Post removed do to major flaws. Thanks for your time.
The physics of this article doesn't seem to work. Firstly, even a mass of several thousand tonnes won't really cause much gravity. Based on a mass of 3000 tonnes and a distance of 5 m (from the centre of mass; I'd imagine 3000 tonnes of sponge would have quite a large radius, so this is conservative), a 60 kg person would feel only about 0.003 N by my calculations. Secondly, I'm not sure how you could manage to increase the concentration of salt to 300 g/L in only 15 seconds. 10 x 15 x 4 m is 600000 L, so the amount of salt you'd need to add would be about 160 tonnes (I think), which would take quite a while to dissolve; if it's already dissolved and you're just replacing the water with more concentrated salt solution, you'd have to move 40000 L of water per second, and that seems like a lot (although I'm not an engineer so it might not be).
Thanks for your input. You seem to have put some real thought into it.
I agree the physics is a little shakey, and any information on ways to resolve it would be appreciated. If possible it would be nice to maintain the core concept, but if thats impossible some more hand-waving explanation could be implimented. It may be significant to note that each polymer chain is capable of such a gain in mass, but that may not make any difference in overall effect.
I also totally agree with your analysis of the salt situation. I've drasticly lowered the emergency protocol salinity, hopefully to a level that's still large, but possible with Foundation level technology.
That's what I'm getting from this.
The basis for your SCP is workable, but the way you went about implementing it is… very messy, at the least.
Now that you describe it in those terms, I can see how it would come across this way, but it isn't entirely unintentional.
On the topic of implementation, could you be more specific? I'm willing to admit it's flawed, (it is a first attempt after all) but its hard to resolve the issues without more detail as to what's wrong.