You know what? I'll bet they all eat bread too. Obviously, it is the bread that is causing them to be evil 'hackers.' We need to stop letting people get corrupted by eating bread.
While that would be cool, I don't think it will happen. Military aircraft do not have to undergo FAA certification. I doubt the FAA have blueprints of most military craft. I think the same thing probably applies to NASA craft. Was a Saturn V ever certified by the FAA? Doubtful.
All the rest of the vital infastructure required to conduct business is maintained by some form of government or another, why not a PC operating system? In the past century, a business needed electricity, plumbing, and roads to survive. In the past couple of decades, computers have become just as important as the preceeding to most businesses. I think the government should be using my tax dollars to help benifit all commerece, not to stuff Microsoft's coffers. I realize the government is full of red tape, and terribly inefficient at times; but surely they could hire enough people to maintain a Linux distrobution that contains all the basic software needed for most business or home uses. If done correctly it could do wonders for allowing small businesses to compete with the Wal-Marts of the world. Of course that means it will probably never happen, but it is a nice thought.
As a pilot, I'd like to offer a few corrections. First of all, most piston aircraft engines need overhauls every 2,000 hours, not 20,000. While everone hopes fuel cells would last much longer than this, it is still difficult to say because there is very little real world data. Second, you are correct that propellers are heavier than they need to be, but it is my understanding that the main reason propellers are beefy is because they are also acting as a flywheel for the piston engine. Finally, although 100LL is still a very popular fuel; more and more people are using 90 octane mogas because it is cheaper. Most modern aircraft piston engines are capable of burning this fuel with little or no modifications.
As long as people choose jobs based strictly on salary, this will continue. We constantly hear people bitch when Boeing lays off 5,000 employees, but I've watched lots of machinist and engineers give up jobs at small companies so they could make an extra 5 to 10 thousand a year at Boeing. It is simple, don't work for companies that do this. Or if you do, get a contract that gurantees you a year's salary if they fire you so you can look for another job. For people with a family to support, I would think job security would be one of the most important aspects to consider when taking a job, but most people don't even seem to consider it compared to salary and benefits. Also, don't forget, companies are not the only ones that treat jobs as disposable. Loyalty is a two way street.
At some point a caveman discovered he could capture fire and use it to warm himself, cook food, scare away predators, etc. There was probably also another caveman preaching about how fire was dangerous, should never be used by people, and that anyone who used fire should be banished from the tribe. If you want to benefit from technology that other people invent, then you're going to have to deal with the fact that some scientists will invent things you don't like. Tough shit. If it weren't for scientists and engineers inventing things people don't like, you'd be running around naked, sleeping on the ground foraging for roots and dead animals.
It would seem to me that charging customers based on usage would give them quite an incentive to pay attention to security. Receiving a bill for $10,000 worth of internet traffic is sure to get just about anyone's attention. Right or wrong, our society is driven by money. If you want people to behave responsibly, there has to be a monetary incentive. This might also help people realize that purchasing bug ridden software is a poor investment.
Exactly. The legislature thinks they can solve world problems by changing US laws. Sorry, but the majority of the world isn't subject (directly at least), to US laws. Giving the FBI permission to read every US citizens e-mail is not going to do a damn thing to prevent terrorists living in foreign countries from communicating. That's like thinking that since automatic assault rifles are illegal in the US, that no one in the world owns one. Wake up. It is our foreign policies that need adjusting, not our domestic ones.
Re:What can be done about terrorism?
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Very little. As long as there are too many people competing for too few resourses, there will be killings. Murder, terrorism, war; they are basically the same thing on different scales. When you throw organized religion into the mix, it only gets worse. Now you can convince people to kill each other because their imaginary friends tell them it is rightous. Granted, if the US government had sensible foreign policies it would help a hell of a lot, but the basic problem remains. There are simply too many of us.
Maybe we need better examples and/or analogies to break the ignorance. For instance, if I gave one of the judges a copy of a Russian newspaper and told him to copy it, he'd have no problem. Even though the newspaper was "encoded" in Russian, he'd still be able to copy it by simply duplicating all the funny little symbols. However, if I asked him to read that newspaper; which presumably is the reason it was published, he would need to be able to translate the Russian to English or another language he knows. DeCSS is simply a translation tool. It translates movies from the format on the DVD to the format needed by a video card. Nothing more, nothing less.
Although the author seems to be confused about the value of Mach 1, some of the responses aren't much more informed. Mach 1 is the speed of sound, which varies greatly depending on the density of the air. At sea level it is usually around 730 mph or so. So it is difficult to say what Mach number the blackbird achieved when it was flying 2,100 mph. You'd have to know the density altitude for the flight. Also, a scramjet engine is not quite the same as a ramjet. The idea is the same, but since air is highly compressible, it behaves differently at different speeds. There are basically four areas of flow: subsonic, transonic, supersonic, and hypersonic. What holds true for supersonic flow is not necessarily true for hypersonic flow. The divisions between these areas of flow depends on the Mach number of the fluid, which is why speeds are rated in Mach numbers and not mph or km/s. So, a different design is required for hypersonic flow compared to supersonic flow. Hope this clears some things up.
How much you study as a high school student while living at home, has very little with how hard you will work in college when on your own. What colleges really need is a responsibility test. I watched numerous brilliant students fail to get degrees because they had never had to work at anything. Colleges should look for students who have managed to keep a decent GPA while working 20 hours a week throughout high school. That is what will be tested when they go to college.
Glass does not act like a liquid. It does not have a uniform crystal structure like most other solids, but it does not deform. Old windows are thicker on one side because they were made by pouring molten glass onto a slowly rotating disk. The glass on the outside of the disk was a little thicker due to the acceleration. The people who installed the glass knew this, and usually put the fat side down, but ocassionally you will find one upside down.
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You know what? I'll bet they all eat bread too. Obviously, it is the bread that is causing them to be evil 'hackers.' We need to stop letting people get corrupted by eating bread.
While that would be cool, I don't think it will happen. Military aircraft do not have to undergo FAA certification. I doubt the FAA have blueprints of most military craft. I think the same thing probably applies to NASA craft. Was a Saturn V ever certified by the FAA? Doubtful.
All the rest of the vital infastructure required to conduct business is maintained by some form of government or another, why not a PC operating system? In the past century, a business needed electricity, plumbing, and roads to survive. In the past couple of decades, computers have become just as important as the preceeding to most businesses. I think the government should be using my tax dollars to help benifit all commerece, not to stuff Microsoft's coffers. I realize the government is full of red tape, and terribly inefficient at times; but surely they could hire enough people to maintain a Linux distrobution that contains all the basic software needed for most business or home uses. If done correctly it could do wonders for allowing small businesses to compete with the Wal-Marts of the world. Of course that means it will probably never happen, but it is a nice thought.
As a pilot, I'd like to offer a few corrections. First of all, most piston aircraft engines need overhauls every 2,000 hours, not 20,000. While everone hopes fuel cells would last much longer than this, it is still difficult to say because there is very little real world data. Second, you are correct that propellers are heavier than they need to be, but it is my understanding that the main reason propellers are beefy is because they are also acting as a flywheel for the piston engine. Finally, although 100LL is still a very popular fuel; more and more people are using 90 octane mogas because it is cheaper. Most modern aircraft piston engines are capable of burning this fuel with little or no modifications.
As long as people choose jobs based strictly on salary, this will continue. We constantly hear people bitch when Boeing lays off 5,000 employees, but I've watched lots of machinist and engineers give up jobs at small companies so they could make an extra 5 to 10 thousand a year at Boeing. It is simple, don't work for companies that do this. Or if you do, get a contract that gurantees you a year's salary if they fire you so you can look for another job. For people with a family to support, I would think job security would be one of the most important aspects to consider when taking a job, but most people don't even seem to consider it compared to salary and benefits. Also, don't forget, companies are not the only ones that treat jobs as disposable. Loyalty is a two way street.
At some point a caveman discovered he could capture fire and use it to warm himself, cook food, scare away predators, etc. There was probably also another caveman preaching about how fire was dangerous, should never be used by people, and that anyone who used fire should be banished from the tribe. If you want to benefit from technology that other people invent, then you're going to have to deal with the fact that some scientists will invent things you don't like. Tough shit. If it weren't for scientists and engineers inventing things people don't like, you'd be running around naked, sleeping on the ground foraging for roots and dead animals.
It would seem to me that charging customers based on usage would give them quite an incentive to pay attention to security. Receiving a bill for $10,000 worth of internet traffic is sure to get just about anyone's attention. Right or wrong, our society is driven by money. If you want people to behave responsibly, there has to be a monetary incentive. This might also help people realize that purchasing bug ridden software is a poor investment.
Exactly. The legislature thinks they can solve world problems by changing US laws. Sorry, but the majority of the world isn't subject (directly at least), to US laws. Giving the FBI permission to read every US citizens e-mail is not going to do a damn thing to prevent terrorists living in foreign countries from communicating. That's like thinking that since automatic assault rifles are illegal in the US, that no one in the world owns one. Wake up. It is our foreign policies that need adjusting, not our domestic ones.
Very little. As long as there are too many people competing for too few resourses, there will be killings. Murder, terrorism, war; they are basically the same thing on different scales. When you throw organized religion into the mix, it only gets worse. Now you can convince people to kill each other because their imaginary friends tell them it is rightous. Granted, if the US government had sensible foreign policies it would help a hell of a lot, but the basic problem remains. There are simply too many of us.
Maybe we need better examples and/or analogies to break the ignorance. For instance, if I gave one of the judges a copy of a Russian newspaper and told him to copy it, he'd have no problem. Even though the newspaper was "encoded" in Russian, he'd still be able to copy it by simply duplicating all the funny little symbols. However, if I asked him to read that newspaper; which presumably is the reason it was published, he would need to be able to translate the Russian to English or another language he knows. DeCSS is simply a translation tool. It translates movies from the format on the DVD to the format needed by a video card. Nothing more, nothing less.
Although the author seems to be confused about the value of Mach 1, some of the responses aren't much more informed. Mach 1 is the speed of sound, which varies greatly depending on the density of the air. At sea level it is usually around 730 mph or so. So it is difficult to say what Mach number the blackbird achieved when it was flying 2,100 mph. You'd have to know the density altitude for the flight. Also, a scramjet engine is not quite the same as a ramjet. The idea is the same, but since air is highly compressible, it behaves differently at different speeds. There are basically four areas of flow: subsonic, transonic, supersonic, and hypersonic. What holds true for supersonic flow is not necessarily true for hypersonic flow. The divisions between these areas of flow depends on the Mach number of the fluid, which is why speeds are rated in Mach numbers and not mph or km/s. So, a different design is required for hypersonic flow compared to supersonic flow. Hope this clears some things up.
How much you study as a high school student while living at home, has very little with how hard you will work in college when on your own. What colleges really need is a responsibility test. I watched numerous brilliant students fail to get degrees because they had never had to work at anything. Colleges should look for students who have managed to keep a decent GPA while working 20 hours a week throughout high school. That is what will be tested when they go to college.
I owned a Tokay Gecko at one time, and I assure you that a hungry gecko can climb anything that is stationary.
Glass does not act like a liquid. It does not have a uniform crystal structure like most other solids, but it does not deform. Old windows are thicker on one side because they were made by pouring molten glass onto a slowly rotating disk. The glass on the outside of the disk was a little thicker due to the acceleration. The people who installed the glass knew this, and usually put the fat side down, but ocassionally you will find one upside down.