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viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

im not discounting that you can, but a metal frame is not the only thing holding back this dream of robots replacing people due to cost efficiency

i will note that in my paper i extolled the benefits of agricultural bots based on a chinese report that mentioned how a robot could work in the field and distill its own biofuel to power a chemical fuel cell

oaky wrote:i can think of very few situations where a high-performing material was replaced with a cheaper, higher-performing material

kevlar, uhmwpe, spinel, ceramics, and ceramic-matrix composites are all usually better than steel for armor applications but theyre all SIGNIFICANTLY more expensive

That's what materials scientists are looking into. Finding better reagents to form better chemical bonds for polymers. I believe that alkynes (triple bonds) are being used in modern materials science to make polymers even stronger, as well as more electronegative atoms like halogens, as well as amines.

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

marissa wrote:

oaky wrote:i can think of very few situations where a high-performing material was replaced with a cheaper, higher-performing material

kevlar, uhmwpe, spinel, ceramics, and ceramic-matrix composites are all usually better than steel for armor applications but theyre all SIGNIFICANTLY more expensive

That's what materials scientists are looking into. Finding better reagents to form better chemical bonds for polymers. I believe that alkynes (triple bonds) are being used in modern materials science to make polymers even stronger, as well as more electronegative atoms like halogens, as well as amines.

strength is not holding robots back - the cost is, and nice fancy polymers like UHMWPE don't come cheap (and those amorphous solids have a nasty habit of softening and melting at low temperatures, which sometimes destroys the strength of the material)

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is a two dimensional layer of carbon atoms that will not be replacing steel for a long time

viubladan wrote:

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

Heat up sp3 hybridized carbons with magnesium and carbon dioxide to reduce carbon and you form both graphene and fullerene.

marissa wrote:

viubladan wrote:

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

Heat up sp3 hybridized carbons with magnesium and carbon dioxide to reduce carbon and you form both graphene and fullerene.

and yet that graphene is totally useless for a real material (and i believe produced on a VERY small scale) and if you layer it you get something that resembles a suspiciously-useless allotrope of carbon

oaky wrote:

marissa wrote:

viubladan wrote:

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

Heat up sp3 hybridized carbons with magnesium and carbon dioxide to reduce carbon and you form both graphene and fullerene.

and yet that graphene is totally useless for a real material (and i believe produced on a VERY small scale) and if you layer it you get something that resembles a suspiciously-useless allotrope of carbon

Then the problem in materials science is producing graphene on a large scale, and organizing millions, billions of graphene in a structure for practical use.

marissa wrote:

viubladan wrote:

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

Heat up sp3 hybridized carbons with magnesium and carbon dioxide to reduce carbon and you form both graphene and fullerene.

you seem to think that most people have the tools necessary to do this or the money to buy said tools

more importantly nobody knows what to do with graphene anyways since it's only 11 years old and there is almost no market for it

marissa wrote:Then the problem in materials science is producing graphene on a large scale, and organizing millions, billions of graphene in a structure for practical use.

there is pretty much no way to efficiently do this on the scale you are suggesting

marissa wrote:

oaky wrote:

marissa wrote:

viubladan wrote:

marissa wrote:

viubladan wrote:again @ goyimfriend
your 'cheap and easy' manufacturing materials basically already exist; you cannot get much more bang for your buck than you can with steel

What is graphene??

Carbon atoms that are easy available, all you need to do is find a way to dehydrate C-H bonds to form C-C bonds to get your carbon tube.

graphene is one of the most expensive materials on earth

Heat up sp3 hybridized carbons with magnesium and carbon dioxide to reduce carbon and you form both graphene and fullerene.

and yet that graphene is totally useless for a real material (and i believe produced on a VERY small scale) and if you layer it you get something that resembles a suspiciously-useless allotrope of carbon

Then the problem in materials science is producing graphene on a large scale, and organizing millions, billions of graphene in a structure for practical use.

that is a HUGE PROBLEM

this is a much better discussion than fucking 'vote for john kasich'

tomoko demonstrating through marissa her pop-sci understanding of materials science in this thread, very endearing

"just make the graphene bigger"

john kasich melted on my street

salty wrote:tomoko demonstrating through marissa her pop-sci understanding of materials science in this thread, very endearing

"just make the graphene bigger"

however, young high school junior-oaky did not know about the enormous utility of single and few-layer graphene and nanoplatelet structures as functional and structural materials additives, respectively