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LN2 is waaaay to cold for that job. But the "hot knees" phenomenon is well known and unpleasant.
The tiny fan is just to keep the processor cool, really. |
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Insulated pads ? Ceramic insulators under the laptop case ? "Laptop Pants" ? Oh no, not another pants idea .... |
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Waterproof laptops are Baked already, just very expensive, hence uncommon. |
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"Laptops for the Cryofrozen" |
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Maybe a "circulatory system" of water tubes that run through the interior of the laptop? |
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polartomato: Oh brilliant ! More weight ! Yes, yes, I really need that, my arms just aren't long enough and I've always wanted to be able to scratch my ankles without bending ....... |
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I think the answer is "laptop ears" - thin hollow alloy panels with heat-dissipating fins. The coolant is alcohol-based. It evaporates from inside the laptop and condenses in the "ears". Then when the frustration level gets too high, you turn of the machine and drink the coolant. Laptop/hipflask combo ? |
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8th: I don't think a "circulatory system" would weigh that much, but you make a good point... really they just need to add a few more vents. It'll make things run better too. |
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As for the fins, make beer-cooled laptops. Try and take that on your next flight. |
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Maybe one could stick a lap-shaped pad under the laptop, filled with chilled beer, straw attached. Or make it out of that can-cooling blue gel material. |
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Why not use the heat ? A pad full of nourishing soup could be warmed by the waste heat from the laptop. A pad of insulating material keeps the heat from reaching your thighs. When the soup is warm, the laptop beeps, and you can enjoy a nourishing meal through a straw (croutons could be a problem). Soup Pads (TM) would be available at all travel-associated retail outlets. It could even be used for warming milk for babies (They would need very small laptops - maybe something more palmtop sized ?). |
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Youcould just put a cushion on your knees, and the laptop on top of that. Problem solved, next! |
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Um - the effects of a liquid nitrogen spill onto your lap are potentially *much* direr than a little overheating. If it just runs off, no harm done, but if it forms pools in the folds of your pants, you'll get frostbite in the goolies. |
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DrCurry: At one place I worked, one of the test engineers once made an ice lolly by plunging a cup of orange juice from the drink machine into a Dewar of LN2. Then he peeled off the plastic and attempted to lick the lolly ...... |
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He ended up with serious burns to his tongue, permanently damaged his sense of taste, got a written warning, and narrowly escaped prosecution under Health and Safety legislation. His excuse ? "I was hot and thirsty." |
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In some circumstances, I consider LN2 to be potentially more dangerous than a burning liquid fuel, and I've had experience of both scenarios. At least you can kill a fuel fire quickly with a decent extinguisher. |
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Anemos: Working for a tech support company, I have heard several brilliant customer ideas on how to cool laptops, including the famous "I put it in the freezer to cool down and now the screen is all f***ed up." followed by the inevitable "Is this covered by my warranty? What do you mean, NO?!?!" |
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You'd be surprized if you took a look at the complexity of some of the modern Mobile P4 coolers- too bad they still dont work worth a shit, eh? They should incorporate the cooling fins into a coffee cup holder to keep the java hot on those long coding nights.. or use a Peltier cooler (and supply energy from *where*?) |
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thcgenius: At the risk of incurring an [m-f-d] for propounding a perpetual motion machine, I would suggest that the user dons a Seebeck-effect headband hwich provides power to the Peltier-effect cooler on the P4. The more frustrated the programmer gets, the hotter his head, and the better the processor cooling. I don't have figures on the comparative effciency of the semiconductor-based theromoelectric converters, but I'm guessing that it's not brilliant. I'll look it up. |
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We once had a "user" dunk a complete PC and control system chassis in a tank of dry cleaning solvent. Miraculously, there was no fire when he powered it up (linear power supply, bakelite transformer casing) but it never worked again. |
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What's needed is a larger heat sink area. Laptop heatsinks really aren't all that much bigger than the old Pentium (fanless) ones. Maybe a largish sheet of thin copper or other heat-conductive material is in order. |
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Since no one has mentioned it yet, how about laptops that produce less heat? Transmeta chips, for instance. |
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Very familiar with Transmeta Crusoe... they are installed in the <will not plug brand> Daylight Readable notebooks we stock at work. Problem is, they're slower than shit, and they still get hot. I will give it the thumbs up for battery life, tho.. |
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i have a tohiba latop and it is always over heating. I got so bad that the whole comput shut down. Now i am trying to fid some thing to cool it with. I found that elivating it will work well also.
Get a G3 powerbook they run cooler |
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I use mine as a space heater in class becuse i have dual turbine fans |
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