▲ 648 ▼ Datacenters in space are a terrible, horrible, no good idea. (taranis.ie) submitted 8 months ago by lemmydividebyzero@reddthat.com to c/technology@lemmy.world 246 comments fedilink hide all child comments
[–] fallaciousBasis@lemmy.world 0 points 8 months ago (19 children) A radiator. Next question? permalink fedilink source parent hideshow 19 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 15 points 8 months ago (18 children) What's going to be performing convection to dissipate heat from the radiator in a manner to support the heat generated by an AI data center? permalink fedilink source parent hideshow 18 child comments replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago (4 children) Obnoxious as he seems to be, he's actually right, there will be no convection, but they'd radiate heat in a vacuum, by IR IIRC. permalink fedilink source parent hideshow 4 child comments replies: [–] JcbAzPx@lemmy.world 10 points 8 months ago (1 child) You'd need an enormous radiator to move the heat a data center puts out. Not even all the billionaires put together could afford that. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago Sure, the idea is as bad as solar roadways. It's actually kind of impressive to come up with an idea that bad. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 2 points 8 months ago (1 child) To do that they'd have to be filled with something other than something water based to be able to do that over a large area which would require constant maintenance to do so. It's not easily feasible and I doubt people who want to do this or defend it realize that. I have to look it up but it takes Anhydrous Ammonia to perform that in the ISS. Like this is a bad idea and it fries my brain people trying to defend this. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 1 point 8 months ago Yeah as I have already said, it's kind of impressive how bad the idea is, I mean how can it be worse... permalink fedilink source parent [+] fallaciousBasis@lemmy.world -7 points 8 months ago (12 children) What part of radiator don't you understand? permalink fedilink source parent hideshow 12 child comments replies: [–] athatet@lemmy.zip 13 points 8 months ago (6 children) What you don’t understand is the size requirements those radiators would need to have to cool an entire data center. permalink fedilink source parent hideshow 6 child comments replies: [+] fallaciousBasis@lemmy.world -9 points 8 months ago (5 children) It's conserved. permalink fedilink source parent hideshow 5 child comments replies: [–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 7 points 8 months ago (4 children) Tell me you don't know how radiators actually work without telling me. They dissipate heat via convection through the air surrounding them or gasses in general. What does space lack a significant amount of? permalink fedilink source parent hideshow 4 child comments replies: [–] anomnom@sh.itjust.works 4 points 8 months ago (3 children) Yeah so there is some confusion here. The are radiators on cars or in houses, but those are more accurately heat exchangers. Then there are things like heat lamps, which are really IR radiators that convert electricity to infrared light that feels hot. Most of the heat you feel at a camp fire is radiant from the flame, unless you are down wind and feeling some convective heat, but most of that heat goes straight up with the smoke. permalink fedilink source parent hideshow 3 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] BeardededSquidward@lemmy.blahaj.zone 15 points 8 months ago (18 children) What's going to be performing convection to dissipate heat from the radiator in a manner to support the heat generated by an AI data center? permalink fedilink source parent hideshow 18 child comments replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago (4 children) Obnoxious as he seems to be, he's actually right, there will be no convection, but they'd radiate heat in a vacuum, by IR IIRC. permalink fedilink source parent hideshow 4 child comments replies: [–] JcbAzPx@lemmy.world 10 points 8 months ago (1 child) You'd need an enormous radiator to move the heat a data center puts out. Not even all the billionaires put together could afford that. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago Sure, the idea is as bad as solar roadways. It's actually kind of impressive to come up with an idea that bad. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 2 points 8 months ago (1 child) To do that they'd have to be filled with something other than something water based to be able to do that over a large area which would require constant maintenance to do so. It's not easily feasible and I doubt people who want to do this or defend it realize that. I have to look it up but it takes Anhydrous Ammonia to perform that in the ISS. Like this is a bad idea and it fries my brain people trying to defend this. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 1 point 8 months ago Yeah as I have already said, it's kind of impressive how bad the idea is, I mean how can it be worse... permalink fedilink source parent [+] fallaciousBasis@lemmy.world -7 points 8 months ago (12 children) What part of radiator don't you understand? permalink fedilink source parent hideshow 12 child comments replies: [–] athatet@lemmy.zip 13 points 8 months ago (6 children) What you don’t understand is the size requirements those radiators would need to have to cool an entire data center. permalink fedilink source parent hideshow 6 child comments replies: [+] fallaciousBasis@lemmy.world -9 points 8 months ago (5 children) It's conserved. permalink fedilink source parent hideshow 5 child comments replies: [–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 7 points 8 months ago (4 children) Tell me you don't know how radiators actually work without telling me. They dissipate heat via convection through the air surrounding them or gasses in general. What does space lack a significant amount of? permalink fedilink source parent hideshow 4 child comments replies: [–] anomnom@sh.itjust.works 4 points 8 months ago (3 children) Yeah so there is some confusion here. The are radiators on cars or in houses, but those are more accurately heat exchangers. Then there are things like heat lamps, which are really IR radiators that convert electricity to infrared light that feels hot. Most of the heat you feel at a camp fire is radiant from the flame, unless you are down wind and feeling some convective heat, but most of that heat goes straight up with the smoke. permalink fedilink source parent hideshow 3 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] Valmond@lemmy.dbzer0.com 5 points 8 months ago (4 children) Obnoxious as he seems to be, he's actually right, there will be no convection, but they'd radiate heat in a vacuum, by IR IIRC. permalink fedilink source parent hideshow 4 child comments replies: [–] JcbAzPx@lemmy.world 10 points 8 months ago (1 child) You'd need an enormous radiator to move the heat a data center puts out. Not even all the billionaires put together could afford that. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago Sure, the idea is as bad as solar roadways. It's actually kind of impressive to come up with an idea that bad. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 2 points 8 months ago (1 child) To do that they'd have to be filled with something other than something water based to be able to do that over a large area which would require constant maintenance to do so. It's not easily feasible and I doubt people who want to do this or defend it realize that. I have to look it up but it takes Anhydrous Ammonia to perform that in the ISS. Like this is a bad idea and it fries my brain people trying to defend this. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 1 point 8 months ago Yeah as I have already said, it's kind of impressive how bad the idea is, I mean how can it be worse... permalink fedilink source parent
[–] JcbAzPx@lemmy.world 10 points 8 months ago (1 child) You'd need an enormous radiator to move the heat a data center puts out. Not even all the billionaires put together could afford that. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 5 points 8 months ago Sure, the idea is as bad as solar roadways. It's actually kind of impressive to come up with an idea that bad. permalink fedilink source parent
[–] Valmond@lemmy.dbzer0.com 5 points 8 months ago Sure, the idea is as bad as solar roadways. It's actually kind of impressive to come up with an idea that bad. permalink fedilink source parent
[–] BeardededSquidward@lemmy.blahaj.zone 2 points 8 months ago (1 child) To do that they'd have to be filled with something other than something water based to be able to do that over a large area which would require constant maintenance to do so. It's not easily feasible and I doubt people who want to do this or defend it realize that. I have to look it up but it takes Anhydrous Ammonia to perform that in the ISS. Like this is a bad idea and it fries my brain people trying to defend this. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 1 point 8 months ago Yeah as I have already said, it's kind of impressive how bad the idea is, I mean how can it be worse... permalink fedilink source parent
[–] Valmond@lemmy.dbzer0.com 1 point 8 months ago Yeah as I have already said, it's kind of impressive how bad the idea is, I mean how can it be worse... permalink fedilink source parent
[+] fallaciousBasis@lemmy.world -7 points 8 months ago (12 children) What part of radiator don't you understand? permalink fedilink source parent hideshow 12 child comments replies: [–] athatet@lemmy.zip 13 points 8 months ago (6 children) What you don’t understand is the size requirements those radiators would need to have to cool an entire data center. permalink fedilink source parent hideshow 6 child comments replies: [+] fallaciousBasis@lemmy.world -9 points 8 months ago (5 children) It's conserved. permalink fedilink source parent hideshow 5 child comments replies: [–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent [–] BeardededSquidward@lemmy.blahaj.zone 7 points 8 months ago (4 children) Tell me you don't know how radiators actually work without telling me. They dissipate heat via convection through the air surrounding them or gasses in general. What does space lack a significant amount of? permalink fedilink source parent hideshow 4 child comments replies: [–] anomnom@sh.itjust.works 4 points 8 months ago (3 children) Yeah so there is some confusion here. The are radiators on cars or in houses, but those are more accurately heat exchangers. Then there are things like heat lamps, which are really IR radiators that convert electricity to infrared light that feels hot. Most of the heat you feel at a camp fire is radiant from the flame, unless you are down wind and feeling some convective heat, but most of that heat goes straight up with the smoke. permalink fedilink source parent hideshow 3 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] athatet@lemmy.zip 13 points 8 months ago (6 children) What you don’t understand is the size requirements those radiators would need to have to cool an entire data center. permalink fedilink source parent hideshow 6 child comments replies: [+] fallaciousBasis@lemmy.world -9 points 8 months ago (5 children) It's conserved. permalink fedilink source parent hideshow 5 child comments replies: [–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[+] fallaciousBasis@lemmy.world -9 points 8 months ago (5 children) It's conserved. permalink fedilink source parent hideshow 5 child comments replies: [–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[–] athatet@lemmy.zip 5 points 8 months ago (4 children) Right. Exactly zero understanding on your part. permalink fedilink source parent hideshow 4 child comments replies: [–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[–] fallaciousBasis@lemmy.world -4 points 8 months ago (3 children) Zero effort shit post. Cool. Do you ever make posts that demonstrate what your opinions are or what your own thoughts are or do you just like to talk about other people and put them down cuz it makes you feel better? permalink fedilink source parent hideshow 3 child comments replies: [–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[–] athatet@lemmy.zip 1 point 8 months ago (2 children) My opinion and thoughts: dunking on idiots online brings me joy. So I guess the last one I suppose. If I just had to pick one. permalink fedilink source parent hideshow 2 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent [–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[–] BeardededSquidward@lemmy.blahaj.zone 3 points 8 months ago They honestly come off as that sophomore in college that had a single class on something so are going around talking about it smugly. They complain about zero effort shit posts when they do the same thing. permalink fedilink source parent
[–] fallaciousBasis@lemmy.world -3 points 8 months ago You really don't seem particularly bright. So I did the math, just to double check. A 1 gigawatt datacenter radiating at 100C would need a square kilometer in radiator surface area to sufficiently reject/emit the heat. But then you need energy. With solar panels you'd need 2-3 sq km to sustain 1 GW. So.... The math checks out. I don't understand your arguments from ignorance. permalink fedilink source parent
[–] BeardededSquidward@lemmy.blahaj.zone 7 points 8 months ago (4 children) Tell me you don't know how radiators actually work without telling me. They dissipate heat via convection through the air surrounding them or gasses in general. What does space lack a significant amount of? permalink fedilink source parent hideshow 4 child comments replies: [–] anomnom@sh.itjust.works 4 points 8 months ago (3 children) Yeah so there is some confusion here. The are radiators on cars or in houses, but those are more accurately heat exchangers. Then there are things like heat lamps, which are really IR radiators that convert electricity to infrared light that feels hot. Most of the heat you feel at a camp fire is radiant from the flame, unless you are down wind and feeling some convective heat, but most of that heat goes straight up with the smoke. permalink fedilink source parent hideshow 3 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] anomnom@sh.itjust.works 4 points 8 months ago (3 children) Yeah so there is some confusion here. The are radiators on cars or in houses, but those are more accurately heat exchangers. Then there are things like heat lamps, which are really IR radiators that convert electricity to infrared light that feels hot. Most of the heat you feel at a camp fire is radiant from the flame, unless you are down wind and feeling some convective heat, but most of that heat goes straight up with the smoke. permalink fedilink source parent hideshow 3 child comments replies: [–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] BeardededSquidward@lemmy.blahaj.zone 0 points 8 months ago (2 children) There's a difference certainly but do you think the people who seem to be floating this idea know the difference? permalink fedilink source parent hideshow 2 child comments replies: [–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] anomnom@sh.itjust.works 1 point 8 months ago* (last edited 8 months ago) (1 child) Hard to say, but they’ve been using resistive radiative cooling In space a long time. Also a tech ingredients made a neat video about building one and radiating heat out into space from the ground. It was cool to see what happened when it was cloudy and stopped working. permalink fedilink source parent hideshow 1 child comment replies: [–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent
[–] fallaciousBasis@lemmy.world 1 point 8 months ago Radiative cooling is all you got in space. permalink fedilink source parent