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[Radio Controlled]

Im assuming that it would be similar to that... mithril? Plating one of the older characters invented.
You know, that near indestructible plate armor so cost ineffective you could buy an fullt customised avatar of war for the same price as it would take to armor your chestplate?

Vibranium was so rare that all the stuff on earth was enough for about one vibranium-alloy shield. Mithril isn't more common, at least not until electrolysis is figured out. (Tolkien originally based mithril on aluminum, IIRC.)

Silly GWG, mithril isnt a rare but naturally occuring element prized by short bearded fellows in a fantasy novel. Its an extremely expensive and difficult to produce synthetic meta-material invented by an inmate aboard a prison ship in a science fiction forum game.

It wasn't invented by an inmate, as far as I remember. Some spaceships are coated with the stuff. Someone just asked about it before to one of the scientists at their kiosk.

[Parisbre56]

Mixing a tiny amount of mythril in MK3 armour cost 10 tokens: http://www.bay12forums.com/smf/index.php?topic=108083.msg3988000;topicseen#msg3988000
Full mythril is 30 tokens a plate: http://www.bay12forums.com/smf/index.php?topic=108083.msg3987331#msg3987331
Search the on ship thread for Mythril. Make sure you search for Mythril with Y.

[Xantalos]

Im assuming that it would be similar to that... mithril? Plating one of the older characters invented.
You know, that near indestructible plate armor so cost ineffective you could buy an fullt customised avatar of war for the same price as it would take to armor your chestplate?

Vibranium was so rare that all the stuff on earth was enough for about one vibranium-alloy shield. Mithril isn't more common, at least not until electrolysis is figured out. (Tolkien originally based mithril on aluminum, IIRC.)

There was enough to make a shield out of the stuff? That's not very rare compared to some RL metals.

[Unholy_Pariah]

Mixing a tiny amount of mythril in MK3 armour cost 10 tokens: http://www.bay12forums.com/smf/index.php?topic=108083.msg3988000;topicseen#msg3988000
Full mythril is 30 tokens a plate: http://www.bay12forums.com/smf/index.php?topic=108083.msg3987331#msg3987331
Search the on ship thread for Mythril. Make sure you search for Mythril with Y.

I stand corrected, it was invented by the science section.

In any case my point was that i was asking about super expensive meta-materials that mimic the properties of such mythical metals, not the mythical metals themselves. Because yay for science.

[GreatWyrmGold]

Mixing a tiny amount of mythril in MK3 armour cost 10 tokens: http://www.bay12forums.com/smf/index.php?topic=108083.msg3988000;topicseen#msg3988000
Full mythril is 30 tokens a plate: http://www.bay12forums.com/smf/index.php?topic=108083.msg3987331#msg3987331
Search the on ship thread for Mythril. Make sure you search for Mythril with Y.

News to me.

There was enough to make a shield out of the stuff? That's not very rare compared to some RL metals.

It's quite rare compared to pretty much every material that exists outside a laboratory environment.

[Xantalos]

Francium has 14 naturally occurring atoms on the planet.

[GreatWyrmGold]

"20-30 grams" times 223 grams per mole times 6.022_E23 atoms per mole equals 5.17e22 to 7.75e22 atoms on Earth at any given time. And the shield in question isn't pure vibranium.

[Xantalos]

That's more than 14 atoms. Either that or Captain 'merica's shield is so little vibranium it makes no difference.

[Sean Mirrsen]

Francium has 14 naturally occurring atoms on the planet.

I wonder who counted them all?

[Radio Controlled]

Francium has 14 naturally occurring atoms on the planet.

I wonder who counted them all?

I did. Took ages, sorting through all those atoms by hand.

And then I had to do it all over again cause an intern spilled coffee over my reports.

[Xantalos]

Francium has 14 naturally occurring atoms on the planet.

I wonder who counted them all?

Hell if I know. Who has time to document random things you read in a thing somewhere at some point that may or may not be true?

[Radio Controlled]

I was giving you the choice out of gameplay reasons, since it would probably be endothermic.

I know it was for gameplay stuff, but I'm trying to get at least a semblance of believable chem for this.
Why do you think it should be endothermic, by the way? Any particular reason? Or just because you decided it should be condensation polymerization?

You could try to counteract it with another reaction, but thats gonna really slow down the reaction due to the temp difference retarding the reaction and the mixing making it harder for the chemicals to "Meet" each other in the fluid, if that makes sense.

If it's an endothermic reaction, then supplying heat should speed up the process, no? Why would the temp difference slow down the reaction?
How about this: we make it a condensation polymerization that gives of a bit of gaseous by-product (to help with the foaming).
Monomers are in solution A. In solution B, we add a chemical which reacts with something in A, this is exothermic. Thereby, if the concentrations are chosen good enough, once you mix A and B it'll take a short time before the exothermic reaction supplies enough heat for the endothermic polymerization to get going fast (so it doesn't start 'foaming' and expanding too fast). It doesn't really matter you need to mix them first, since heat is transferred relatively quickly, so once the initial mixing gives some heat and gets the initial crosslinking going, there will be equilibrium between the linking and expanding foam, and the exothermic 'jump-starter'. After jump-starting the linking, the secondary exothermic reaction (which will occur slower, but that shouldn't be too much of an issue) keeps the polymerization going, and keeps the temp of the whole thing at non-damaging levels.

If you really think it should have that high/low temp downside for gameplay reasons though, just say so, so we don't waste time on something you wouldn't allow anyway.

[GreatWyrmGold]

That's more than 14 atoms. Either that or Captain 'merica's shield is so little vibranium it makes no difference.

I don't know what to say about that first part. Yes, it is. Your research is Brownian in accuracy.
Obviously Cap's shield has a significant amount of vibranium in it.

Francium has 14 naturally occurring atoms on the planet.

I wonder who counted them all?

The Xantalos Department of Making Up Numbers?
As to how they actually figured it out, Francium is naturally formed only by radioactive decay. Figure out how much of the uranium ores containing francium there is and how fast they turn into Francium, then how long it takes them to turn into whatever they turn into.

[Xantalos]

Yes.

Fun fact, tinnitus is great for concentration, especially while trying to figure out how to cook things. You should all try it.

No sarcasm here.

[Parisbre56]

Do person sized automanipulators use standard manipulator batteries?
Do ship sized automanipulators use some larger version of that battery?