While google may be able to go ahead and re-index websites if it loses that data, "regenerating" gmail and google docs stuff isn't quite so easy, and even small amounts of data loss would kill those applications (especially among paid users).
The article states that the JWST passed the Mission Critical Design Review, which is a specific event, not just a "critical review". This review means that the entire spacecraft has been designed and analyzed. However, there are likely to be further delays as hardware is built and engineers realize it doesn't quite meet the expectations that the analysis set out for it.
Most of these files were developed to break mail scanners, so it's logical that they get marked as malware. E-mail may not be the best way to move files that are designed to be harmful to mail servers.
1) Mach 3.3 speed record by SR-71 -> official speed record. NASA's X-15 set an unofficial one of Mach 6.7.
2) So.. 3.3 is NOWHERE NEAR the limit for jet engines.
Neither the SR-71 or the X-15 have conventional jet engines- the X-15 had a rocket and the SR-71 has ramjets
Units, units my friend. While watts is a unit of power, it is not a unit of energy- you probably meant to think kilowatt-hours.
Your equation for energy required to lift a car was wrong- regardless of the units you put on the end, Work = F*distance, not F*time (which is change in momentum)
Your calculations *should* have been:
Work required to lift a 1000kg car 50 meters: W = mg(deltaH) = 1000 * 9.8 * 50 = 490kJ Work required to lift your car every day for a year: 178.85MJ
In more familiar units, since 1 kWh = 3 600 000 J, Energy required to lift the car: 0.1361 kWh Energy required to lift your car per year: 49.68 kWh Energy required for 100 units: 4.97MHh
He says they made fewer than 60 mistakes out of 100,000 notices? I'd say that's pretty good... it's a 0.06% error. Any system is going to have mistakes, but it seems like they've worked out bugs and they're doing a good job.
While adding a thin mesh around the building might not be hard to do at construction time, it seems the author has ignored windows. Most larger commercial buildings have large windows, which would need to be covered in a mesh in order to make the whole building a farady cage. This would obviously seriously impact the building's appearance, and I doubt would ever become practical. It's not that difficult to set up a WPA2 or VPN setup if you're concerned about keeping wifi secure.
One change that would help the feedback system (at least I think so) is that you can't see the feedback someone left for you until you leave feedback for them. That way, you can't have tit-for-tat feedback (if you leave a negative, I'll leave a negative).
Obviously there will be some kind of attack, no matter what the system. I think the question is mostly dealing with malware and trojans, stuff that doesn't try to break it, but relies on user stupidity.
eBay isn't the one taking payment. They are saying that to list an auction, you cannot offer to accept Google Checkout. They aren't letting *sellers* take google checkout, not just not taking it themselves.
I suggest you read the wikipedia article a little more carefully, and with an understanding of basic economics. A natural monopoly is an economic concept- in some instances, it is simply not profitable for more than one company to exist. An example is water utilities- it would cost a fortune for a second company to build water pipes to your house, and if you do some analysis, it wouldn't work- they would lose money and shut down. So in some cases, a natural monopoly does exist. Beyond there, you get into issues of regulation and determining prices, which the Wikipedia article also covers. It's not a political viewpoint, it's well-established economic theory.
I hope the MPAA doesn't make Apple put DRM on the movies. Not long after any DVD comes out, it's already on a torrent site being downloaded away. The movie being available from iTunes isn't going to change that. And most people who dowload the movie probably would like to watch it on their TV, not computer, so they'll need to be able to easily burn a dvd. And $10 isn't that much less than a DVD anyways.
It's also possible the NSA knew of some weakness, and then subtly changed the algorithm to fix it. The NSA's internal research is possibly many, many years ahead of the rest of the world's research. IIRC, when DES was being developed, the NSA made some changed to it, but didn't say why. Years later, when differential cryptography was invented/discovered, the NSA's changes made perfect sense because it made the algorithm resistant to many of those types of attacks.
There's a lot out there. You might be able to get a sample of a bit of everything, but ultimately, you should probably pick a field and stick to it. If you have wide-ranging interests, pick a place to start, and let your journey wander from there. Pick a project, learn what you need to do it, and then move on to the next. But there's simply too much out there to "learn it all"
As other people have said before, a bugle is exactly the same as a trumpet that you can't push the valves down on. A trumpet player's bugle skills are just as fine-honed as their trumpet skills are. Every trumpet player uses his lips to change notes too- otherwise you could only play 7 notes on the trumpet. I've played taps many times, and never used a bugle- I always use my standard Bb trumpet to play taps- and it doesn't sound any different.
If you're an unemployed bugle player... why not find employment playing at funerals?
Re:call the local junior high marching band
on
Gadgets for the Lazy
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· Score: 4, Insightful
As a trumpet player, who has played taps many times, I can tell you taps is *not* the easiest thing to play. While you may be able to get a freshman to hack it out, it requires quite a bit of work to actually sound good. You're also playing very exposed- if you make a mistake, you can't cover it up. And lastly, you're usually playing cold- you haven't played a note for the past half-hour or more. My trumpet teacher thinks taps is the *hardest* thing to play on trumpet, not the easiest.
That's one of the reaons you don't just edit sudo- you use something like 'visudo' to edit it, which does syntax checks after you're finished. If you made a mistake, you have a chance to fix it before it locks you out.
Slashdot Mirror
While google may be able to go ahead and re-index websites if it loses that data, "regenerating" gmail and google docs stuff isn't quite so easy, and even small amounts of data loss would kill those applications (especially among paid users).
The article states that the JWST passed the Mission Critical Design Review, which is a specific event, not just a "critical review". This review means that the entire spacecraft has been designed and analyzed. However, there are likely to be further delays as hardware is built and engineers realize it doesn't quite meet the expectations that the analysis set out for it.
http://www.newegg.com/HelpInfo/ReturnPolicy.aspx#29 Newegg will refund open box items, but won't replace them (presumably because they may not have enough stock to replace it)
Most of these files were developed to break mail scanners, so it's logical that they get marked as malware. E-mail may not be the best way to move files that are designed to be harmful to mail servers.
Read the rules- you'll be fine.
1) Mach 3.3 speed record by SR-71 -> official speed record. NASA's X-15 set an unofficial one of Mach 6.7.
2) So.. 3.3 is NOWHERE NEAR the limit for jet engines.
Neither the SR-71 or the X-15 have conventional jet engines- the X-15 had a rocket and the SR-71 has ramjets
Units, units my friend. While watts is a unit of power, it is not a unit of energy- you probably meant to think kilowatt-hours.
Your equation for energy required to lift a car was wrong- regardless of the units you put on the end, Work = F*distance, not F*time (which is change in momentum)
Your calculations *should* have been:
Work required to lift a 1000kg car 50 meters: W = mg(deltaH) = 1000 * 9.8 * 50 = 490kJ
Work required to lift your car every day for a year: 178.85MJ
In more familiar units, since 1 kWh = 3 600 000 J,
Energy required to lift the car: 0.1361 kWh
Energy required to lift your car per year: 49.68 kWh
Energy required for 100 units: 4.97MHh
I wouldn't call those too exclusive.... look at the "3D Video of Endeavour Tile Damage" video on this page: http://www.nasa.gov/mission_pages/shuttle/main/ind ex.html
He says they made fewer than 60 mistakes out of 100,000 notices? I'd say that's pretty good... it's a 0.06% error. Any system is going to have mistakes, but it seems like they've worked out bugs and they're doing a good job.
Voting like that is pretty easy, but it would take forever to count the tens of thousands (at least) of ballots.
The real question is, will this evidence hold up in court? IANAL, but it would seem that an easy defense would be to go after this information.
While adding a thin mesh around the building might not be hard to do at construction time, it seems the author has ignored windows. Most larger commercial buildings have large windows, which would need to be covered in a mesh in order to make the whole building a farady cage. This would obviously seriously impact the building's appearance, and I doubt would ever become practical. It's not that difficult to set up a WPA2 or VPN setup if you're concerned about keeping wifi secure.
One change that would help the feedback system (at least I think so) is that you can't see the feedback someone left for you until you leave feedback for them. That way, you can't have tit-for-tat feedback (if you leave a negative, I'll leave a negative).
Obviously there will be some kind of attack, no matter what the system. I think the question is mostly dealing with malware and trojans, stuff that doesn't try to break it, but relies on user stupidity.
Gun sale laws vary greatly from state to state- it's likely that the parent is in a different state with stricter gun control laws.
eBay isn't the one taking payment. They are saying that to list an auction, you cannot offer to accept Google Checkout. They aren't letting *sellers* take google checkout, not just not taking it themselves.
I suggest you read the wikipedia article a little more carefully, and with an understanding of basic economics. A natural monopoly is an economic concept- in some instances, it is simply not profitable for more than one company to exist. An example is water utilities- it would cost a fortune for a second company to build water pipes to your house, and if you do some analysis, it wouldn't work- they would lose money and shut down. So in some cases, a natural monopoly does exist. Beyond there, you get into issues of regulation and determining prices, which the Wikipedia article also covers. It's not a political viewpoint, it's well-established economic theory.
I hope the MPAA doesn't make Apple put DRM on the movies. Not long after any DVD comes out, it's already on a torrent site being downloaded away. The movie being available from iTunes isn't going to change that. And most people who dowload the movie probably would like to watch it on their TV, not computer, so they'll need to be able to easily burn a dvd. And $10 isn't that much less than a DVD anyways.
It's also possible the NSA knew of some weakness, and then subtly changed the algorithm to fix it. The NSA's internal research is possibly many, many years ahead of the rest of the world's research. IIRC, when DES was being developed, the NSA made some changed to it, but didn't say why. Years later, when differential cryptography was invented/discovered, the NSA's changes made perfect sense because it made the algorithm resistant to many of those types of attacks.
There's a lot out there. You might be able to get a sample of a bit of everything, but ultimately, you should probably pick a field and stick to it. If you have wide-ranging interests, pick a place to start, and let your journey wander from there. Pick a project, learn what you need to do it, and then move on to the next. But there's simply too much out there to "learn it all"
Free speech zones have existed far longer than the Bush administration. I remember seeing some in a national park, well before the year 2000.
As other people have said before, a bugle is exactly the same as a trumpet that you can't push the valves down on. A trumpet player's bugle skills are just as fine-honed as their trumpet skills are. Every trumpet player uses his lips to change notes too- otherwise you could only play 7 notes on the trumpet. I've played taps many times, and never used a bugle- I always use my standard Bb trumpet to play taps- and it doesn't sound any different.
If you're an unemployed bugle player... why not find employment playing at funerals?
As a trumpet player, who has played taps many times, I can tell you taps is *not* the easiest thing to play. While you may be able to get a freshman to hack it out, it requires quite a bit of work to actually sound good. You're also playing very exposed- if you make a mistake, you can't cover it up. And lastly, you're usually playing cold- you haven't played a note for the past half-hour or more. My trumpet teacher thinks taps is the *hardest* thing to play on trumpet, not the easiest.
That's one of the reaons you don't just edit sudo- you use something like 'visudo' to edit it, which does syntax checks after you're finished. If you made a mistake, you have a chance to fix it before it locks you out.