SCO's previous business hinged on sales of software licenses. The move to Linux means that licensing stops being a revenue-generator; the corporation has to support itself on something else.
What is that something? Will SCO try to reduce its costs for kernel and basic utilities and license value-added software for profit? Will SCO shift to putting its kernel and other technology into Linux and then sell its expertise on it as premium tech support? How much value do you expect to get out of the SCO brand? --
What it actually means is that it's completely unnecessary and caters to a small elite few. Why should the library of congress waste billions converting their collections to electronic format just so people can download/view them with their fat pipes.
Because community libraries will be one of those places where everyone, on either side of the "digital divide" (god I hate that term already), will be able to download and view the LOC's collection on a fat pipe. In effect, every library in the nation (and perhaps most schools) will have searchable access to the entirety of the LOC's electronic collection.
The point, Robin, is that the phone companies shouldn't be allowed to connect PBX's which don't pass proper ID information in the first place. These marketers should be removed from the PSTN until their equipment meets the same specs that all residential customers have to put up with, including the transmission of CLID information. Fair's fair. --
I keep getting hang-up calls which I know are from telemarketers. They have dialers which dial up a whole bunch of prospects at once when they have an operator free or about to be free, and all but the first one to answer get a hangup. These calls are always without ID information. Here's what's broken about it:
The telescum can call me to the phone several times a day, without telling me who they are.
The telescum hang up on me, without giving me any opportunity to get on their do-not-call list and stop them from doing it again.
The telescum do not pass any information to my telco's phone switch, so my call-trace won't work. (I'd report them as chronic harassers and try to get their service cut off, but this is next to impossible if there is no way to trace the call to back up the report.)
This problem is caused by the phone system allowing these scum to connect without passing proper ID information, and the lack of laws at the Federal level about telephone harassment. If they were forced to ID, I could block them with hardware that recognizes their name or phone number. If they had to report their phone number to the local telco switch, I could use call-trace to enter a report of harassment. If they were forced to actually have someone talk to me or otherwise give me the chance to get on their do-not-call list if I picked up the phone, I could get rid of them that way. But nothing makes them do that, so they can make me drop what I'm doing ten times before I get a chance to tell the live piece of talking pond scum at the other end that they should put me on the DoNotCall list and then kindly FOAD.
Its pure water, heat pipes can stand being frozen. Alcohol is not added, you would start distilling the alcohol, and end up with a poorly perfoming heat pipe.
The heat pipe can stand being frozen, if there is no way for the water to accumulate in a slug in one place. However, the CPU can't operate if the ambient temperature is below freezing. The vapor would freeze upon reaching the cold case. Ice cannot flow back to the heat source, and the result would be a CPU running without any cooling. A shot of alcohol would prevent freezing.
One way to eliminate this problem is to use another working fluid, like pure ethanol or even butane. A charge of butane equal to the contents of a cigarette lighter should be sufficient for a laptop-sized heat pipe. --
Glycol is used in coolant loops between chillers (basically, air-conditioners which cool a liquid instead of air) and the devices to be cooled. This allows the chillers to be mounted quite some distance away. This is a good thing; the last thing you'd want in your computer room is a huge compressor, and the plumbing for refrigerant lines is more trouble-prone (not to mention ozone-hostile) than glycol. Why glycol? Because the chillers work close to freezing, and it won't do to have the system plug up with ice and stop working. --
Don't worry. The reason the CPU gets so hot is because it doesn't dissipate heat to a large sink, such as the case. The larger the dissipating area, the smaller the thermal resistance and the lower the temperature rise over ambient. If you understand elementary electronics, think of the CPU as a current source; it generates a given amount of heat, regardless. If this "current" (heat flow) goes to "ground" (the environment) through a high resistance, it will create a high voltage (temperature); if you give it a low resistance, it will only build up a low voltage (temperature). Look up thermal resistance, you'll find it's rated in terms of temperature per unit of power. The analogy to electric resistance (ohms = volts per amp) is dead-on.
Convection currents won't be strong enough in this application to eliminate the need for a motor, and *some* movement of the vapor is needed to efficiently disperse the heat.
There you'd be wrong. To dissipate 22 watts under those conditions, you only need to move about half a gram of water vapor a minute. This requires a very small pressure difference between two parts of the system, and that is easily created by the difference in temperature (and thus vapor pressure) between the CPU cooling plate and the case. (Look up some steam tables if you have questions about this.) Capillary forces (such as exist in a wick or corrugated tube walls) will pull the liquid back from the heat sink, again without any motors required. Heat pipes have been working on satellites for decades now, and nobody puts a motor on a satellite if it's not absolutely necessary. Do you have any idea how much it costs to get a mechanic out there? --
Water will boil quite nicely at any temperature down to the triple point, as long as it's the only material in the system. Below 100 C, this means the heat pipe must operate under vacuum (you knew these things were sealed, right?). While pure water would work, I would not be surprised if the actual fluid in the pipe doesn't have some alcohol in it to protect the heat pipe itself from freeze damage.
If this is so, it means you could crack open your CPU cooling system when you ran out of vodka. --
Convection can occur in a single phase of a material (gas or liquid). Heat pipes use phase change to move heat; the vapor phase is produced from liquid at the heat source, and the liquid phase travels back to the source from the sink by gravity or capillary action. This is vastly more efficient than conduction, because the amount of heat moved per unit of mass is enormous (about 2500 joules per gram of water at these temperatures, IIRC) and only tiny pressure differences are required to drive the fluid flows. This leads to huge reductions in the thermal resistance and much lower temperature rise of the CPU over ambient. It also appears to get rid of the need for a fan, which eliminates noise and power drain. All around, it's very elegant. (If I'm not mistaken, heat pipes were a NASA invention.) --
The post in question (from "Lawrence Godfrey", if memory servers) is indeed on Deja.com. When I last heard about this, Demon was blocking all references to the Deja URL which brought up the post. I think; it's been a long time. Regardless, Demon did not originate the post and has no power to kill it, nor do the British courts have any authority to tell Deja.com to remove it. --
I wonder though, If one can send Usenet-wide kill requests, is it possible to filter such requests?
If I recall correctly, there are not only checks to ensure validity of kill requests on many servers which honor them, there are also servers which pay no attention to them. Once a post is out there, it probably exists indefinitely (until media obsolescence renders it inaccessible, unless it gets to Deja.com). --
Speaking as a life-long resident, the USA isn't so bad. If you're used to government-paid health care you'll prefer Canada, but if you are willing to absorb some sticker shock on that front the total lack of waiting lists (indeed, doctors and hospitals ADVERTISING to get your business) will please you. The crime rate is overblown unless you pick a bad place to live, and if you're a software professional you're unlikely to stoop that low. The kind of crime you're most likely to encounter, burglary and other property crimes, are about half as likely to occur to you as in Britain.
And petrol is only about 25 pence a liter, despite the OPEC-induced price spike.;-) --
There's an Australian company called Orbital which pioneered an air-powered gasoline injector for direct-injection 2-cycle spark engines. Mitsubishi et al. may have drawn some of their inspiration from realms to the south. I know the Japanese don't own the field; GM was testing a 2-cycle engine for a prototype mileage-champ vehicle some time ago. The killer was NOx emissions due to the lean-burn mixture; the engine could not meet EPA specs. --
Unfortunately, this whole thread took off on the weekend while I was off-net. I've got enough engine expertise to have short-circuited most of the misinformation going around, but sometimes you just can't be there...
Perhaps you mean that there is no throttle body valve (or no throttle body) but this is true on all diesel engines.
What I think this is actually about is the lack of prechambers. A prechamber diesel fires the fuel into a small (hot) space where it is easier to ignite; the partially-burned fuel/air mixture then blows itself out into the cylinder proper. The problem with prechambers is that they have a lot of surface area for their volume and add a lot to heat losses, lowering the efficiency. Direct injection gets rid of this, but causes other difficulties (notably cold starting; a prechamber is much easier to preheat than a whole cylinder).
I seem to recall that a Golf direct-injection diesel racked up something like 90 MPG in a tour of England some years back. Running at a cruising speed of about 50 MPH and with the lack of throttling losses inherent in the diesel, plus the reduced heat losses of the DI configuration, the only thing that could potentially beat it for efficiency would be a fuel-cell vehicle, and it might take a fuel feed which doesn't require a reformer (which loses efficiency) to get there. --
I've been having a dickens of a time finding references to this on the Web (here is an oblique reference to some of the facts), but the facts as I know them are:
CIA director William Casey was dying of brain cancer
Congress subpoenaed his testimony in regard to the Iran-Contra affair
Casey was scheduled for brain surgery before his appearance
This surgery didn't slow the progress of his disease, but it did destroy his speech centers
Congress got nothing from him during his appearance (a directly foreseeable result of the surgery)
I do not recall reading anything about the family asking for compensation; the man was dying anyway (he died very shortly afterwards), and I'm sure that payoffs are part of the spooks' usual and customary business practices. --
They might have been classified at first, but the reasons have been rediscovered independently. What were rediscovered independently? I'm glad you asked me that. After the discovery of differential cryptanalysis by academic cryptographers, an investigation of DES found that the S boxes were highly resistant to this technique. The original IBM scheme, using 64-bit keys, would have also allowed many weak keys to be used. The S boxes were designed by the NSA, proving that the NSA's cryptographers knew of differential cryptanalysis and how to make cyphers resistant to it years before the technique was discovered by people working in the public sphere.
"Not cracked yet" happens to be the acid test for cryptosystems. Anything which has been open to public scrutiny and attack for years without being cracked is more trustworthy than something which has not. DES is losing usefulness because hardware is now fast enough to do brute-force attacks at reasonable cost, but that's something we knew would happen. If you have secrets you need to protect for the ages, you don't use DES anyway. The tradtional way of protecting these things is to use bullets, though the US government is a little bit more sophisticated; to protect some secrets known by a dying CIA director, he was scheduled for neurosurgery which destroyed his speech centers before his scheduled Congressional subcommittee appearance. Not exactly subtle, but clever.
(Is there anyone who doesn't shiver when they think of the stuff like this that spooks do?) --
Guliani's grip was somewhat legitimate (although not legit enough). Why, he asked, should he have to pay for art that offends him?
Because, unless it is official GOVERNMENT art (where it is the government speaking), the government doesn't have a right to determine what art it chooses to fund based on who it offends (and that includes penalizing those putting on the display with demands for "refunds"). Neither can the government decide what museum is allowed to rent space based on the art displayed by that museum. Sure, you have a point about keeping the government out of the business of funding art, but the NYC government was already in that business. Once it made that choice, the First Amendment came into play and severely restricted the scope of the judgement calls it could make. Being an art critic and yanking funds isn't one of its options.
This is a good thing, as far as I'm concerned. I'm sure glad that the government can't decide to fund most art, and then restrict funding to works and artists that strive not to offend anybody. I would certainly find this offensive, if for no other reason than the regime's resemblance to the old Soviet Union. --
Check out what happened last year in Brooklyn at the art museum...
Did you? Unless I am seriously misremembering things, Guliani's gag attempt and de-funding was slapped down by the courts. Hard. Basically, he set a precedent that makes NYC safe for art museums no matter how much it pisses off the mayor or his friends.
The problem in Britain is that nonsense like the Laurence Godfrey suit against demon.co.uk actually gets anywhere instead of being tossed out as being without merit. --
The last time I had anything to do with this was about 5 years ago, but IIRC the ISO network protocol has variable-length addresses and isn't vulnerable to the address-space exhaustion which looms in IPv4. (I worked with a guy who was an ISO bigot and talked down IPv6 because nobody wanted to implement it... kind of the opposite of Vint Cerf.) So, I have to ask: why didn't ISO take off due to the issues with IPv4, thus giving IPv6 a chance to fill the niche? --
Imagine, for example, being woken at 4 am... to find out that lights don't work, the house is bitterly cold, and the lock on your door will not open...
Most people in that situation would quickly conclude that the window can be opened by throwing a chair through it; in other words, a hardware solution.;-) --
So for those of us like myself who thin kall of this WAVE stuff is just pointless/stupid.. what next?
Arm yourself with statistics like the 92% chance of harassing an innocent, note that the danger of rampage killers is far smaller than the risk of teen suicide, note that coercive "attention" from clueless administrators is far more likely to push a depressed student into suicide or make a borderline one angry than to fix anything.
Then take it to your school board and state representatives. Make sure that they know that this program, or anything like it, is a waste of money and likely to cause worse problems (including more deaths) than it could possibly prevent. Eliminate the money, and the sharks like Pinkerton will go feed elsewhere. --
Not every behavior, WAVE will discount it. Develop a self-consistent profile for each target, and use that. And never make a report from your own telephone; either use payphones, or if you get the chance to use another victim's home phone (even better!), use that. It screws up the traffic analysis and back-tracing capacity of the system.
I would also ignore popular kids unless they are snobbish and exclusive. Concentrate on the bullies, they are the true dangers. --
(BTW, the word is "precedent".) You missed the point. The ability to cut off huge parts of a company's market to force compliance with an edict is de jure not an "imposition", but de facto might as well be. In the end, the effect is indistinguishable. --
Slashdot Mirror
What is that something? Will SCO try to reduce its costs for kernel and basic utilities and license value-added software for profit? Will SCO shift to putting its kernel and other technology into Linux and then sell its expertise on it as premium tech support? How much value do you expect to get out of the SCO brand?
--
Try putting a pricetag on that.
--
The point, Robin, is that the phone companies shouldn't be allowed to connect PBX's which don't pass proper ID information in the first place. These marketers should be removed from the PSTN until their equipment meets the same specs that all residential customers have to put up with, including the transmission of CLID information. Fair's fair.
--
- The telescum can call me to the phone several times a day, without telling me who they are.
- The telescum hang up on me, without giving me any opportunity to get on their do-not-call list and stop them from doing it again.
- The telescum do not pass any information to my telco's phone switch, so my call-trace won't work. (I'd report them as chronic harassers and try to get their service cut off, but this is next to impossible if there is no way to trace the call to back up the report.)
This problem is caused by the phone system allowing these scum to connect without passing proper ID information, and the lack of laws at the Federal level about telephone harassment. If they were forced to ID, I could block them with hardware that recognizes their name or phone number. If they had to report their phone number to the local telco switch, I could use call-trace to enter a report of harassment. If they were forced to actually have someone talk to me or otherwise give me the chance to get on their do-not-call list if I picked up the phone, I could get rid of them that way. But nothing makes them do that, so they can make me drop what I'm doing ten times before I get a chance to tell the live piece of talking pond scum at the other end that they should put me on the DoNotCall list and then kindly FOAD.And that sucks.
--
One way to eliminate this problem is to use another working fluid, like pure ethanol or even butane. A charge of butane equal to the contents of a cigarette lighter should be sufficient for a laptop-sized heat pipe.
--
Glycol is used in coolant loops between chillers (basically, air-conditioners which cool a liquid instead of air) and the devices to be cooled. This allows the chillers to be mounted quite some distance away. This is a good thing; the last thing you'd want in your computer room is a huge compressor, and the plumbing for refrigerant lines is more trouble-prone (not to mention ozone-hostile) than glycol. Why glycol? Because the chillers work close to freezing, and it won't do to have the system plug up with ice and stop working.
--
Don't worry. The reason the CPU gets so hot is because it doesn't dissipate heat to a large sink, such as the case. The larger the dissipating area, the smaller the thermal resistance and the lower the temperature rise over ambient. If you understand elementary electronics, think of the CPU as a current source; it generates a given amount of heat, regardless. If this "current" (heat flow) goes to "ground" (the environment) through a high resistance, it will create a high voltage (temperature); if you give it a low resistance, it will only build up a low voltage (temperature). Look up thermal resistance, you'll find it's rated in terms of temperature per unit of power. The analogy to electric resistance (ohms = volts per amp) is dead-on.
Yes, I'm a physics nut, why?
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If this is so, it means you could crack open your CPU cooling system when you ran out of vodka.
--
Convection can occur in a single phase of a material (gas or liquid). Heat pipes use phase change to move heat; the vapor phase is produced from liquid at the heat source, and the liquid phase travels back to the source from the sink by gravity or capillary action. This is vastly more efficient than conduction, because the amount of heat moved per unit of mass is enormous (about 2500 joules per gram of water at these temperatures, IIRC) and only tiny pressure differences are required to drive the fluid flows. This leads to huge reductions in the thermal resistance and much lower temperature rise of the CPU over ambient. It also appears to get rid of the need for a fan, which eliminates noise and power drain. All around, it's very elegant. (If I'm not mistaken, heat pipes were a NASA invention.)
--
The post in question (from "Lawrence Godfrey", if memory servers) is indeed on Deja.com. When I last heard about this, Demon was blocking all references to the Deja URL which brought up the post. I think; it's been a long time. Regardless, Demon did not originate the post and has no power to kill it, nor do the British courts have any authority to tell Deja.com to remove it.
--
--
And petrol is only about 25 pence a liter, despite the OPEC-induced price spike. ;-)
--
There's an Australian company called Orbital which pioneered an air-powered gasoline injector for direct-injection 2-cycle spark engines. Mitsubishi et al. may have drawn some of their inspiration from realms to the south. I know the Japanese don't own the field; GM was testing a 2-cycle engine for a prototype mileage-champ vehicle some time ago. The killer was NOx emissions due to the lean-burn mixture; the engine could not meet EPA specs.
--
I seem to recall that a Golf direct-injection diesel racked up something like 90 MPG in a tour of England some years back. Running at a cruising speed of about 50 MPH and with the lack of throttling losses inherent in the diesel, plus the reduced heat losses of the DI configuration, the only thing that could potentially beat it for efficiency would be a fuel-cell vehicle, and it might take a fuel feed which doesn't require a reformer (which loses efficiency) to get there.
--
- CIA director William Casey was dying of brain cancer
- Congress subpoenaed his testimony in regard to the Iran-Contra affair
- Casey was scheduled for brain surgery before his appearance
- This surgery didn't slow the progress of his disease, but it did destroy his speech centers
- Congress got nothing from him during his appearance (a directly foreseeable result of the surgery)
I do not recall reading anything about the family asking for compensation; the man was dying anyway (he died very shortly afterwards), and I'm sure that payoffs are part of the spooks' usual and customary business practices.--
"Not cracked yet" happens to be the acid test for cryptosystems. Anything which has been open to public scrutiny and attack for years without being cracked is more trustworthy than something which has not. DES is losing usefulness because hardware is now fast enough to do brute-force attacks at reasonable cost, but that's something we knew would happen. If you have secrets you need to protect for the ages, you don't use DES anyway. The tradtional way of protecting these things is to use bullets, though the US government is a little bit more sophisticated; to protect some secrets known by a dying CIA director, he was scheduled for neurosurgery which destroyed his speech centers before his scheduled Congressional subcommittee appearance. Not exactly subtle, but clever.
(Is there anyone who doesn't shiver when they think of the stuff like this that spooks do?)
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Well, I see some little moderator can't tell the difference between an opinion and a troll. See you in meta-moderation.
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This is a good thing, as far as I'm concerned. I'm sure glad that the government can't decide to fund most art, and then restrict funding to works and artists that strive not to offend anybody. I would certainly find this offensive, if for no other reason than the regime's resemblance to the old Soviet Union.
--
The problem in Britain is that nonsense like the Laurence Godfrey suit against demon.co.uk actually gets anywhere instead of being tossed out as being without merit.
--
The last time I had anything to do with this was about 5 years ago, but IIRC the ISO network protocol has variable-length addresses and isn't vulnerable to the address-space exhaustion which looms in IPv4. (I worked with a guy who was an ISO bigot and talked down IPv6 because nobody wanted to implement it... kind of the opposite of Vint Cerf.) So, I have to ask: why didn't ISO take off due to the issues with IPv4, thus giving IPv6 a chance to fill the niche?
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Then take it to your school board and state representatives. Make sure that they know that this program, or anything like it, is a waste of money and likely to cause worse problems (including more deaths) than it could possibly prevent. Eliminate the money, and the sharks like Pinkerton will go feed elsewhere.
--
I would also ignore popular kids unless they are snobbish and exclusive. Concentrate on the bullies, they are the true dangers.
--
(BTW, the word is "precedent".) You missed the point. The ability to cut off huge parts of a company's market to force compliance with an edict is de jure not an "imposition", but de facto might as well be. In the end, the effect is indistinguishable.
--