Beta
×

Welcome to the Slashdot Beta site -- learn more here. Use the link in the footer or click here to return to the Classic version of Slashdot.

Thank you!

Before you choose to head back to the Classic look of the site, we'd appreciate it if you share your thoughts on the Beta; your feedback is what drives our ongoing development.

Beta is different and we value you taking the time to try it out. Please take a look at the changes we've made in Beta and  learn more about it. Thanks for reading, and for making the site better!

MIT Wristband Is a Personal Climatizer

samzenpus posted about a year ago | from the cooling-down dept.

Technology 86

rcastro0 writes "What looks like a CPU's heat sink worn around the wrist apparently may be able to make you feel cool even while it is hot — or warm while it is cold. As Wired reports, this termoelectric device explores human physiology and how we perceive temperature to fool our body and make us comfortable. The device is called Wristify, and Mashable has a video."

cancel ×

86 comments

Sorry! There are no comments related to the filter you selected.

Dupe (0)

foobar bazbot (3352433) | about a year ago | (#45288287)

Same thermoelectric bracelet as two weeks ago. [slashdot.org]

Re:Dupe (2)

Dan East (318230) | about a year ago | (#45288349)

Um, that links right back here, and now I'm caught in an infinite loop until a family member comes along and breaks me. Thanks.

Re:Dupe (4, Informative)

Anonymous Coward | about a year ago | (#45288433)

Correct link [slashdot.org]

Re:Dupe (4, Funny)

Desler (1608317) | about a year ago | (#45289449)

No, this one is a termoelectric bracelet. It's different.

Well, maybe not wrist... (2)

Professr3 (670356) | about a year ago | (#45288303)

I did this at college with a peltier cooler, a backpack full of batteries, and a GPU water-cooling kit :\ It ain't rocket science, and Atlanta heat is a powerful motivator.

Re:Well, maybe not wrist... (2, Insightful)

DavidClarkeHR (2769805) | about a year ago | (#45288449)

I did this at college with a peltier cooler, a backpack full of batteries, and a GPU water-cooling kit :\ It ain't rocket science, and Atlanta heat is a powerful motivator.

You did something different that had a similar effect.

Having the same results is not the same as doing the same thing.

Re:Well, maybe not wrist... (5, Insightful)

Professr3 (670356) | about a year ago | (#45288553)

Well, that depends on what you count as "something different" :\ They applied a bare peltier cooler to someone's wrist. I applied a water-cooled copper block to my forearm. The only difference I see is that my peltier cooler was already portable, had a heatsink fan, and transferred its thermal differential to my forearm via liquid coolant - but if you want to get technical, yes, I did something different

My point is, it's great that people are working on commercializing this, but it's not automatically a Big Brand New Development just because MIT strapped a 12V square to an old watch band and hooked it up to some temperature sensors.

Re:Well, maybe not wrist... (4, Insightful)

guanxi (216397) | about a year ago | (#45288641)

it's not automatically a Big Brand New Development just because MIT strapped a 12V square to an old watch band and hooked it up to some temperature sensors.

Sometimes it does seem like Slashdot simply publishes the MIT newsfeed, without the slightest skepticism.

Re:Well, maybe not wrist... (2)

ColdWetDog (752185) | about a year ago | (#45291109)

it's not automatically a Big Brand New Development just because MIT strapped a 12V square to an old watch band and hooked it up to some temperature sensors.

Sometimes it does seem like Slashdot simply publishes the MIT newsfeed, without the slightest skepticism.

Mostimes it does seem like Slashdot simply publishes ANY newsfeed, without the slightest skepticism.

Re: Well, maybe not wrist... (1)

iamhassi (659463) | about a year ago | (#45291913)

Agreed, and the article was horribly light on details, like how are they planning on powering a device that requires hundreds of watts? Batteries would be dead in minutes unless the plan on strapping car batteries to their backs. This won't go anywhere and whoever gave them money clearly has never used a peltier cooler before.

Re:Well, maybe not wrist... (1)

Joining Yet Again (2992179) | about a year ago | (#45289349)

This isn't the '70s, you dirty hippy. MIT is full of unassailable geniuses and either they or Apple did everything first. If you aren't monetising it by sending the design to a Chinese factory, it didn't happen.

Re:Well, maybe not wrist... (1)

Captain Centropyge (1245886) | about a year ago | (#45292721)

Except what you did -- using the water-cooling setup -- had a constant cooling effect. The Wired article specifically states that you get used to this cool feeling after a while. So, they're alternating warm and cool sensations to trick your mind into thinking you feel cooler than you actually are. (I'm sure there's a pun in there somewhere...) So, it's not just about cooling your body temperature, which is what most people think about doing. It's about psychology and mental trickery, which is considerably different than what you were doing.

Re:Well, maybe not wrist... (1)

Professr3 (670356) | about a year ago | (#45295401)

Mine was pulsed operation for that very reason. Two minutes on, three minutes off seemed to be a good timing setup, but it's certainly not empirical. I didn't have to reverse the polarity of the peltier block; the weather was hot enough. Again, though, you're missing my point - I'm not saying I did the exact same thing they did, but it was based on the same principles. There's no way I'm the only one who's done it, either.

Re:Well, maybe not wrist... (0)

Anonymous Coward | about a year ago | (#45288577)

youre wrong, i stood under an air conditioner and it worked perfectly

Re:Well, maybe not wrist... (2)

flyingfsck (986395) | about a year ago | (#45288879)

You should have tried water cooling. A wet towel around the neck doesn't need batteries...

Re:Well, maybe not wrist... (1)

Anonymous Coward | about a year ago | (#45290519)

You should have tried water cooling. A wet towel around the neck doesn't need batteries...

Sure it does.
The batteries help keep the towel from blowing away.

Re:Well, maybe not wrist... (1)

gl4ss (559668) | about a year ago | (#45290085)

no, you actually cooled yourself.

this is about exploring how to get thermal shock from not actually cooling ;).

video (0)

Anonymous Coward | about a year ago | (#45288313)

man someone should give that girl in the video a bracelet.

she sure looks hot.

Re:video (0)

Anonymous Coward | about a year ago | (#45288387)

But the voice... shudder.

Body hacking (4, Informative)

rwa2 (4391) | about a year ago | (#45288337)

DARPA was working on something similar to this. It was a special glove that actively drew blood to the surface of the skin on your hand and cooled it:
http://www.wired.com/wired/archive/15.03/bemore.html [wired.com]
Looks like someone managed to commercialize it: http://forum.slowtwitch.com/cgi-bin/gforum.cgi?post=4495810 [slowtwitch.com]

Anyway, your hands and toes are already your body's natural radiators, since they have a relatively high surface-area to volume ratio. Your body can already regulate its temperature naturally by pumping more blood into the capillaries near the surface of the skin when it needs to cool off more. As it mentions in the Wired article, simply applying a cold heat sink won't really work, since your body tends to draw blood circulation away from contact with cold surfaces, so you'd also need the pump or something to force the blood circulation back towards the heat sink.

When I do martial arts, I find I get the best cooling by simply swinging my hands back and forth. That gives me forced convection through my fingers, combined with enhanced evaporative cooling of my sweaty palms, while the extra centripetal acceleration draws blood out closer to my fingertips.

There's another similar body hack for those of us with trouble regulating your temperature while sleeping and tend to overheat and start sweating under your blankets: simply sleep with your hands and/or feet sticking out from under the blanket. This will let your body better regulate its core temperature using its natural mechanisms of pumping more blood closer to the skin for more cooling, or drawing blood away from the skin to retain heat and maintain proper core temperature. Hey, it's this "one simple weird trick" for better sleep, on the internet... who would have thunk it?

Re:Body hacking (2, Interesting)

Anonymous Coward | about a year ago | (#45288467)

I remember this case where a girl had gone through the ice. After she was rescued they cycled her blood through a warmer. It basically saved her life. DARPA might have been working on that.

Re:Body hacking (0)

Anonymous Coward | about a year ago | (#45288493)

Thanks for your comment. I can't agree with you more.

Re:Body hacking (1)

techno-vampire (666512) | about a year ago | (#45288567)

Another way to cool off in hot weather is to wet your arms down with cold water but not dry them off. The water will evaporate, drawing heat out of your arms in some natural air conditioning.

Re:Body hacking (2)

flyingfsck (986395) | about a year ago | (#45288889)

A wet towel around the neck works better. A wet T-shirt also works, but if it is a hot girl then it tends to get the guys all steamed up...

Re:Body hacking (3, Informative)

jamesh (87723) | about a year ago | (#45289069)

Another way to cool off in hot weather is to wet your arms down with cold water but not dry them off. The water will evaporate, drawing heat out of your arms in some natural air conditioning.

At night before we had any form of cooling i'd put our top sheet in the washing machine on rinse and then spin it enough so it wouldn't drip. With the ceiling fan on fairly low it generated enough evaporative cooling that we could get a good nights sleep. Of course if it was hot and humid we just ended up feeling yuck, but most of the heat here is fairly dry.

Re:Body hacking (0)

Anonymous Coward | about a year ago | (#45290973)

Yep. Evaporative cooling doesn't work well in 90 degree weather with 90%+ humidity in Florida. You're just wet and hot instead of just hot.

Re:Body hacking (0)

Anonymous Coward | about a year ago | (#45291237)

Ceiling fans count as cooling. That is if they work.

Which brings us to power failures - if you're in a hot humid country where the power cuts off when too many use it (because it's too hot ;) ) then you don't have much cooling...

Worse if there are many mosquitoes around... Terrible...

Re:Body hacking (1)

jamesh (87723) | about a year ago | (#45294581)

Ceiling fans count as cooling..

I pondered that as I was posting. I was going to add a footnote about the difference between a ceiling fan that just moves air around to enhance your body's natural cooling but doesn't actually cool the air vs a device that actually cools down the air before delivering it to you, but I figured most people would know what I meant... but maybe not.

Re:Body hacking (0)

Anonymous Coward | about a year ago | (#45289071)

No shit, Sherlock! I believe mammalian bodies already have this fuctionality, it's called 'sweating'.

Re:Body hacking (1)

jamesh (87723) | about a year ago | (#45289059)

There's another similar body hack for those of us with trouble regulating your temperature while sleeping and tend to overheat and start sweating under your blankets: simply sleep with your hands and/or feet sticking out from under the blanket. This will let your body better regulate its core temperature using its natural mechanisms of pumping more blood closer to the skin for more cooling, or drawing blood away from the skin to retain heat and maintain proper core temperature. Hey, it's this "one simple weird trick" for better sleep, on the internet... who would have thunk it?

I'll have to try that. When I'm even slightly unwell I feel extra cold so I pile on the blankets, but then wake up shortly after drenched in sweat. Maybe it will improve circulation in my feet too... although feet getting cold supposedly makes you want to urinate more.

Re:Body hacking (2)

Captain Segfault (686912) | about a year ago | (#45291577)

while the extra centripetal acceleration draws blood out closer to my fingertips.

I think you mean "centrifugal force". Note that a centripetal acceleration/force would be pulling your blood back inwards from your fingertips; you're looking for the equal and opposite force that is pulling the blood away.

Physics teachers who say that there is no such thing as centrifugal force are lying; it is every bit as real as gravity. It is a white lie, with the point of avoiding accelerating non-inertial reference frames. Such physics classes will show that centrifugal force is entirely explained by inertia in a reference frame undergoing centripetal acceleration. That's great.

Here's the problem: those same classes will regularly describe gravity as a force. The thing is, once you study general relativity you realize that gravity (and in particular the 9.8 m/s^2 acceleration you feel downward) has exactly the same explanation; space-time is curved by the mass of the Earth such that the surface of the Earth needs to accelerate upwards at 9.8 m/s^2 in order to remain "in place".

In other words, centrifugal force is entirely as real as gravity. If it is centrifugal force that makes your blood move out, don't be afraid to say it.

Re:Body hacking (1)

rwa2 (4391) | about a year ago | (#45292915)

F=ma ; Centrifugal force wouldn't work becasuse my blood wasn't baptized, so it doesn't have mass.

Joking aside, the centripetal acceleration merely describes the change in velocity of the swinging hand, like a pendulum, and helps line it up as cumulative with the local gravitational acceleration. Whatever centrifugal force is felt by components of the hand is more dependent upon the motion, so I thought it made more sense to describe that. Then the particulars of how it affects the blood pressure in the plumbing can then be worked out through force balance on the various pieces.

On a more practical note, if I had said "centrifugal force", then I'd still likely be having this exact same conversation with more people who paid less attention in physics than you or I, so using "centripetal acceleration" instead helps filter down to the people who at least knows the difference ;-)

Re:Body hacking (0)

Anonymous Coward | about a year ago | (#45294589)

As much as I hate xkcd links, this one [xkcd.com] is hanging above our ultracentrifuge.

A competing approach (2, Interesting)

Anonymous Coward | about a year ago | (#45288383)

The Hittites developed a somewhat different technology for personal climactic control known as the "sweater" c. 1700 BCE. It was independently invented by the Mayans; however, neither civilization apparently prepared source code for distribution under terms that today's FSF would find acceptable.

Re:A competing approach (1)

ruir (2709173) | about a year ago | (#45288827)

Hell, they didn't patent it either. Let me rush to the patent office, and I will be right back. Maybe I can send a patent of sweaters for wrists...

"device explores human physiology" (3, Informative)

Anubis IV (1279820) | about a year ago | (#45288457)

And this summary explores human tolerance for dupes of stories that have already been posted [slashdot.org] .

Re:"device explores human physiology" (2)

ruir (2709173) | about a year ago | (#45288833)

This isnt a story, this is an advertisement. Ban the guys that are modding this up.

Re:"device explores human physiology" (1)

David_W (35680) | about a year ago | (#45291211)

Ban the guys that are modding this up.

The editors?

Fooling body sensory and temp regulation system? (4, Insightful)

macraig (621737) | about a year ago | (#45288479)

Whatever could go wrong with that?

Re:Fooling body sensory and temp regulation system (2)

roc97007 (608802) | about a year ago | (#45288505)

Yes. I was thinking the same thing.

Kinda reminds me of drinking brandy to feel warmer.

Re:Fooling body sensory and temp regulation system (1)

macraig (621737) | about a year ago | (#45288537)

Oh, but this is in a whole new league of foolingishness beyond sipping brandy... AND it's being done in the name of boosting corporate profits and not improving the human condition.

Re:Fooling body sensory and temp regulation system (0)

Anonymous Coward | about a year ago | (#45289027)

beyond sipping brandy... AND it's being done in the name of boosting corporate profits

So you make your own brandy and don't buy it from a corporation?

Re:Fooling body sensory and temp regulation system (1)

Oligonicella (659917) | about a year ago | (#45289643)

Tut, tut. Some of us do. You can't find chokecherry, elderberry or persimmon (tastes like champagne) for purchase, you have to make it. And it's very simple to do.

Re:Fooling body sensory and temp regulation system (2)

sjames (1099) | about a year ago | (#45288579)

The trick to using alcohol to feel warmer is that you should only do it when you are back out of the cold or in some cases soon will be.

It can be a fine method to stave off frostbite when you are quite certain you will be in the warm soon. It can also be useful if you are quite certain your exposure will be brief.

The classic drinking out in the snow is very definitely a bad idea.

In the case of this device, it isn't meant to make a 120 degree hike in the desert feel like a spring day, it's to make a 78 degree home feel like it's 72.

Re:Fooling body sensory and temp regulation system (0, Interesting)

Anonymous Coward | about a year ago | (#45288671)

So it's really a device for pampered pussies who can't just suck it up and ignore the heat like normal people do?

PS I have no fucking idea what those numbers mean. Here in the civilized world we've stopped using the Reaumur scale or whatever centuries ago.

Re:Fooling body sensory and temp regulation system (1)

sjames (1099) | about a year ago | (#45288985)

So you have no idea if I described a warm day or the fires of hell but take it upon yourself to question anyone who doesn't just suck it up? Why don't you just go back to piously flagellating yourself and let the grown-ups talk?

Re:Fooling body sensory and temp regulation system (1)

AK Marc (707885) | about a year ago | (#45289033)

PS I have no fucking idea what those numbers mean. Here in the civilized world we've stopped using the Reaumur scale or whatever centuries ago.

Ah, so you are too dumb to even look it up. I'm surprised you managed to find the "post" button and type in a captcha.

Re:Fooling body sensory and temp regulation system (1)

jamesh (87723) | about a year ago | (#45289087)

Kinda reminds me of drinking brandy to feel warmer.

Or maybe it's like eating spicy food to keep cooler?

Re:Fooling body sensory and temp regulation system (2)

jamesh (87723) | about a year ago | (#45289081)

Whatever could go wrong with that?

I wondered about that. Is your level of thermal comfort directly related to the difference between your body temp and your desired body temp. If you are sweating to keep cool and feeling hot and yuck, will making you feel nice by cooling your wrist turn down/off your sweating, resulting in dangerous overheating, or will it just make you feel better but keep the sweat pouring out? I'm sure TFA has the details but I didn't read it when it originally appeared on slashdot so i'm sure not reading the dupe.

Re:Fooling body sensory and temp regulation system (1)

inking (2869053) | about a year ago | (#45289325)

Who knows? On one hand, one immediately thinks about all those people who are close to dying in the heat without knowing about it, because they've reached the stage when they no longer feel hot. Yet then again, if this is more like the heat regulation that dogs do with their tongues, it's not such a bad thing. I'm certain that at least the EU will make sure that thing doesn't accidentally kill people if it were to be launched on our markets.

Re:Fooling body sensory and temp regulation system (1)

EvilSS (557649) | about a year ago | (#45289417)

Except in extreme circumstances (similar to senior citizens dying because they used a fan in a overly hot room) not much. Your thermal regulation is based mainly on blood temperature measured by the hypothalamus. This is no different than wearing flip-flops instead of boot on a warm day.

Re:Fooling body sensory and temp regulation system (1)

Hentes (2461350) | about a year ago | (#45294187)

I definitely wouldn't use it for long periods, but fooling your body's perception heat could have interesting uses. I'd love to see this stuff hooked up to a TV or a computer to give appropriate temperature stimuli during a movie or a game. It would be like smellovision, just actually working.

Re:Fooling body sensory and temp regulation system (1)

macraig (621737) | about a year ago | (#45294239)

That might be a more legitimate use for this than how it's being marketed now.

Termoelectric? (1)

techno-vampire (666512) | about a year ago | (#45288541)

I realize that the Slashdot "editors" stopped doing any real editing years ago, but how did this story get all the way to the front page without anybody noticing that "thermoelectric" was misspelled?

Re:Termoelectric? (1, Troll)

VortexCortex (1117377) | about a year ago | (#45288563)

how did this story get all the way to the front page without anybody noticing that "thermoelectric" was misspelled?

For the last time, I'm not your personal fucking Google. [ed.ac.uk]

For a vampire your questions sure aren't well informed. What good is being immortal if you can't adapt to changing society? It's the Age of Information, who would want to be an eternal troglodyte? Stake yourself to a sun spot, you're giving creatures of the night a bad name.

Re:Termoelectric? Wow (0)

Anonymous Coward | about a year ago | (#45288637)

A techno vampire grammar nazi... that's some scary shit.

That video... (1)

LandDolphin (1202876) | about a year ago | (#45288605)

was useless. Way to take a couple minutes to tell me almost nothing more then you did in the title!

I read this as... (0)

Anonymous Coward | about a year ago | (#45288635)

MIT Wristband Is a Personal Climaxer and hoped for something completely different.

Agriculture (1)

shimul1990 (3413815) | about a year ago | (#45288657)

Agriculture helps to get food. So we should promote this technology very effectively....................

Is it true? really? (1)

ruir (2709173) | about a year ago | (#45288719)

In the last few years there have been a few wristbands designed by "NASA" and other places, and it is a very recurring theme for finding suckers. From the copper wristband in the 90s, that had tremendous health effects due to the metal blah blah, to the power silicon wristband which keeps your chakras happy, and which the idea is patented blah blah, the idea has been usually to sell a very cheap production item at luxury prices. The fact also this was presented in a MIT competition isn't the same as being developed by MIT, btw.

Re:Is it true? really? (1)

Bite The Pillow (3087109) | about a year ago | (#45290489)

It is impossible for someone to be this obtuse any way other than intentionally. Not reading, taking out of context, or turning the brain off would all be intentional. Not learning how to read, or not seeking help getting better, likewise.
Good luck in life, kid. You're going to need all you can get.
Moderators, the parent post is not worth moderating. It is best left alone as an example of how not to participate in any kind of discussion.

Re:Is it true? really? (1)

ruir (2709173) | about a year ago | (#45291317)

Obtuse? No sir, I am being sarcastic. I have seen already plenty of magic bracelets that could last a lifetime are there are some nice inventions called sweaters and gloves. That aren't patented btw. And I am not sympathetic for slashdot running continuously this patent advert. Did I offend you in any anyway? If I did, well, I really don't care. I am free to express my opinion, and if it smells like an advertisement to a con, looks like it and walks like it, it is really a con. And I guess that given the average reader of slashdot, that is a waste of time to try to advertise here this "fantastic" patent.

Termoelectrics (4, Funny)

Dthief (1700318) | about a year ago | (#45288769)

electronic crap that only works for one semester

Re:Termoelectrics (-1)

ruir (2709173) | about a year ago | (#45288771)

You don't get do you? They managed to glue their "magic" bracelet to the MIT name, and free publicity. Even slashdot is getting in the bandwagon, which is not omen for what slashdot has become. Those students should get an MBA right now.

Re:Termoelectrics (0)

Anonymous Coward | about a year ago | (#45291381)

wooooooooooooooooooooooooooosh.....

twas a joke (one of many I'm sure), about the /. "editors" misspelling a term of central focus within the article (i.e. its a THermoelectric, not a TERMoelectric)

"Mashable has a video." (1)

bluegutang (2814641) | about a year ago | (#45288855)

If so, then I'm NOT interested in this.

here in the U.S. we have (0)

Anonymous Coward | about a year ago | (#45288861)

the same sort of device, but the feeling is more of dread and a widening of the primary exit orifice - all thanks to Progressivism

I live in Vietnam... (3, Informative)

wisebabo (638845) | about a year ago | (#45288883)

And this would be such a great thing for my level of comfort, I'd love to try it.

There's only one thing, I'd have to be sure it isn't fooling (or not too much) the body's thermo-regulation system. I'd hate to die of heat stroke because my brain thought my core temperature was 98.6F when actually it was 106F.

Anyway perhaps this is actually (very efficiently!) lowering or raising the core body temperature. I understand that someone discovered that the past (current?) method of cooling off NFL football players, dunking their heads in ice cold water, was counterproductive. It causes the capillaries in the face/head to constrict REDUCING heat transfer when you want to increase it. Thus someone came up with a box that applied a partial vacuum to the hands which (combined with some cold water) efficiently reduced their temperature. Hopefully this device works using this principle (and perhaps the DARPA gloves do the same).

Anyone know if this is a perceived or actual control of body temperature?

Re:I live in Vietnam... (1)

Anonymous Coward | about a year ago | (#45289357)

Try a crushed ice enema.

Re:I live in Vietnam... (0)

Anonymous Coward | about a year ago | (#45290477)

Kangaroos in Australia cool themselves by licking their wrists. This looks like the new high tech way of doing that.

Wheeeooo (1)

sociocapitalist (2471722) | about a year ago | (#45288993)

Whoever actually wears that in public gets a geek license for life.

Re:Wheeeooo (1)

tuo42 (3004801) | about a year ago | (#45289145)

At least it's smaller and looks better than that Samsung Smartwatch ;)

Better headline... (1)

wbr1 (2538558) | about a year ago | (#45289183)

MIT Solves Global Climate Change on an Individual Level

Really?!?! (0)

Anonymous Coward | about a year ago | (#45289217)

Wouldn't it be a whole lot easier to put on a sweater or turn on a fan??? Geez....

Chubby, pasty white model...perfect! (1)

eatvegetables (914186) | about a year ago | (#45289311)

These guys covered all their bases. Note the appropriately chubby and pasty white hand model chosen for the Wristify picture. It's like I'm actually looking at the underbelly of some poor, dead bloated fish.... One with a heat sync strapped around its neck and ...ummmm, covered in pubic hair.

Re:Chubby, pasty white model...perfect! (0)

Anonymous Coward | about a year ago | (#45291115)

It's "sink", not "sync". A heat sink doesn't synchronize anything, it drains heat.

That's a joke... (0)

Anonymous Coward | about a year ago | (#45289441)

A Peltier element with a timer.

Woooooooo.

-_-

Hat (1)

nurb432 (527695) | about a year ago | (#45289837)

Doing this in a hat to cool your head would be more effective i would think. And wouldn't look so damned stupid either.

So this Climatizer can give me an Organism (1)

Kevoco (64263) | about a year ago | (#45289877)

on demand????

Need something with MORE surface area, not less. (1)

Charles Duffy (2856687) | about a year ago | (#45289941)

My wife has spina bifida -- as one of the effects, she doesn't sweat. At all.

This has the effect that when living somewhere where outside temperatures go above mid-90s, she's under doctor's orders to never be away from air conditioning, ever.

A personal, portable climate control device would be great... if it were more than just illusion. I imagine something peltier-effect based with a backpack -- perhaps with the actual heat-transfer region on the other side of a heat pipe, and thus able to be located under clothing. Sure, they're energy-inefficient, so even a Li-Co battery of reasonable weight wouldn't last that long, but being able to be outside for 30 minutes instead of 2 without getting heat stroke would be a big improvement.

Not that the tech will be personally relevant for long -- we're moving to Chicago in the spring.

Sharper Image (1)

DigiShaman (671371) | about a year ago | (#45289967)

The CoolWare Personal Cooling System 3.0

Old Tech (1)

pubwvj (1045960) | about a year ago | (#45290045)

This is old technology gussied up.

My grandfather taught me the simple trick nearly half a century ago of when you want to cool down to dunk your hands or feet in a bucket of water. To warm up, use hot water. This is merely a portable powered high tech version of this simple technology that has been around for a long time (thousands of years). Nothing new.

It's a trick? like the aes sedai trick? (1)

shadowrat (1069614) | about a year ago | (#45290915)

I always wondered about the characters in wheel of time. in the books, it describes the technique as a trick, rather than magic use, to ignore the heat and not sweat.. In that case, i thought, all the aes sedai, would drop over from heat stroke.

If this tech is simply tricking your body into thinking you are cooler than you are, isn't that actually risking heat stroke?

Ummm, what? (0)

Anonymous Coward | about a year ago | (#45293953)

Why is it such a shock that people in Brazil, a locale with a year-round tropical climate (as far as I know, anyway), use less air conditioning than people in the US, the majority of which swing between very cold to relatively quite hot. You'd find the same difference between say... Arizona and South Dakota.

How about instead of inventing devices to solve imaginary problems, we invent people that stop using statistics as though they are useful numbers?

Efficiency (1)

EmperorOfCanada (1332175) | about a year ago | (#45296251)

I have the same thermocouples that they are using and those things are ferociously inefficient. So the question is how effective is the cooling effect as compared to the huge amount of heat that would pour off the other side of the thing? I am not saying that it doesn't work but their device does have the necessary heat sink which also might be a wee bit problematic in that it will be both warm and cumbersome.
Check for New Comments
Slashdot Login

Need an Account?

Forgot your password?