[quote]When on the road there is only one thing that is important and that is safety.[/quote]
Nope. If that were the case, there would always be a strictly enforced ~30 MPH speed limit. Or better yet, no one would ever get in a car.
Your numbers of warrants approved assume that any time a member of law enforcement wants ISP records or some such thing, they ask for a warrant. In reality, they aren't going to do so if they have absolutely no evidence other than the guys Arab-sounding name or something. If no warrant is required, then why not just listen to everyone? Nothing is stopping them.
I don't understand your criticism. I guess you're referring to Bell test experiments. How is "breaking" the entanglement a problem? If you want to measure anything, the entanglement must be broken.
Yes, I made that analogy intentionally. Newtonian gravity is, of course, slightly wrong, but it's good enough most of the time. Whatever correction to QM we may have in the future, I think it is unlikely it will alter it in such a way as to make quantum cryptography breakable.
Quantum crypto can be used for the entire session, but the overhead is enormous. Yes. It is still unbreakable though.
Also, keep in mind that quantum crypto does not prevent people from intercepting the messages, it just makes sure that when the messages are intercepted, it is detectable. Also true. However that just means that someone could cut the cable, or in this case, shoot down the satellite.
I refer you to the no cloning theorem. And you are correct, that in practice there is a probability that there can be more than one photon per bit sent. However, there are ways of correcting for this such as privacy amplification. The guys who are doing this stuff are smart. They know what they're doing. Physicists don't throw around terms like "provably secure" lightly.
Breaking quantum cryptography is not hard, it is impossible. The security is guaranteed by the laws of physics. Unless quantum mechanics is flat out wrong, it can never be broken, period. And saying quantum mechanics could be wrong is like saying gravity could be wrong.
About quantum computing, it's actually closer to providing new computational powers than you might think. In terms of a powerful, programmable computer that can factor large numbers, we are a long way off. But in terms of being able to simulate certain quantum systems that current supercomputers cannot, we are fairly close.
[...]and also in part because they are not subject to the US constitution (gasp, shock). Here's an idea: perhaps the Japanese are able to determine which laws they want? Or perhaps the Japanese politicians are able to determine which laws they want regardless of basic rights the people want, since said rights are NOT outlined in their Constitution.
Yeah I totally understand where you're coming from. I'm a "young scientist" (been in a PhD physics program for a couple years), and I'm not sure I could stomach a career in standard academia, where I'm begging the government for money every year.
You're assuming a method of "enforcing" that the OP didn't necessarily mean. Searching all of your upstream for racial slurs is different from deactivating your account because a forum owner alerted your ISP that you have been posting hate speech.
It is not uncommon for hate speech or other legally protected speech or activities to (legally) be against a TOS. Just because you are legally allowed to say something, doesn't mean that someone else must legally let you use their service to say it. That is, they can't stop you from posting something on a forum, but they can stop you from using their service to do so.
Association does not imply causation. It seems very likely to me that depression causes abnormal sleep patterns, disinclination to exercise, and could very easily cause lack of effort in choosing healthy food to eat.
Sony- if they wanted to, could destroy your house, your life, and get away with it.
Bill Gates- if he wanted to, could do the same. Umm...no. That's why we have laws. Government, on the other hand, can, will and does destroy people's lives all the time.
Slashdot Mirror
Careful, all of that smug you're emitting can be quite dangerous. Especially around election time.
The BBC isn't a business, so you can't really say it's in the business of anything.
The average person in the US gives more personal money towards disaster relief than anywhere else. We are the most compassionate people on the planet.
[quote]When on the road there is only one thing that is important and that is safety.[/quote] Nope. If that were the case, there would always be a strictly enforced ~30 MPH speed limit. Or better yet, no one would ever get in a car.
Your numbers of warrants approved assume that any time a member of law enforcement wants ISP records or some such thing, they ask for a warrant. In reality, they aren't going to do so if they have absolutely no evidence other than the guys Arab-sounding name or something. If no warrant is required, then why not just listen to everyone? Nothing is stopping them.
Actually the Second Amendment has managed to convince a majority that having a gun is a right.
The polarization qubit can be changed quite easily without destroying the entanglement. It is not so simple to do so with wavelength.
No. That was on hyperentanglement, not dense coding. This is on using hyperentanglement to implement dense coding.
I don't understand your criticism. I guess you're referring to Bell test experiments. How is "breaking" the entanglement a problem? If you want to measure anything, the entanglement must be broken.
Yes, I made that analogy intentionally. Newtonian gravity is, of course, slightly wrong, but it's good enough most of the time. Whatever correction to QM we may have in the future, I think it is unlikely it will alter it in such a way as to make quantum cryptography breakable.
I refer you to the no cloning theorem. And you are correct, that in practice there is a probability that there can be more than one photon per bit sent. However, there are ways of correcting for this such as privacy amplification. The guys who are doing this stuff are smart. They know what they're doing. Physicists don't throw around terms like "provably secure" lightly.
Breaking quantum cryptography is not hard, it is impossible. The security is guaranteed by the laws of physics. Unless quantum mechanics is flat out wrong, it can never be broken, period. And saying quantum mechanics could be wrong is like saying gravity could be wrong.
About quantum computing, it's actually closer to providing new computational powers than you might think. In terms of a powerful, programmable computer that can factor large numbers, we are a long way off. But in terms of being able to simulate certain quantum systems that current supercomputers cannot, we are fairly close.
The citizens maybe. What does a dictator care if is people are starving?
Yeah I totally understand where you're coming from. I'm a "young scientist" (been in a PhD physics program for a couple years), and I'm not sure I could stomach a career in standard academia, where I'm begging the government for money every year.
You get that vibe from Cheney? You do realize he's the first incumbent President/Vice-President to not seek the Presidency since 1968?
You're assuming a method of "enforcing" that the OP didn't necessarily mean. Searching all of your upstream for racial slurs is different from deactivating your account because a forum owner alerted your ISP that you have been posting hate speech.
It is not uncommon for hate speech or other legally protected speech or activities to (legally) be against a TOS. Just because you are legally allowed to say something, doesn't mean that someone else must legally let you use their service to say it. That is, they can't stop you from posting something on a forum, but they can stop you from using their service to do so.
Association does not imply causation. It seems very likely to me that depression causes abnormal sleep patterns, disinclination to exercise, and could very easily cause lack of effort in choosing healthy food to eat.
Bill Gates- if he wanted to, could do the same. Umm...no. That's why we have laws. Government, on the other hand, can, will and does destroy people's lives all the time.
How about I just tell the government to piss off, and let me keep the money I earn.
What a great way to get +5s. Post a malware link anonymously, then post again telling everyone about it.
:)
Not saying you did this, just pointing out how cynical I am
Well pretty much anything that's big enough is a star once it's formed. It just so happens that any known object is formed mostly of hydrogen.