be tapped off and quite a bit of power overcoming the windage of the arm.

#25372 Re: Exploration to Settlement Creation » A City Rises on the Plain... » 2018-12-09 07:06:14

Louis,

Here is some local talent you might be able to recruit for a Sagan City project of some kind:

https://www.cnbc.com/2018/12/07/27-year … mazon.html

(th)

#25373 Re: Life support systems » Mobile Energy Storage in a Mars Colony » 2018-12-08 15:12:16

Caveat ... I am not an engineer.  I am pretty sure there are members of the forum with significant engineering experience. I am hoping this question may be of interest:

Picking up on SpaceNut's image of a gas compression method, I am reminded of ram jets, which have the advantage of simplicity when compared to turbojet engines in particular.  I am wondering if there are useful trades which might make a rotating arm with ramjet tips worth considering for collecting Martian atmosphere for input to a compressor.  While SpaceNut has considered a moving vehicle as a location for ramjet style gas compression, I am wondering if a fixed installation might be worth trying, with a combination of technologies to arrive at an optimum efficiency?

To boil it down, I ** think ** the question could be reduced to: is a fan better than a ram for pre-compression of Martian atmosphere?

SpaceNut wrote:

The injector works as a result of greater pressure on the one side to allow flow through the device. Since its only flows in one directionis sort of like a check valve as well but electronicically controlled.

So we might be able to combine vehicle motion as the ability to compress mars Co2 with the help of injectors that allow the flow of pressure into a tank for storage as a function of collection.

(th)

#25374 Re: Unmanned probes » In-Situ Propellant Production, design a opensource demonstrator » 2018-12-07 11:02:47

kbd512 wrote:

There is a term that people in psychology call "magical thinking".  It's a belief or faith in an idea with no tangible evidence backing it.

kbd512 .... This is offered as a brief counterpoint. For your presentation on one view of "magical thinking" there are few who will surpass it.

However, after thinking about the point of view you are so effectively supporting, I decided to remind readers that this concept in English has more than one interpretation.  English (and probably all languages) has the multiple interpretation option built in as a feature.

"Magical Thinking" is what Einstein was doing when he imagined flying along with a light beam.

"Magical Thinking" is what the PhD's and undergraduates are doing when they try to think of a way to confirm the validity of String Theory with observations.

The interpretation I am offering, as distinct from your perfectly valid one, is that "Magical Thinking" is indistinguishable from "Creative Thinking".

I would argue that ALL scientific progress has come about as a result of a combination of observation of the natural world and creative thinking, which (I argue) was indistinguishable from "magical thinking" at the time it occurred.

Your presentation (while most assuredly valid) has the unfortunate effect of casting a wet blanket of implied criticism over the field of creative thinking.

The vision of humans living on Mars, most recently articulated by Louis in this forum, is going to come about through vast amounts of creative thinking, harnessed and guided by knowledge of the understood universe. 

While I agree that Louis does appear to engage in magical thinking from time to time, of the kind that you point out correctly does not match the understood universe, I find in Louis' imaginings inspiration for renewed effort to help him realize those parts of his vision which can be guided to match reality.

(th)

#25375 Re: Not So Free Chat » JOBS Jobs Jobs why are there none » 2018-12-04 14:56:33

Before proceeding further with ideas to develop this topic, the article below showed up on my news feed.

It seems pertinent to a discussion of how to harness the power of capitalism to bring about improved conditions for more people.

https://theweek.com/articles/810572/cap … g-designed

(th)

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