 h a l f b a k e r y The Out-of-Focus Group.
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I'd probably buy one. But my bloody room is cold enough already, will this not use up a fair proportion of the heat? |
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silver, i think it would initially use up the heat, but then it has to realease it somewhere, so it would let it out into the room ... in the end you would get the same amount of heating, it would just be delayed a bit. |
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what about just a lava radiator, instead of a lava lamp, this is close to a perfect idea! |
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[ neilp ] I thought about the entire radiator acting as a lava lamp,however my understanding is that you need to cool the top so that you create the flow of lava without it sticking to the top and allowing it to return.,a radiator has a constant flow of hot water.I agree this would be ideal if possible. |
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make it so [skin] I'd love it. (+) anyway for the idea. |
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I keep reading "Radiator Love Display". Which could be a number of things, if you think about it. |
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Auto accidents on the rise as drivers are entranced by lava radiators. --More at 11-- |
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[lets] .. I think we were talking about radiators in the home, rather than car radiators, although that would be an altogether charming add-on. |
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[luecke] Would the movement of the wax not require energy? |
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Yeah, I'm just more accustomed to hearing about radiators in an automotive sense ... charming in both both applications, I agree ... |
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[ss] But in the end the wax doesn't go anywhere - no net work is done. (sorry [wax], I hope your boss isn't reading this) |
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[silverstormer] - Yes, you have to put energy into the wax/lava to heat it and make it rise. Some of that energy will then be lost in the form of friction as the lava moves around, but friction energy is just heat, so it is lost in a desirable manner. The rest of the energy is then released as heat into the environment as the lava cools off and sinks down. |
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I would have to dig out my thermo book to be sure, but I believe that all of the energy you put into the system would come back out in the form of heat. Your starting and ending conditions are the same (cold lava resting on the bottom), I cant think of any way the lava would permanently store the energy, and you are not creating mass (destroying energy), so what goes in as energy must come out as heat. |
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Yeah [luecke], I conceed. I did doubt my question soon after posting. |
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+ I'd like to have one of these right now. |
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