I keep seeing people with - temps on there CPU

Expensive ;)

See the advanced overclocking thread sticky for the extreme examples of overclocking cooling
 
Dry Ice isn't too expensive.

CPU_GFX_DICE.jpg


:D
 
Phase change can be used day to day, but isnt for casual people. you can also get chilled water (Aquarium chillers, modified aqu chillers or custom jobs - similar to phase but with water chilled rather tha cpu directly) TEC cooling, tho only for lower power cpu's - usually paired with standard WC, VERY power hungry (your looking at constant 300+w for the cooling alone on a medium power cpu) or the old favourite of taking your pc outside on a cold night.
 
weescott said:
Dry Ice isn't too expensive.


:D
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But it's about as practical as rebooting a computer before loading a new application... :(

I can get hold of as much LN2 as I want but I don't use it because (a) my computer is rubbish and (b) it's a pain to play with properly.
 
Condensation will only occur when a surface is cooled below ambient temperature and then exposed to a higher temperature. There is a more technical definiation, but that's basically it.

What is required is lots of neoprene or some form of insulation around the cooling element, which is why the chilly end of these coolers is typically encased in a shell of some description.

And you lot suggesting mini-fridges? You should be ashamed of yourselves. ;)
 
asim18 said:
why not go all out, and put it in a mini freezer?
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whoa whoa whoa, it would be soo leet and amazingly original if you found some form of liquid that didn't conduct electricity to submerge a system in :o




IN all seriousness, Tec's use a lot of power, but so does phasechange, frankly running phasechange all the time is a touch stupid unless you live in I dunno, the desert and don't have Air Con.

Say a Q6600, 2.4Ghz stock, 3.6Ghz air/water cooling 4-4.4Ghz on Phase change, there is a great application that will show that extra speed, its called 3dmark, not really any other applications that will show that speed difference anyway and the extra power would be much better used on a dual cpu setup giving way more performance.
 
the space thing comes up every few months - wont work.

also, space has no temperatre, given that we regard temperature as a reading of the state of matter of the medium we are measuring - space has no medium and so to temperature.

if an object in space creates no energy/heat and is not affected by any other energy sources - unlikely - it will slowly cool down untill it matches the temperature of the microwave background radiation (about 3 kelvin iirc) due to radiation of heat, but it will take a while to reach those temps. if its got line of sight to a fairly close star (eg something in orbit of say the earth) unless its highly reflective of heat it will get extremely hot very very quickly. go sit by a window on a sunny day in an airconditioned room - you will still end up sweating - and the atmosphere has cut that solar energy reaching you down by a good factor or 2.

this is why things like the space shuttle are not powered by monster quad core storming cpu's but very frugal old chips (among other reasons) and why your not allowed to take up anything very power hungry. the thing spends all its time with its insulated and reflective white surfaces presented to the sun and dark radiative surfaces used as heat sinks and turned to deep space simply because its so hard to shed much heat.

Apollo 13 (usually used as the benchmark argument against the above here) got so cold because it spent a week, mostly in the shadow of the moon or earth, with a small profile to the sun, which was highly reflective. with a combined heat output of about 200w onboard, comprising the 3 guys and a handfull of lightbulbs it was steadily losing heat but still didnt instantly deep freeze.
 
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