Even your farm products are not independent from nature. You can still starve from drought, rainstorms, pests, diseases, etc.
I agree we shouldn't care too much about nature when it doesn't matter. But it does matter for now. Your argument will be correct when we've got most of our supplies from space (space farms, space mining, etc.), i.e. when we're out of this stinking ecosystem. By that time we may even nuke Earth into pieces and kill everyone you don't care for God's sake. But NOT NOW. You don't want to screw with your current environment when that is the only place you can live in.
Microsoft Anti-Virus has detected a virus on you computer.
Object name: linux-2.6.3.tar.bz2 Virus name: Linux 2.6.3 Action Taken: File deleted Comment: The Linux virus wipes out Windows partitions, raises TCO, educates users, hurts Microsoft stock prices, and spreads communism.
The source code.tbz is available in eMule now. Just search for the file "sync-src-1.00.tbz"
If you feel cocky, you can try to intercept a virus payload by listening on port 3127. You don't need to send any initiating message to the zombie connecting to you, just recv() everything is sends you. The payload should be in.exe format.
1. The titanium oxide is just a catalyst as many other d-group metal oxides do (e.g. vanadium (V) oxide).
It combines with the NOx molecules in the start of the reaction (as well as other reactants, e.g. H2O), the NOx molecules then combines with the H2O to form nitric acid. When the reaction completes, the titanium oxide molecule detachs itself from the nitric acid and is ready for the next reaction.
In theory, the oxide shouldn't get consumed in the reaction, it just serves as a reaction site for the reactants.
What is finite in the paint is the calcium carbonate. When it is completely consumed, instead of emitting carbon dioxide and the like, nitric acid will be washed away from the paint layer.
2. The acid will be washed away into the soil and the ocean.
The paint doesn't harm the environment this way tho, since NOx gases in the atmosphere will eventually combine with water in the air to form nitric and nitrous acids anyway. Which will also end up in the soil and in the ocean.
Ironically this process is essential in Earth's nitrogen cycle. The problem is we're having too much of it now.
Agreed, even if the energy supply for nanobots can be nearly infinite as they grow, they still need the materials to manufacture themselves. However amazing nanobots can be, they still have to depend on chemical reactions to get the energy and to replicate themselves. That is, they can't make their own atoms, and once the needed atoms run out in a "grey goo"'s surrounding volume, the goo should stop spreading.
Also, while sunlight is an infinite source of energy, its power is nowhere near chemical reactions per unit area or volume. i.e. if a mad scientist creates a grey goo to convert all H2O in the sea to H2O2 by combining atmospheric oxygen to water molecules with sunlight, and carbon dioxide in the air to replicate itself, and pour it to a Hawaii beach. That goo won't work at all since the reaction would be too slow, and that the reverse reaction would outpace the nanobots; also, the energy and materials the nanobots receive would be too little for them to replicate quickly. So all the Haiwaii government needs to do to stop this "terrorist" attack would be to collect that floating goo with a small boat and dispose it with proper methods (probably just burn it to CO2, it is made of carbon after all).
The easiest way on Earth to maintain a self-sustaining reaction is oxidation - as oxygen is very abundant here and also quite reactive. So if a grey goo were to destroy a large volume of matter while still obtaining energy for itself to replicate, the most sensible means would be to try to oxidize the material into more stable (but useless) forms. A great candy for a carbon nanobot goo would be iron-carbon steel, the nanobots could oxidize the iron into iron oxides to get their energy, and use that to get the convert carbon atoms into nanobots. However, once the block of steel runs out, the grey goo would have problem finding something else to oxidize (you can't get energy from trying to oxidize concrete, for example), and getting carbon atoms out of the air is very expensive since a lot of energy is required to break the carbon from oxygen in CO2. At that point, the grey goo stops working any further.
User: *click*
Clippy: It seems that you've just clicked a HYPERLINK! Hyperlinks can be harmful to your computer, it is recommended that you enter the hyperlink to the URL bar instead of clicking it directly. Would you like me to enter the link for you?
User: *reads* blah blah blah blah blah enter the link for me? wow great!
That'd be more appropriate for the monthly or weekly salary! Even programmers here in China don't get that much! Some newer guys here can't even afford an SCO Linux license (USD$699) from a month's work! AND I AM NOT KIDDING OR TROLLING, DON'T MOD THIS FUNNY OR TROLL! IT IS REAL!
Wake up folks, for the sake of fact, your programmers' salaries in the US are WAY higher than where your company is outsourcing to. I'm not saying if these companies' decision are right or not. But if you still think these US companies are outsourcing to someone working at USD$80 a day, then either someone is cheating your boss or you're cheating yourself.
I'm sure many of these geeks here have used PowerDVD or WinDVD here. There has long been a technology to simulate Dolby 5.1 (YES! with the.1 even!) with 2 sided headphones. And that's the little Dolby Headphone thing in your PowerDVD settings.
(I think somebody else has posted this URL too, but anyway...)
http://www.dolby.com/dolbyheadphone/
More detailed description here
http://www.dolby.com/dolbyheadphone/DH_Story.html
The human ears takes a lot more cues than simple difference in amplitude and timing of ONE sound souce, in constructing a 3D model in your brain. In fact, if only these simple differences are taken, it can only simulate a 2D environment. You gotta be cheating yourself if you think you're hearing in 2D. One of the aspects of sound that the human brain is known to exploit is the fact that it reflects off surfaces - a sound source would reflect off a wall, the floor, your outer ear, your head and produce secondary wavefronts. These wavefronts arrive at slightly different timing and highly different amplitudes in the ear. Your brain takes in these secondary wavefronts as extra cues in calculating the possible positions of a sound source.
In fact, it was determined the shape of your ears and your head affects spatial hearing. From the Dolby website:
it was found that they varied widely due to differences in the distance between each person's ears, and in the shapes of their ears and head.
You see, the guy in GTA or Postal 2 or CS is there to kill, it is his purpose there. So I go out to kill the others, kick some asses and be happy. It makes perfect sense.
While in this world killing someone else does no good to anyone. So I don't take out a chainsaw and slice you up into two. A better choice here would be to make some money and grab a nice girl.
That's just simple logic even a kindergarten knows - You do what you think is best under the rules of the system given. If someone can't distinguish between the reality in a game and the reality of this world, then he has a MUCH bigger problem than having a bad personality.
Honestly if games like GTA should be banned just becoz it deviates from our reality in a negative sense, wet dreams should be banned too. In other news, the government has passed a bill to place dream detectors in every citizen's bedroom.
I find many lines in your script pretty redundant, and it wouldn't even run. The proper implementation should be:
#!/usr/bin/python import sys finput = open(sys.argv[1], "w") finput.close() print "Thank you for using Microsoft products. Have a nice day with your new document."
Yes, indeed. But, owing to conservation of energy, that will not serve as a source of energy. And last time I heard methods to manufacture hydrocarbons from H2 and C is still under heavy development and won't be around anytime soon.
Should be no, never heard of one. But even if there's one, it won't be useful in making the H2O -> H2 and 1/2 x O2 reaction any more useful than catalytic hydration or steam reforming of hydrocarbons.
Catalysts are used only to provide an alternative pathway of the same reaction, i.e. only the intermediate products and processes of a catalysed reaction is different from an uncatalysed one. It is useful in reducing the reaction requirements. e.g. it reduces the temp and pressure requirements of cracking hydrocarbons, so you can make the reaction happen with cheaper equipments. It can also increase the rate of reaction.
However, since the end products are the same even for a catalysed reaction, the bond energy of the end products are just the same as in an uncatalysed reaction. So even tho you can use less expensive equipments with a catalyst (which is not the case for electrolysis - you can already do that with dirt cheap graphite electrodes), the net energy you transferred to or from the chemical won't change. In the catalytic hydrocarbon cracking example above, while you may use a lower temperature and lower pressure, the reaction also gives out less heat energy compared to the uncatalysed one - the net energy difference between the two reactions are the same. Therefore even if there's such a catalyst, you must still pay pretty much the same amount of energy in converting water into hydrogen.
In order to make hydrogen explode, you have to mix it with oxygen in the air quickly. Since the Hindenberg was just a large bulk of hydrogen gas, it would only burn up (tho quite fiercely, it was not an explsion nevertheless) at the interface between the bulk of hydrogen and air. This is akin to an elementary science school experiment: fill a bottle with some hydrogen and air, and another bottle with all hydrogen. Make a spark at the bottles' opening. The first one explodes, the second one just burns. (don't try this at home)
However, that is not the case with a hydrogen powered tank. Remember that the hydrogen in the tanks are compressed - compressed hydrogen gas is a whole different story to the bulk of hydrogen inside Hindenberg. If a missile penetrated a hydrogen powered tank, the hydrogen gas inside would be depressurize into the air and ignited by the heat the missile generated. The depressurization mixes the hydrogen thoroughly with air and makes the oxidation extremely vigorous. The result would be like igniting a can of pressurized natural gas - definitely an explosion.
Hydrogen fuels in the form mentioned in the article, will never be cut off from fossil fuels until another major source of energy is found. You need an energy source to for inputting the energy into the hydrogen, anyway (e.g. extracting the hydrogen from water)
However, if the hydrogen fuels under discussion is used in the form of a nuclear fusion reactant, then that's another story.
This tehnique (steam reforming of hydrocarbons) has existed for quite a long time, and the reason of using it is about costs. The reaction generally involves passing steam and refinery gases over some catalysts.
Haber process combines H2 and N2 into ammonia, which can then be oxidized into various nitrogen oxides to produce many other useful chemicals (e.g. explosives).
In Haber Process, nitrogen is obtained from the air... that's only natural. What about the hydrogen? Chemistry n00bs tend to guess the H2 is obtained from electrolysis of water. That's not the case though. In reality, the H2 in Haber Process is obtained from hydration of refinery gases (or, with some other catalysed reactions). The reason is it uses much less energy than electrolysis. If you obtain H2 from electrolysis of, say, sea water, you have to put in almost all the energy of breaking the H-O bond yourself. If you start with some lower alkanes however, you only have to input a fraction of that energy. It is because the refinery gases has a certain "potential energy" themselves (which is why you can burn it). In the hydration process, despite the H2 you need, other more stable compounds, e.g. CO, are formed. In the formation of these compounds, energy is released, which can compensate the energy absorbed in breaking the C-H bonds.
Slashdot Mirror
Even your farm products are not independent from nature. You can still starve from drought, rainstorms, pests, diseases, etc.
I agree we shouldn't care too much about nature when it doesn't matter. But it does matter for now. Your argument will be correct when we've got most of our supplies from space (space farms, space mining, etc.), i.e. when we're out of this stinking ecosystem. By that time we may even nuke Earth into pieces and kill everyone you don't care for God's sake. But NOT NOW. You don't want to screw with your current environment when that is the only place you can live in.
You can do that with magnifying lens
VIRUS ALERT
Microsoft Anti-Virus has detected a virus on you computer.
Object name: linux-2.6.3.tar.bz2
Virus name: Linux 2.6.3
Action Taken: File deleted
Comment: The Linux virus wipes out Windows partitions, raises TCO, educates users, hurts Microsoft stock prices, and spreads communism.
Then you'll have to play it for 600 years before Neo comes to see you, Architect.
The source code .tbz is available in eMule now. Just search for the file
.exe format.
"sync-src-1.00.tbz"
If you feel cocky, you can try to intercept a virus payload by listening on port 3127. You don't need to send any initiating message to the zombie connecting to you, just recv() everything is sends you. The payload should be in
That is just the article summary you fp mods
now where is my mod points when I need them...
1. The titanium oxide is just a catalyst as many other d-group metal oxides do (e.g. vanadium (V) oxide).
It combines with the NOx molecules in the start of the reaction (as well as other reactants, e.g. H2O), the NOx molecules then combines with the H2O to form nitric acid. When the reaction completes, the titanium oxide molecule detachs itself from the nitric acid and is ready for the next reaction.
In theory, the oxide shouldn't get consumed in the reaction, it just serves as a reaction site for the reactants.
What is finite in the paint is the calcium carbonate. When it is completely consumed, instead of emitting carbon dioxide and the like, nitric acid will be washed away from the paint layer.
2. The acid will be washed away into the soil and the ocean.
The paint doesn't harm the environment this way tho, since NOx gases in the atmosphere will eventually combine with water in the air to form nitric and nitrous acids anyway. Which will also end up in the soil and in the ocean.
Ironically this process is essential in Earth's nitrogen cycle. The problem is we're having too much of it now.
Agreed, even if the energy supply for nanobots can be nearly infinite as they grow, they still need the materials to manufacture themselves. However amazing nanobots can be, they still have to depend on chemical reactions to get the energy and to replicate themselves. That is, they can't make their own atoms, and once the needed atoms run out in a "grey goo"'s surrounding volume, the goo should stop spreading.
Also, while sunlight is an infinite source of energy, its power is nowhere near chemical reactions per unit area or volume. i.e. if a mad scientist creates a grey goo to convert all H2O in the sea to H2O2 by combining atmospheric oxygen to water molecules with sunlight, and carbon dioxide in the air to replicate itself, and pour it to a Hawaii beach. That goo won't work at all since the reaction would be too slow, and that the reverse reaction would outpace the nanobots; also, the energy and materials the nanobots receive would be too little for them to replicate quickly. So all the Haiwaii government needs to do to stop this "terrorist" attack would be to collect that floating goo with a small boat and dispose it with proper methods (probably just burn it to CO2, it is made of carbon after all).
The easiest way on Earth to maintain a self-sustaining reaction is oxidation - as oxygen is very abundant here and also quite reactive. So if a grey goo were to destroy a large volume of matter while still obtaining energy for itself to replicate, the most sensible means would be to try to oxidize the material into more stable (but useless) forms. A great candy for a carbon nanobot goo would be iron-carbon steel, the nanobots could oxidize the iron into iron oxides to get their energy, and use that to get the convert carbon atoms into nanobots. However, once the block of steel runs out, the grey goo would have problem finding something else to oxidize (you can't get energy from trying to oxidize concrete, for example), and getting carbon atoms out of the air is very expensive since a lot of energy is required to break the carbon from oxygen in CO2. At that point, the grey goo stops working any further.
User: *click*
Clippy: It seems that you've just clicked a HYPERLINK! Hyperlinks can be harmful to your computer, it is recommended that you enter the hyperlink to the URL bar instead of clicking it directly. Would you like me to enter the link for you?
User: *reads* blah blah blah blah blah enter the link for me? wow great!
*click* YES!
That'd be more appropriate for the monthly or weekly salary! Even programmers here in China don't get that much! Some newer guys here can't even afford an SCO Linux license (USD$699) from a month's work! AND I AM NOT KIDDING OR TROLLING, DON'T MOD THIS FUNNY OR TROLL! IT IS REAL!
Wake up folks, for the sake of fact, your programmers' salaries in the US are WAY higher than where your company is outsourcing to. I'm not saying if these companies' decision are right or not. But if you still think these US companies are outsourcing to someone working at USD$80 a day, then either someone is cheating your boss or you're cheating yourself.
Can't agree more
You see, the guy in GTA or Postal 2 or CS is there to kill, it is his purpose there. So I go out to kill the others, kick some asses and be happy. It makes perfect sense.
While in this world killing someone else does no good to anyone. So I don't take out a chainsaw and slice you up into two. A better choice here would be to make some money and grab a nice girl.
That's just simple logic even a kindergarten knows - You do what you think is best under the rules of the system given. If someone can't distinguish between the reality in a game and the reality of this world, then he has a MUCH bigger problem than having a bad personality.
Honestly if games like GTA should be banned just becoz it deviates from our reality in a negative sense, wet dreams should be banned too. In other news, the government has passed a bill to place dream detectors in every citizen's bedroom.
Coz AMD had got a "second hand" x86 license a long long time ago. If my memory serves, they've got it from IBM.
oh really? I think the quote actually mean he's still a sore loser at trying to sell Linux.
Is this guy a new Slashdot editor or what?
I find many lines in your script pretty redundant, and it wouldn't even run. The proper implementation should be:
#!/usr/bin/python
import sys
finput = open(sys.argv[1], "w")
finput.close()
print "Thank you for using Microsoft products. Have a nice day with your new document."
Yes, indeed. But, owing to conservation of energy, that will not serve as a source of energy. And last time I heard methods to manufacture hydrocarbons from H2 and C is still under heavy development and won't be around anytime soon.
Should be no, never heard of one. But even if there's one, it won't be useful in making the H2O -> H2 and 1/2 x O2 reaction any more useful than catalytic hydration or steam reforming of hydrocarbons.
Catalysts are used only to provide an alternative pathway of the same reaction, i.e. only the intermediate products and processes of a catalysed reaction is different from an uncatalysed one. It is useful in reducing the reaction requirements. e.g. it reduces the temp and pressure requirements of cracking hydrocarbons, so you can make the reaction happen with cheaper equipments. It can also increase the rate of reaction.
However, since the end products are the same even for a catalysed reaction, the bond energy of the end products are just the same as in an uncatalysed reaction. So even tho you can use less expensive equipments with a catalyst (which is not the case for electrolysis - you can already do that with dirt cheap graphite electrodes), the net energy you transferred to or from the chemical won't change. In the catalytic hydrocarbon cracking example above, while you may use a lower temperature and lower pressure, the reaction also gives out less heat energy compared to the uncatalysed one - the net energy difference between the two reactions are the same. Therefore even if there's such a catalyst, you must still pay pretty much the same amount of energy in converting water into hydrogen.
Nah, it was a fragment of the condom
In order to make hydrogen explode, you have to mix it with oxygen in the air quickly. Since the Hindenberg was just a large bulk of hydrogen gas, it would only burn up (tho quite fiercely, it was not an explsion nevertheless) at the interface between the bulk of hydrogen and air. This is akin to an elementary science school experiment: fill a bottle with some hydrogen and air, and another bottle with all hydrogen. Make a spark at the bottles' opening. The first one explodes, the second one just burns. (don't try this at home)
However, that is not the case with a hydrogen powered tank. Remember that the hydrogen in the tanks are compressed - compressed hydrogen gas is a whole different story to the bulk of hydrogen inside Hindenberg. If a missile penetrated a hydrogen powered tank, the hydrogen gas inside would be depressurize into the air and ignited by the heat the missile generated. The depressurization mixes the hydrogen thoroughly with air and makes the oxidation extremely vigorous. The result would be like igniting a can of pressurized natural gas - definitely an explosion.
Hydrogen fuels in the form mentioned in the article, will never be cut off from fossil fuels until another major source of energy is found. You need an energy source to for inputting the energy into the hydrogen, anyway (e.g. extracting the hydrogen from water)
However, if the hydrogen fuels under discussion is used in the form of a nuclear fusion reactant, then that's another story.
This tehnique (steam reforming of hydrocarbons) has existed for quite a long time, and the reason of using it is about costs. The reaction generally involves passing steam and refinery gases over some catalysts.
n g+ hydrocarbon&hl=zh-TW&lr=&ie=UTF-8&oe=UTF-8&start=0 &sa=N
http://www.google.com.hk/search?q=steam+reformi
Ever heard of the Haber process?
Haber process combines H2 and N2 into ammonia, which can then be oxidized into various nitrogen oxides to produce many other useful chemicals (e.g. explosives).
In Haber Process, nitrogen is obtained from the air... that's only natural. What about the hydrogen? Chemistry n00bs tend to guess the H2 is obtained from electrolysis of water. That's not the case though. In reality, the H2 in Haber Process is obtained from hydration of refinery gases (or, with some other catalysed reactions). The reason is it uses much less energy than electrolysis. If you obtain H2 from electrolysis of, say, sea water, you have to put in almost all the energy of breaking the H-O bond yourself. If you start with some lower alkanes however, you only have to input a fraction of that energy. It is because the refinery gases has a certain "potential energy" themselves (which is why you can burn it). In the hydration process, despite the H2 you need, other more stable compounds, e.g. CO, are formed. In the formation of these compounds, energy is released, which can compensate the energy absorbed in breaking the C-H bonds.
It is because the author counted from zero in getting the size of array, and counted from one in reporting the indices of the said array.
Sure he needs to learn his Programming 101 class better.
> The sun only radiates on a fairly small set of frequencies
Haven't some ancient scientists demonstrated the fact that the Sun emits a continuous spectrum with an equipment called a... eh... PRISM?