Thank you Mr. Troll, you know what you're absolutely right... I didn't take you the least bit serious, I did a quick Google figured I'd throw you a bone, shut you up and be on my way before finishing my cup of coffee... but Mr. Troll is persistent, and clearly not completely brain dead, just unimaginative. my original post was pure blue sky, but perfectly feasible. Of course one could just passively convert waste heat into electricity in situ, and that would moot any other conversation and there are now reasonable technologies to accomplish that with more than a modicum of efficiency. If you had made that point originally I would have had to concede workability, because my idea depends on tech which is at least 10 years away. But you didn't do that, you just called bullshit on the whole thing... so I notice in your last post you didn't even mention the conversation regarding thermal superconduction. Do you concede that in the future city, graphene base high temperature superconductiors might be used to move heat as easily as moving electricity, as well as provide maglev highways or some kind of mass transport? That such technology would make possible exciting and novel energy collection and cogeneration possibilities that don't currently exist (by the way, I didn't make any of that up, folks have been dreaming about these applications for a long time.)
So thermal superconductors would be an effective means to move heat from locale to concentration point. You mention my being at odds with physical reality, perhaps, but I don't think so. However, by all means school me, won't be the first time I was wrong or the last, I just think you're being a disagreeable snot, and are desperately trying to save face. Like I said, though show me to be completely wrong, please.
My original idea was to find a metamaterial that naturally resonated in the microwave region and had small tuned cavities to convert IR radiation into microwaves, again passively, but this must not be an easy thing to do because I'm finding a dearth of literature on such a process (though it should be possible) and most industrial applications are going the other way (from microwave to infrared, which if you think about make sense). I picked microwave in the first place because of their efficiency in passing through the atmosphere and the ease with which a proper receiving array on the moon could convert the microwaves into electricity. That's when it hit me what is the most common way to take an EM frequency and reemit another (often lower frequency) and it was then that it became obvious. Using IR to pump a maser, Duh! So it turns out it's possible to pump a maser with hot gas, citations here, so again I ask what part of my conversation isn't feasible, effective, and efficient. Heat is pumped off planet, and still harvested to do useful work on the moon. All necessary tech should be available over the next 10 years, sooner if it were a priority.
Sorry everyone for feeding the troll, but I found it a useful thought experiment, so I hope it was worth it. Oh, and Mr. Troll, thank you for keeping me honest.. you served a useful purpose, now if you could just get that personality thing handled you might even be able to work WITH people. Oh and the only prima facie eviidence you hold is that I didn't believe you had the intelligence to notice I was brushing you off... and at that I happily admit I was wrong, Your brighter than I thought and I'm still brushing you off. Bye!