Why do mods feed trolls...
DC is majorially african-american. You should have read before posting.
And by saying "Are you trying to make some sort of racist point?" you should expect a backlash of people complaining. I'm suprised you haven't gotten more. Cmon mods. You mod down anyone who prefers Microsoft to linux... and you mod up sh*t like this?
-everphilski-
Their punishment is not limited to "doing time." Their punishment includes giving up certain rights. It's the law of the land. They aren't being decieved - these are laws just like any other. There is no moral code saying "the punishment for all crimes shall be doing time, and then you are free." By breaking the rules they are giving up their rights.
As long as you meet the federal emission requirements... why not?
If you don't meet federal requirements... you can't.
It's actually quite clear...
-everphilski-
CSS for Dummies was published in 2001, according to Amazon.com. That's 4 years ago. Back then IE was king and held a 95%+ market share on Intel boxes. (IE still is king and holds what, 85-90% market share? that's still not bad... not *wise* to design only for IE but in a pinch its not bad) Designing for 95% of your target market isn't bad.
Microsoft said it plans to continue to support Sybari products under existing pricing and licensing terms and support existing users on non-Windows platforms.
Sounds fair enough. But you probably didn't RTFA. There are a lot of companies that are a lot more brutal when they acquire a company (Read: cutting off support from existing customer base, etc.)
They are a Windows company (excluding office for the mac, of course). They bought this company to augment their windows offerings. Keep the parts of the company that help you, let go the parts that don't. Just like any other business aquisition.
Basic cable is free where I live. If it wasnt, $12.99 a month for 72 channels... $0.19 a month per channel hardly seems worth fretting over. Except HGTV. I want a refund.
Microsoft has the ability to look at BitTorrent's code and compare, wheras Bram doesn't have that luxury (Avalanche has yet to be released). Anything Bram says till then is speculation, or, from the tone I got from his BLOG, him having a hissyfit.
Just because he or some of his buddies couldn't get something to work doesn't mean a different team of programmers can't. I think he's scared of being 1-upped by Microsoft. I think most of the open source community is.
I had Slackware (7.1 i think?) working on my old Thinkpad 600. Had everything working except the modem (it was a win modem.. but didn't need it, network connection at home).
Make sure to check out www.linux-on-laptops.com. Tons of articles for virtually every make and model of notebook.
Did you read the whitepaper? They didn't add a little... there were some serious performance gains. But you wouldn't care... after all, this is slashdot, and bashing microsoft makes you cool!
The other thing about AOL's dialup service is that they buy modems from local ISP's in areas where they don't operate central hubs. I used to work for one such ISP that contracted to AOL. We were very proactive about protecting customers, etc.
So a lot of the AOL crowd having good numbers may very well be local ISP's that are taking good care of their own customers, and just happen to contract out to AOL on the side
Which means you can put 5-10,0000 kg in LEO, depending upon how good your rocket guys are. Which is decent. But chances are you are going to have to structurally reinforce that 747-400F to carry the rocket, which will reduce the weight, etc... its a system of trades. But even still no reason it couldn't be used as a launch platform for an ISS ferry vehicle.
The downside is, now you are launching from a moving platform. And the savings, while there are some, arent **that** great... IE, you aren't going to be able to pull off a single stage rocket unless you have some amazing rocket guys working for you and you are putting a very minuscule package in orbit. 2 stages from the earth's surface is easy enough, if you are adding the complexity of an air launch you would want to get some benefit of complexity reduction out of it (And staging is a good source of failure...)
#1 -> There are several spacefaring nations with human capacity. US. Russia. China. Any one could go up and defeat, physically, the defense mechanism of such a device. And russia/china would be at an advantage. They launch cheaper than the US does. Not to mention, what is the interface to a satellite? Oh yea... radio connections, via computers. Why not just hack it from the ground? Standard radio communications, a hundred times easier than a missile silo, guarded by troops on its own private network...
#2 -> You might be suprised how little kinetic energy an object has after re-entry. If it is built to withstand the heat, it is doing so because it is dissipating the energy by some mechanism. It's not magic. Energy has to go somewhere. Your 10 kilo ceramic cone is either ablating (losing mass) or it built blunt to let the atmosphere slow it down and take up some of the heat by way of friction. Kinetic energy is a function of mass and velocity SQUARED. Slowing down to half the speed means a quarter of your kinetic energy. The thickness of the air near the surface of the earth won't let it go faster than a few mach numbers, if you crunch the numbers you will find out it will have less than 1/10 the kinetic energy it had on orbit. A half-ton missile (small for a missile) going mach 1 (slow for a missile) has double kinetic energy than a 10 kilo object going mach 5. Which is optomistic.
I happen to be an aerospace engineer, currently contracting in the defense sector.
Update: Many people seem disappointed that it's a swap hack. Personally I don't have any problem with it as it works great. We at PSP Hacks give our thanks to the PSP-Dev team for discovering and providing this exploit. For those who are having difficulty getting it to work, follow these simple steps:
1. Download any homebrew app/game
2. Load up the MSwap Tool
3. Select the EBOOT.PBP you wish to use
4. Select an Output directory
5. Click "Generate files"
6. You're now left with two directories - MS1 and MS2
7. Copy the EBOOT.PBP from the MS1 directory to your first memory stick (MS) - X:\PSP\GAME\
8. Remove the first MS and insert the second
9. Copy the EBOOT.PBP from the MS2 directory into X:\PSP\GAME\"
10. Remove MS2 and insert MS1
11. Go to the Game menu on your PSP and select Memory Stick
12. Select the PSP-Dev Launcher
13. The moment PSP logo screen comes on, swap memory sticks
14. Vola! You're playing homebrew on your 1.50 PSP!
(ignoring the obvious trolling of point a)
Why do you fear the weaponization of space? ICBM's already have worldwide range... it's no different than a battery of missiles in low earth orbit. And it would be stupid to put them on the moon... several days transit.
Going to the moon in the 70's was nothing more than a publicity stunt. Kennedy didn't give a f*ck about science. All he cared about was showing up the russians. Yes we got some science out of it, but not nearly as much as the NASA guys wanted to get. The Apollo program was cut short after we knew the point was brought home to Russia. We had 3 more Saturn V rockets sitting, waiting to be used. All we needed to do was fill 'em up and let 'em rip. But they cancelled the program. R&D >>> support staff for those missions. If they really cared about science they would have flown.
-everphilski-
Re:I'm all for science/technology/astronomy but...
on
Back to Moon in 2015?
·
· Score: 4, Interesting
There is a saying, get to low earth orbit and you are halfway to ANYWHERE in the galaxy. It's true. The velocity requirement (delta-v) to hit low earth orbit is about 7.6 km/sec. It's actually a little more than that when you consider you are fighting gravity the whole way up, and drag, but once you are in low earth orbit you are going 7.6 km/sec. Escape velocity from earth is about 13 km/sec. At 13 km/sec you can point your rocket any sane direction and just coast to where you want to go.
Building a base on the moon is similar to that. It takes a little more delta-V to get to the moon. Don't have my notes in front of me, think its on the order of 11km/sec. But leaving the moon is only like 2-3 km/sec... to escape. Slightly more delta-V than from LEO, you lose a little by landing on a moon, you now have to fight it's gravity well, but you gain something - solid ground. It's nice to be able to have a lab to work in. To be able to stand. That's one potential line of thinking for a moon base. And it's a valid one. There's also moon resources. Silicon, metals. Tons of oxygen in the regolith (moon rocks). If we can figure out how to get it out. There's actually a contest sponsored by NASA with a cash prize to do exactly that.
My opinion? Rendezvous in LEO and shoot from there. Screw the moon. But that's just me. I like the brute force method.
Kennedy had a goal - showing that good old American capitalism could beat Russian communism. That principle was worth hiring on thousands of engineers and accelerating plans that already were in place to be met by the end of the decade. Not to mention throwing billions at the problem.
Nowadays we don't have anything to prove. There's no motivation other than science. We can't reuse the Saturn V. Remember what the Saturn V put on the moon? A little tin foil lander, and a small buggy of a car. Not much effective payload, even if you make them unmanned. We'd have to make something bigger... but again, the question is why? Pursuit of science. Which is noble, but not nearly as impressive as getting the one-up on some communists. So it's gonna take awhile...
Not only is ice not free, but the refrigerator (being a non-ideal, non-reversible thermodynamic entity) is putting off MORE HEAT than what it is cooling (the same is true of an A/C unit... that's why they are located outside). Since he is in a dorm room, the freezer is located in his room, the constant cooling of additional water in addition to his normal "load" will actually cause his room to head up more. If he gets the ice from a common machine down the hall then yes, the bucket itself is pretty efficient, but the machine as a whole (which must include the production of ice) sucks it bigtime compared to a commercial air conditioner.
Moral of the story: "The laws of science be a harsh mistress" -Bender, Futurama
Both companies (virgin and blue origin) are run by people who have more money than they know what to do with... trying to create a new market is risky and expensive. To rich people it's gambling and that's exciting. To Aerospace engineers (like me) it's exciting to see people taking the initiative to try a new market, and do something that has been traditionally relegated to government contractors - the building of space hardware. Before the X-prize you (for the most part... there were some exceptions) had the little guys who built rocket engines in their backyard, and then you had Boeing/LockMart/Pratt&Whitney. Now you have middle ground, people who made their millions and can now risk to venture into captializing on space. Even if there is no response, there's bragging rights. An there will be a response, there have been numerous published and not so public studies stating that the market for suborbital tourism exists, even in the $100,000 range.
I currently work as a research associate for the University of Alabama in Huntsville. Mostly because I am interested in the employment (it's an extension of the senior design project I participated in). You don't get paid as much, but the benefits are great as many other posters have recalled.
One thing to remember is that the university moves slower than a well-run business. Most businesses clip along pretty quick and when a boss figures out what he wants, BAM, he wants it done. In the university system it isn't so. Even if they want it done, it needs to get approved by the people who hold the money strings, they need to find the right account to pull the money out of, tons of paperwork moving between multiple buildings, etc. The pace of university stuff in general is slower, which can be nice. People take hour and a half lunches, and not all at the same time. You are given a bit more freedom to solve a problem the way you see fit. For example, even as an entry-level (I just graduated 1 month ago) engineer, my second week on the job, I have minimal supervision, I haven't seen my boss this week, I get emails on occasion asking me to check up on certain things or commenting on reports/submissions I send to him. For me, this is a vacation. My particular contract lasts until December when the Army will stop funding the account I am being paid out of; I will probably seek non-university employment after that. I'm an Aerospace Engineer; kinda hoping to get into a missile defense job.
Lots of modeling and simulation code is written in either C++ or Java (more often than not C++). I write modeling and sim code for a defense project in C++, a friend of mine writes wargame code in Java. OOP is a great boon to modeling and simulation people, many of whom have deep roots in FORTRAN.
That's very true. But how long until they get it to work on a standard x86 box?
Taking a hint from xbox... i give them 6 months.
And to be honest with you, I'd bet (even though it has been said otherwise... interview on news.com.com) releasing MacOS for standard x86 boxes is on the radar. What do they have to lose? If they have had this mechanism for the past 5 years to compile into x86 code surely it can't be that difficult to make it work on these boxes that have been around... comparatively, forever
Anyways, never underestimate the hacker community, I won't be suprised to see someone boot up their Dell notebook to MacOS 6 months after the turnover.
Slashdot Mirror
Why do mods feed trolls... ... and you mod up sh*t like this?
DC is majorially african-american. You should have read before posting.
And by saying "Are you trying to make some sort of racist point?" you should expect a backlash of people complaining. I'm suprised you haven't gotten more. Cmon mods. You mod down anyone who prefers Microsoft to linux
-everphilski-
Their punishment is not limited to "doing time." Their punishment includes giving up certain rights. It's the law of the land. They aren't being decieved - these are laws just like any other. There is no moral code saying "the punishment for all crimes shall be doing time, and then you are free." By breaking the rules they are giving up their rights.
-everphilski-
As long as you meet the federal emission requirements... why not?
If you don't meet federal requirements... you can't.
It's actually quite clear...
-everphilski-
CSS for Dummies was published in 2001, according to Amazon.com. That's 4 years ago. Back then IE was king and held a 95%+ market share on Intel boxes. (IE still is king and holds what, 85-90% market share? that's still not bad... not *wise* to design only for IE but in a pinch its not bad) Designing for 95% of your target market isn't bad.
-everphilski-
From the article
Microsoft said it plans to continue to support Sybari products under existing pricing and licensing terms and support existing users on non-Windows platforms.
Sounds fair enough. But you probably didn't RTFA. There are a lot of companies that are a lot more brutal when they acquire a company (Read: cutting off support from existing customer base, etc.)
-everphilski-
They are a Windows company (excluding office for the mac, of course). They bought this company to augment their windows offerings. Keep the parts of the company that help you, let go the parts that don't. Just like any other business aquisition.
Nothing to see here, move along.
-everphilski-
Basic cable is free where I live. If it wasnt, $12.99 a month for 72 channels... $0.19 a month per channel hardly seems worth fretting over. Except HGTV. I want a refund.
-everphilski-
Microsoft has the ability to look at BitTorrent's code and compare, wheras Bram doesn't have that luxury (Avalanche has yet to be released). Anything Bram says till then is speculation, or, from the tone I got from his BLOG, him having a hissyfit.
Just because he or some of his buddies couldn't get something to work doesn't mean a different team of programmers can't. I think he's scared of being 1-upped by Microsoft. I think most of the open source community is.
-everphilski-
I had Slackware (7.1 i think?) working on my old Thinkpad 600. Had everything working except the modem (it was a win modem.. but didn't need it, network connection at home).
Make sure to check out www.linux-on-laptops.com. Tons of articles for virtually every make and model of notebook.
-everphilski-
Did you read the whitepaper? They didn't add a little... there were some serious performance gains. But you wouldn't care... after all, this is slashdot, and bashing microsoft makes you cool!
-everphilski-
The other thing about AOL's dialup service is that they buy modems from local ISP's in areas where they don't operate central hubs. I used to work for one such ISP that contracted to AOL. We were very proactive about protecting customers, etc.
So a lot of the AOL crowd having good numbers may very well be local ISP's that are taking good care of their own customers, and just happen to contract out to AOL on the side
-everphilski-
Which means you can put 5-10,0000 kg in LEO, depending upon how good your rocket guys are. Which is decent. But chances are you are going to have to structurally reinforce that 747-400F to carry the rocket, which will reduce the weight, etc... its a system of trades. But even still no reason it couldn't be used as a launch platform for an ISS ferry vehicle.
The downside is, now you are launching from a moving platform. And the savings, while there are some, arent **that** great... IE, you aren't going to be able to pull off a single stage rocket unless you have some amazing rocket guys working for you and you are putting a very minuscule package in orbit. 2 stages from the earth's surface is easy enough, if you are adding the complexity of an air launch you would want to get some benefit of complexity reduction out of it (And staging is a good source of failure...)
-everphilski-
#1 -> There are several spacefaring nations with human capacity. US. Russia. China. Any one could go up and defeat, physically, the defense mechanism of such a device. And russia/china would be at an advantage. They launch cheaper than the US does. Not to mention, what is the interface to a satellite? Oh yea... radio connections, via computers. Why not just hack it from the ground? Standard radio communications, a hundred times easier than a missile silo, guarded by troops on its own private network...
#2 -> You might be suprised how little kinetic energy an object has after re-entry. If it is built to withstand the heat, it is doing so because it is dissipating the energy by some mechanism. It's not magic. Energy has to go somewhere. Your 10 kilo ceramic cone is either ablating (losing mass) or it built blunt to let the atmosphere slow it down and take up some of the heat by way of friction. Kinetic energy is a function of mass and velocity SQUARED. Slowing down to half the speed means a quarter of your kinetic energy. The thickness of the air near the surface of the earth won't let it go faster than a few mach numbers, if you crunch the numbers you will find out it will have less than 1/10 the kinetic energy it had on orbit. A half-ton missile (small for a missile) going mach 1 (slow for a missile) has double kinetic energy than a 10 kilo object going mach 5. Which is optomistic.
I happen to be an aerospace engineer, currently contracting in the defense sector.
-everphilski-
Update: Many people seem disappointed that it's a swap hack. Personally I don't have any problem with it as it works great. We at PSP Hacks give our thanks to the PSP-Dev team for discovering and providing this exploit. For those who are having difficulty getting it to work, follow these simple steps:
1. Download any homebrew app/game
2. Load up the MSwap Tool
3. Select the EBOOT.PBP you wish to use
4. Select an Output directory
5. Click "Generate files"
6. You're now left with two directories - MS1 and MS2
7. Copy the EBOOT.PBP from the MS1 directory to your first memory stick (MS) - X:\PSP\GAME\
8. Remove the first MS and insert the second
9. Copy the EBOOT.PBP from the MS2 directory into X:\PSP\GAME\"
10. Remove MS2 and insert MS1
11. Go to the Game menu on your PSP and select Memory Stick
12. Select the PSP-Dev Launcher
13. The moment PSP logo screen comes on, swap memory sticks
14. Vola! You're playing homebrew on your 1.50 PSP!
(ignoring the obvious trolling of point a)
Why do you fear the weaponization of space? ICBM's already have worldwide range... it's no different than a battery of missiles in low earth orbit. And it would be stupid to put them on the moon... several days transit.
-everphilski-
Going to the moon in the 70's was nothing more than a publicity stunt. Kennedy didn't give a f*ck about science. All he cared about was showing up the russians. Yes we got some science out of it, but not nearly as much as the NASA guys wanted to get. The Apollo program was cut short after we knew the point was brought home to Russia. We had 3 more Saturn V rockets sitting, waiting to be used. All we needed to do was fill 'em up and let 'em rip. But they cancelled the program. R&D >>> support staff for those missions. If they really cared about science they would have flown.
-everphilski-
There is a saying, get to low earth orbit and you are halfway to ANYWHERE in the galaxy. It's true. The velocity requirement (delta-v) to hit low earth orbit is about 7.6 km/sec. It's actually a little more than that when you consider you are fighting gravity the whole way up, and drag, but once you are in low earth orbit you are going 7.6 km/sec. Escape velocity from earth is about 13 km/sec. At 13 km/sec you can point your rocket any sane direction and just coast to where you want to go.
... to escape. Slightly more delta-V than from LEO, you lose a little by landing on a moon, you now have to fight it's gravity well, but you gain something - solid ground. It's nice to be able to have a lab to work in. To be able to stand. That's one potential line of thinking for a moon base. And it's a valid one. There's also moon resources. Silicon, metals. Tons of oxygen in the regolith (moon rocks). If we can figure out how to get it out. There's actually a contest sponsored by NASA with a cash prize to do exactly that.
Building a base on the moon is similar to that. It takes a little more delta-V to get to the moon. Don't have my notes in front of me, think its on the order of 11km/sec. But leaving the moon is only like 2-3 km/sec
My opinion? Rendezvous in LEO and shoot from there. Screw the moon. But that's just me. I like the brute force method.
-Philski-
Kennedy had a goal - showing that good old American capitalism could beat Russian communism. That principle was worth hiring on thousands of engineers and accelerating plans that already were in place to be met by the end of the decade. Not to mention throwing billions at the problem.
Nowadays we don't have anything to prove. There's no motivation other than science. We can't reuse the Saturn V. Remember what the Saturn V put on the moon? A little tin foil lander, and a small buggy of a car. Not much effective payload, even if you make them unmanned. We'd have to make something bigger... but again, the question is why? Pursuit of science. Which is noble, but not nearly as impressive as getting the one-up on some communists. So it's gonna take awhile...
-philski-
How does Bill Gates outrank the women on that list? (Excluding Michael Jackson of course)
-everphilski-
Not only is ice not free, but the refrigerator (being a non-ideal, non-reversible thermodynamic entity) is putting off MORE HEAT than what it is cooling (the same is true of an A/C unit... that's why they are located outside). Since he is in a dorm room, the freezer is located in his room, the constant cooling of additional water in addition to his normal "load" will actually cause his room to head up more. If he gets the ice from a common machine down the hall then yes, the bucket itself is pretty efficient, but the machine as a whole (which must include the production of ice) sucks it bigtime compared to a commercial air conditioner.
Moral of the story: "The laws of science be a harsh mistress" -Bender, Futurama
-philski-
Both companies (virgin and blue origin) are run by people who have more money than they know what to do with... trying to create a new market is risky and expensive. To rich people it's gambling and that's exciting. To Aerospace engineers (like me) it's exciting to see people taking the initiative to try a new market, and do something that has been traditionally relegated to government contractors - the building of space hardware. Before the X-prize you (for the most part... there were some exceptions) had the little guys who built rocket engines in their backyard, and then you had Boeing/LockMart/Pratt&Whitney. Now you have middle ground, people who made their millions and can now risk to venture into captializing on space. Even if there is no response, there's bragging rights. An there will be a response, there have been numerous published and not so public studies stating that the market for suborbital tourism exists, even in the $100,000 range.
IAAAE (I Am An Aerospace Engineer)
-philski-
I currently work as a research associate for the University of Alabama in Huntsville. Mostly because I am interested in the employment (it's an extension of the senior design project I participated in). You don't get paid as much, but the benefits are great as many other posters have recalled.
One thing to remember is that the university moves slower than a well-run business. Most businesses clip along pretty quick and when a boss figures out what he wants, BAM, he wants it done. In the university system it isn't so. Even if they want it done, it needs to get approved by the people who hold the money strings, they need to find the right account to pull the money out of, tons of paperwork moving between multiple buildings, etc. The pace of university stuff in general is slower, which can be nice. People take hour and a half lunches, and not all at the same time. You are given a bit more freedom to solve a problem the way you see fit. For example, even as an entry-level (I just graduated 1 month ago) engineer, my second week on the job, I have minimal supervision, I haven't seen my boss this week, I get emails on occasion asking me to check up on certain things or commenting on reports/submissions I send to him. For me, this is a vacation. My particular contract lasts until December when the Army will stop funding the account I am being paid out of; I will probably seek non-university employment after that. I'm an Aerospace Engineer; kinda hoping to get into a missile defense job.
-everphilski-
Relative to the sun. We move about 30 km/sec around the sun. The moon orbits the earth at about 1 km/sec.
IAAAE (I Am An Aerospace Engineer)[not that you'd have to be one to figure it out... governing laws are basically geometry...]
-everphilski-
Lots of modeling and simulation code is written in either C++ or Java (more often than not C++). I write modeling and sim code for a defense project in C++, a friend of mine writes wargame code in Java. OOP is a great boon to modeling and simulation people, many of whom have deep roots in FORTRAN.
IAAAE (I Am An Aerospace Engineer)
-everphilski-
That's very true. But how long until they get it to work on a standard x86 box?
Taking a hint from xbox... i give them 6 months.
And to be honest with you, I'd bet (even though it has been said otherwise... interview on news.com.com) releasing MacOS for standard x86 boxes is on the radar. What do they have to lose? If they have had this mechanism for the past 5 years to compile into x86 code surely it can't be that difficult to make it work on these boxes that have been around... comparatively, forever
Anyways, never underestimate the hacker community, I won't be suprised to see someone boot up their Dell notebook to MacOS 6 months after the turnover.
-everphilski-