When I proposed this a few years ago you guys called me crazy
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Best electric heater | Air Purifier |CES Innovation Award | Heatbit
You could buy other heaters or purifiers for a quarter of the price. But they won’t be powered by iPhone-level tech and created in a high-quality factory. They won't put money back in your pocket and save 0.3 tons of CO2 emissions yearly.
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@dangeRuss It's still crazy. It just means you're not the only crazy person out there.
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@dangeRuss it was a bad idea then, it's a bad idea now.
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Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.
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Meh, I have all-electric heating in my home (not my choice, but still). I'm sure you can do something more useful with the electricity than mining bitcoin, but not sure if running it through a giant resistor is that much better.
Edit: Hanzo'd by @topspin.
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@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
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At this point in the cycle, though, is this going to generate more than $1 or $2 per year?
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@Zenith said in When I proposed this a few years ago you guys called me crazy:
At this point in the cycle, though, is this going to generate more than $1 or $2 per year?
Depends on what kind of video card is in that thing I guess
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@error_bot xkcd my business idea
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@Zenith said in When I proposed this a few years ago you guys called me crazy:
At this point in the cycle, though, is this going to generate more than $1 or $2 per year?
Claims it can generate about $600 in 6 months running 24/7 based on the current bitcoin price
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@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@Zenith said in When I proposed this a few years ago you guys called me crazy:
At this point in the cycle, though, is this going to generate more than $1 or $2 per year?
Claims it can generate about $600 in 6 months running 24/7 based on the current bitcoin price
Buy three.
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@dangeRuss They forgot Canada
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@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@Zenith said in When I proposed this a few years ago you guys called me crazy:
At this point in the cycle, though, is this going to generate more than $1 or $2 per year?
Claims it can generate about $600 in 6 months running 24/7 based on the current bitcoin price
If it could generate $600 in 6 months, they wouldn't sell it for $250.
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@Gustav
It makes them $600, but you still have to pay for power
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@Gustav you mean people shilling crypto are lying? No way.
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@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
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@Carnage Heat pumps are more efficient than resistive heaters at generating heat on the 'hot' side of the heat pump. They generate less heat in total because they remove heat on the 'cold' side.
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@PleegWat said in When I proposed this a few years ago you guys called me crazy:
@Carnage Heat pumps are more efficient than resistive heaters at generating heat on the 'hot' side of the heat pump. They generate less heat in total because they remove heat on the 'cold' side.
The clue is in the name, they aren't heaters, they are heat pumps.
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
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@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
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@Carnage You are mainly turning low entropy (electric current) into something high entropy (heat). Taking a few detours along the way doesn't matter - 100W in means 100W out (energy is conserved).
Unless you are somehow alluding that a shitcoin is a higher energy state however it is stored. I guess putting a few electrons into a memory cell technically stores a bit of energy, but (a) there's a reason nobody uses RAM or SSDs as a battery and (b) storing all 1s (or 0s) would trap even more electrons.
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@cvi said in When I proposed this a few years ago you guys called me crazy:
@Carnage You are mainly turning low entropy (electric current) into something high entropy (heat). Taking a few detours along the way doesn't matter - 100W in means 100W out (energy is conserved).
Unless you are somehow alluding that a shitcoin is a higher energy state however it is stored. I guess putting a few electrons into a memory cell technically stores a bit of energy, but (a) there's a reason nobody uses RAM or SSDs as a battery and (b) storing all 1s (or 0s) would trap even more electrons.
So you are saying that entropy isn't a thing? Even data at rest requires energy. Even ignoring that, if work is performed, that is energy that can't be turned into heat. Because of the conservation of energy. If work had been performed, and all of the energy is also turned into heat, then somehow energy has been created.
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@Carnage Taking the system as an aggregate however, the only routes were energy is leaving the system are network signal (probably negligible), air moved by cooling fans (ends up being heat anyway) and radio signals from wifi &c (not sure how significant).
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
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@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
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@kazitor said in When I proposed this a few years ago you guys called me crazy:
@Gustav
It makes them $600, but you still have to pay for powerWhich, unless you have a heat pump, you're already paying for. Unless you have gas heat like me.
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
It is going to use the 1200 watts of power and turn it into heat. So in power to heat ratio it's exactly as effective. (Although most heaters are 1500 watts and would probably heat up quicker)
Also I said efficient, not effective. As in power consumption to heat output.
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Dude, don't be obtuse. Information is not equal to energy.
Your logic is also highly flawed because your logic demands that a certain percentage of energy flowing into this device would be stored as "information energy". Which means that this "information energy" would build up over time and lead to a catastrophe because you didn't also establish a sink. Well, if you want to call that a "logic bomb" I won't hinder you.
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Correct, watt is a unit of energy
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
So you are saying that entropy isn't a thing?
It is, but it's irrelevant here because there are so many other much larger factors in that environment.
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There is some evidence that erasing a bit¹ takes an energy kBT ln 2, but that’s energy that goes both in and out – the bit itself does not represent energy. It’s magnitudes less than what any real processor uses, which is still primarily the sad reality of passing current through a potential difference. “Landauer’s principle” is apparently the name this minimum energy goes by, and you can check out “reversible computing” for ways to avoid incurring it (since as we all know, irreversibility is the hallmark of entropy). Determining the information erasure involved in guessing a hash is left as an exercise for the warthog-slayer.
The key here is that doing (irreversible) computations is a matter of entropy, not energy. 100 W for heating versus 100 W for heating with a round-trip of SHA-guessing is 100 W used and discarded either way.
The problem with the product under discussion is one of economics. Even if it uses comparable power for comparable heat², it’s bound to be far more expensive and short-lived than a normal piece of metal, which makes the ROI over normal metal almost certainly negative, despite marginal gains of shitcoins.
¹ Erasing = destroying evidence of whatever it was before – so unequivocally flipping a bit and leaving an indication flipping occurred doesn’t count, because you still know what it was.
² If there are fans making any noise, it might be marginally less heat-efficient
³ orphan footnote: it’s midnight so please go easy on any residual dumb contained above
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@kazitor said in When I proposed this a few years ago you guys called me crazy:
³ orphan footnote: it’s midnight so please go easy on any residual dumb contained above
Just move to a sensible timezone
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@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Correct, watt is a unit of
energypower (energy/time). Joule is a unit of energy.FTF
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@kazitor said in When I proposed this a few years ago you guys called me crazy:
The problem with the product under discussion is one of economics. Even if it uses comparable power for comparable heat², it’s bound to be far more expensive and short-lived than a normal piece of metal, which makes the ROI over normal metal almost certainly negative, despite marginal gains of shitcoins.
Well that's the question, is the gain in shitcoins really marginal? If you can buy it from them for $450, which by the way is not a totally awful price for a heater/HEPA filter, although I don't know if the HEPA filtering would be any good, or how long the filter would last, or if there are even replacement filters), the question is how long would this thing work and how many shitcoins can it produce in that time vs how much additional energy would you use on it. If you are running it during the winter and already have electric heat that is not a heatpump, I would argue that you are not using any additional energy, so as long as the thing lasts more than 6 months where you would need heat and produces the $600 they promised, you are already ahead.
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@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Your mom.
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@Gribnit said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Your mom.
Are you calling his mom skinny?
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@Carnage entropy isn’t energy. If you use a resistive heater, it also increases entropy when converting energy from a low entropy state to a high entropy one.
Let’s see if we can find an analogous scenario where it should be more clear. Say you’re playing a video game, RTX on, and your PC draws 400W of power. The energy does something “useful” to you before getting converted to heat, as you can enjoy your vidya. When you turn the game off after an hour, you’ve burned through 0.4kWh of electricity. Where did it go? It got converted to heat. (Maybe some radiation that gets ultimately converted to heat, though)
It’s just as efficient as a big old resistor, i.e. electric heater.Heat is where everything goes in the end. Unless you’re using a heat pump, the only question there is about efficiency when heating is if you’re actually heating your home or something else (e.g. a gas heater is not “100% efficient” because it emits warm air, so while heat is generated you’re wasting a little bit of it.)
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@topspin said in When I proposed this a few years ago you guys called me crazy:
a gas heater is not “100% efficient”
I think they're usually computed at 101% or so. In laboratory conditions. They count the combustion heat of the gas, but not the thermal energy, and the heat exchanger between exhaust and intake air is very efficient.
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@PleegWat yeah, that’s why I said “a little bit” goes to waste. The heat exchanger uses most of it.
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@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@Rhywden said in When I proposed this a few years ago you guys called me crazy:
@Carnage said in When I proposed this a few years ago you guys called me crazy:
@dangeRuss said in When I proposed this a few years ago you guys called me crazy:
@topspin said in When I proposed this a few years ago you guys called me crazy:
Eh, it’s not that crazy.
IF you use resistive electrical heating, then obviously you’re just wasting electricity to create heat. Electricity you might as well use for something before it gets converted to heat. In other settings, using waste heat of data centers for district heating is quite sensible.The problems are of course: that only makes sense if you have a need / use for that, e.g. a data center, in the first place. If you just need heating, heat pumps are much more energy efficient than resistive heating, and much cheaper than high performance computer chips.
And, of course, using it to mine shitcoins is stupid because shitcoins themselves are stupid, worthless crap.Heat pumps might be more efficient, but absent that this thing is exactly as efficient as a space heater. And it mines bitcoin to boot.
Given that it is doing work other than heating, it can't be as effective as a space heater at generating heat, since the only thing resistive space heaters do is turn electricity into heat.
Well, for that to be true, a CPU would need to convert the electric energy into something else besides heat. Maybe if you discard radio waves as "usable" heat?
Information is not free, it requires energy. Shitcoins, for all their uselessness, is still information being generated.
I'm not aware that "information" is a form of energy.
What is not a form of energy?
Correct, watt is a unit of energy
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@Luhmann
is a unit of 
, along with the 
. is the ratio of / and tends to be inversly proportional to the energy released. So a low ratio (meaning a higher amount of compared to amount of tends to cause a localized energy release consisting of 
focused onto either the source of or the deliverer of it, like 
or 
.On the opposing end, a higher ratio of
is more prone to cause energy to depart, causing effects like 
or 
before sending the recipient into a catatonic state.A balanced state however is most likely to just cause an
and no extra effects.
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@kazitor said in When I proposed this a few years ago you guys called me crazy:
² If there are fans making any noise, it might be marginally less heat-efficient
Not really. Sound waves are eventually absorbed and turned into heat too.
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I appreciate the effort chasing the power efficiency rabbit, as it increases the chance of the supplicant actually buying one of these abominations. The missed argument is cost-efficiency over time. This thing will have an order of magnitude shorter working lifespan, aggravated if you ever turn it off and on again. Also you'd need to jailbreak it in order to avoid the vendor cut. Like I said, buy three, but only because your credulity calls out for it.
827: My Business Idea - explain xkcd
