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No. Hardware controllers are the right solution in this context. These pods are not designed for individual users, but for corporations that can afford stockpiles of spare parts, so replacing a board can be done easily. Using hardware controllers allows many more drives per box, and thus per CPU. A populated 6-CPU motherboard is going to be less reliable, dissipate more heat, require more memory, and likely be less reliable, than the special-purpose hardware approach that allows for a single CPU.
Software RAID makes sense when you have a balance of storage bandwidth requirements to CPU capacity that is heavy on the CPU side. This box is designed for the opposite scenario, as the highly informative blog describes:
(Yes, I know, expecting someone to read the blog would mean that they would have to read the linked article and then click through to the original post, a veritable impossibility. Still, it is recommended reading, especially the part about their experience with failure rates and how they have *one* guy replacing failed drives *one* day per week.)
Ever since Twitter, which puts a premium on brevity since it was originally based on the SMS limitation of 160 characters, having short URLs has become vital.
I *never* answer mother's maiden name truthfully. I treat it as a password, since that's just what the companies requesting it treat it as. There's no checking.
That isn't to say that the overwhelming majority of people don't answer it truthfully.
Given that (1) Clinton is talking about flat (not pitched) roofs that are typically tar coated, and (2) there are paints specifically formulated for exactly this purpose that are black, white, or aluminized, I find the example you suggest of a standard Krylon paint is irrelevant.
For a highly reflectant surface, emissivity should be close to 0.
Infrared wavelengths don't quite get as large as 1 cm, so you're off by some orders of magnitude in the example. Not only that, the peak of insolation energy is right in the visible spectgrum, although there is a substantial amount tailing off down towards 2000 nm (that would be 2 um, or about six orders of magnitude off from your example). To a first approximation, the visible color of a pigment will give a reasonable prediction of its general reflectivity.
Blogging on a subject does not mean you are an expert, and in the few minutes it took me to research this response, I found vast amounts of information on the web regarding absorption and emissivity, and also roof coatings. Here's one that combines the two: http://www.energystar.gov/index.cfm?c=roof_prods.pr_roof_emissivity
We live on the top floor of a small apartment building that has a flat roof, and with the landlord's permission, I painted it with aluminized roof coating at the end of last summer. I can now definitely state that our interior temperatures are about 10 F cooler than last summer (hey, we're geeks, we measured it). We still go above ambient, but only about 5 F instead of 15 F. It went from intolerable (there is no A/C) to not-so-bad, and the rest of the building shares the benefit, although much less than we do.
I can't speak to how much more energy we're using during the winter because we don't see those figures and didn't think of a way to measure it (like duty cycle of the heater on our floor) in time.
Yes, except that I implemented two separate networks to partition clients into two separate pools. Thus the "related, but certainly not identical" part of my comment. The intent is related in that each pool of clients is made more robust to what the other pool is doing.
Mice are essentially the same age as Ethernet, and invented in the same place.
I use a CRT almost daily. That technology (raster scanning CRTs, that is) are approximately as old as Television (vector based are somewhat older).
Keyboards hark back to teletypes, pre-dating Ethernet and all that networking jazz.
Heck, ASCII. According to Wikipedia (http://en.wikipedia.org/wiki/ASCII) it was first standardized in 1963, with work starting on the standard in 1960. That would be 50 years ago. Anyone reading this is using ASCII.
Is there no cable to Antarctica? Hmm... (type, type, click, click)... Oh, I see:
Antarctica is the only continent yet to be reached by a submarine telecommunications cable. All phone, video, and e-mail traffic must be relayed to the rest of the world via satellite, which is still quite unreliable. Bases on the continent itself are able to communicate with one another via radio, but this is only a local network. To be a viable alternative, the fiber-optic cable must be able to withstand temperatures of -80 C as well as massive strain from ice flowing up to 10 meters per year. Thus, plugging into the larger Internet backbone with the high bandwidth afforded by fiber-optic cable is still an as yet infeasible economic and technical challenge in the Antarctic.
I'm not the highly informative poster above, but can readily speculate justifications nevertheless: (1) reliability, reliability, reliability, (2) cost differential between the two services during different times of the day or days of the week, (3) to maximize available bandwidth if one or the other connection bogs down from one's neighbor, (4) to be able to tell one or the other service to frell off on a moment's notice, (5) to be able to load down one ISP's connection, say with a large file transfer, and have the local network still remain responsive by automatically switching everything else to the other ISP, etc.
I've implemented a related, but certainly not identical, system in my home with two wireless APs running two independent networks feeding a single cable connection. Robustness was the primary motivation.
Yes, exactly. As a card-carrying Geek, it took me a few days to sort out my DIY rsync-based solution for remote archive that still occasionally spits up. The article said effectively nothing about how difficult that can be to get right, and that's without the nice Apple Time Machine GUI that I keep hearing people going on about. Doing it yourself is not going to give you a foolproof solution.
I would argue that the human has good grounds to own the copyright in that case.
Here's another similar thought experiment: as an artist and engineer, I set up a camera pointing at the sky with a remote control that allows me to trigger the shutter whenever it pleases me. I randomly press the button over the next few days, whether I can view what is in front of the camera or not. Surely I own the copyrights.
I now replace the remote control with a randomly triggered circuit. I still own the copyrights.
I now restore the remote control and give it to a monkey to press at will. I still own the copyrights (animals cannot enter into contracts, and the photos are still the result of significant creative effort on my part).
I now give the remote control to my friend to press at will. I no longer own the copyrights; lacking any legal agreement to modify ownership, my friend does.
Given the phrasing from the post, "... a compact airborne laser system for planes to shoot down heat-seeking missiles," and the links with research from a Big Technical University, a better cultural reference would be the movie Real Genius. Much better match all-told.
Not an exact analogy. A closer analogy would be to open a bar and post a sign saying, "Julian Assange not allowed." But an exact analogy would be to have no sign but give your bouncer a photo of Mr. Assange with specific instructions to prevent him from entering.
Going to the Rybka web site www.rybkachess.com there does not seem to be a way to download the source code, which would be required for releases under the GPL, assuming there is validity to the claim that he's copied other open source efforts.
I'd like to see how they gonna secure SMDs and BGAs to silver circuits scribbled on a bar napkin. Steve Wozniak no doubt would've loved if he coulda done that.
All you need to do is look at the linked article to see that they have done exactly this for paper circuits.
Conductive ink / glue (silver dust in an adhesive vehicle) is pretty standard stuff. I use it all the time in my lab to make connections that are simultaneously mechanically secure and electrically conductive.
The Gizmodo article linked in the summary is a blurb based on some research done at the University of Illinois, and, according to that blurb, published in the journal Advanced Materials ( http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1521-4095 ). Looking at the current issue of Advanced Materials, the work doesn't show up, but there are a slew of other articles that the Slashdot crowd might find very interesting.
Google can clearly afford USD 34,000. Not even half a year of salary and benefits for one developer. So they get fined. Cost of doing business. Ignore it can carry on.
On the other hand, why would they not want to comply with what on the face of it is a good, pro-consumer law? And what happened to the corporate motto, "do not be evil"?
Disabling the paid segment of the market for Taiwan just seems so --- what's the word? ah, yes --- petulant, especially since there are alternate reactions that make more sense. Two points demerit for Google for not taking the higher ground.
Except when it came to entering text. Yes, it's possible. No, I would never, ever want to enter anything other than a few words in that manner. Certainly nothing like a 10,000 word paper, which can easily be done without touching a mouse, ever, at least on my computers.
And for what its worth, putting search in the start bar was a GOOD thing. I rarely ever have to go digging through the start menu hierarchy any more.
Disclaimer: I have not used Win 7. All of my Windows boxes run XP (or, in some cases, 98... no need to update a working data-collection setup).
That sure sounds more and more like a command line. At the Unix prompt we (all should) know and love, you type the first few characters, hit TAB, and boom! you get a list of options that the system knows about as executable programs. Think of it as a highly indexed and cached search.
And I bet there are even shells that I've not used that would allow general searching -- like, type macTAB and get emacs.
Course materials and lectures for much of MIT's undergraduate curriculum, including CS courses, are available on the web. Educate yourself.
That doesn't meet your requirements of an accredited institution? Then take individual courses at your local college (many colleges and universities allow members of the community to purchase courses one by one).
That doesn't meet your requirements of an actual degree? Then take courses at a night school. Most of those are geared toward Associate's Degrees, which is really what you are looking for.
That doesn't meet your desire for a Bachelor's Degree? Sorry, you need to actually take the rest of those non-CS requirements you are eschewing to get a Bachelor's.
They scanned a printed version of the photo that appeared in a magazine. The magazine version had a copyright notice with the photographer's name in the gutter (the spaces in between columns or between the content and the edge of the page) that the radio station employees either did not scan or cropped away. There was no digital watermark mentioned in the article.
Slashdot Mirror
When I try to visit the linked page, I get ---
This Page Cannot Be Displayed
Based on your corporate access policies, this web site ( http://jpc2.com/ ) has been blocked because it has been determined by Web Reputation Filters to be a security threat to your computer or the corporate network. This web site has been associated with malware/spyware.
Threat Type: Othermalware
Threat Reason: Hosted on IP controlled by a group or individual known to be malicious.
If you have questions, please contact your corporate network administrator and provide the codes shown below.
Notification codes: (1, MALWARE, Othermalware, Hosted on IP controlled by a group or individual known to be malicious., BLOCK-MALWARE, http://jpc2.com/)
That does not inspire confidence.
These pods are not intended for the individual user. Your ability to saturate a home pipe without filling up 135 TB isn't relevant.
No. Hardware controllers are the right solution in this context. These pods are not designed for individual users, but for corporations that can afford stockpiles of spare parts, so replacing a board can be done easily. Using hardware controllers allows many more drives per box, and thus per CPU. A populated 6-CPU motherboard is going to be less reliable, dissipate more heat, require more memory, and likely be less reliable, than the special-purpose hardware approach that allows for a single CPU.
Software RAID makes sense when you have a balance of storage bandwidth requirements to CPU capacity that is heavy on the CPU side. This box is designed for the opposite scenario, as the highly informative blog describes:
http://blog.backblaze.com/2011/07/20/petabytes-on-a-budget-v2-0revealing-more-secrets/
(Yes, I know, expecting someone to read the blog would mean that they would have to read the linked article and then click through to the original post, a veritable impossibility. Still, it is recommended reading, especially the part about their experience with failure rates and how they have *one* guy replacing failed drives *one* day per week.)
Ever since Twitter, which puts a premium on brevity since it was originally based on the SMS limitation of 160 characters, having short URLs has become vital.
I *never* answer mother's maiden name truthfully. I treat it as a password, since that's just what the companies requesting it treat it as. There's no checking.
That isn't to say that the overwhelming majority of people don't answer it truthfully.
Given that (1) Clinton is talking about flat (not pitched) roofs that are typically tar coated, and (2) there are paints specifically formulated for exactly this purpose that are black, white, or aluminized, I find the example you suggest of a standard Krylon paint is irrelevant.
For a highly reflectant surface, emissivity should be close to 0.
Infrared wavelengths don't quite get as large as 1 cm, so you're off by some orders of magnitude in the example. Not only that, the peak of insolation energy is right in the visible spectgrum, although there is a substantial amount tailing off down towards 2000 nm (that would be 2 um, or about six orders of magnitude off from your example). To a first approximation, the visible color of a pigment will give a reasonable prediction of its general reflectivity.
Blogging on a subject does not mean you are an expert, and in the few minutes it took me to research this response, I found vast amounts of information on the web regarding absorption and emissivity, and also roof coatings. Here's one that combines the two: http://www.energystar.gov/index.cfm?c=roof_prods.pr_roof_emissivity
We live on the top floor of a small apartment building that has a flat roof, and with the landlord's permission, I painted it with aluminized roof coating at the end of last summer. I can now definitely state that our interior temperatures are about 10 F cooler than last summer (hey, we're geeks, we measured it). We still go above ambient, but only about 5 F instead of 15 F. It went from intolerable (there is no A/C) to not-so-bad, and the rest of the building shares the benefit, although much less than we do.
I can't speak to how much more energy we're using during the winter because we don't see those figures and didn't think of a way to measure it (like duty cycle of the heater on our floor) in time.
Yes, except that I implemented two separate networks to partition clients into two separate pools. Thus the "related, but certainly not identical" part of my comment. The intent is related in that each pool of clients is made more robust to what the other pool is doing.
Mice are essentially the same age as Ethernet, and invented in the same place.
I use a CRT almost daily. That technology (raster scanning CRTs, that is) are approximately as old as Television (vector based are somewhat older).
Keyboards hark back to teletypes, pre-dating Ethernet and all that networking jazz.
Heck, ASCII. According to Wikipedia (http://en.wikipedia.org/wiki/ASCII) it was first standardized in 1963, with work starting on the standard in 1960. That would be 50 years ago. Anyone reading this is using ASCII.
Is there no cable to Antarctica? Hmm... (type, type, click, click) ... Oh, I see:
Antarctica is the only continent yet to be reached by a submarine telecommunications cable. All phone, video, and e-mail traffic must be relayed to the rest of the world via satellite, which is still quite unreliable. Bases on the continent itself are able to communicate with one another via radio, but this is only a local network. To be a viable alternative, the fiber-optic cable must be able to withstand temperatures of -80 C as well as massive strain from ice flowing up to 10 meters per year. Thus, plugging into the larger Internet backbone with the high bandwidth afforded by fiber-optic cable is still an as yet infeasible economic and technical challenge in the Antarctic.
From: http://en.wikipedia.org/wiki/Submarine_communications_cable
I'm not the highly informative poster above, but can readily speculate justifications nevertheless: (1) reliability, reliability, reliability, (2) cost differential between the two services during different times of the day or days of the week, (3) to maximize available bandwidth if one or the other connection bogs down from one's neighbor, (4) to be able to tell one or the other service to frell off on a moment's notice, (5) to be able to load down one ISP's connection, say with a large file transfer, and have the local network still remain responsive by automatically switching everything else to the other ISP, etc.
I've implemented a related, but certainly not identical, system in my home with two wireless APs running two independent networks feeding a single cable connection. Robustness was the primary motivation.
Yes, exactly. As a card-carrying Geek, it took me a few days to sort out my DIY rsync-based solution for remote archive that still occasionally spits up. The article said effectively nothing about how difficult that can be to get right, and that's without the nice Apple Time Machine GUI that I keep hearing people going on about. Doing it yourself is not going to give you a foolproof solution.
I would argue that the human has good grounds to own the copyright in that case.
Here's another similar thought experiment: as an artist and engineer, I set up a camera pointing at the sky with a remote control that allows me to trigger the shutter whenever it pleases me. I randomly press the button over the next few days, whether I can view what is in front of the camera or not. Surely I own the copyrights.
I now replace the remote control with a randomly triggered circuit. I still own the copyrights.
I now restore the remote control and give it to a monkey to press at will. I still own the copyrights (animals cannot enter into contracts, and the photos are still the result of significant creative effort on my part).
I now give the remote control to my friend to press at will. I no longer own the copyrights; lacking any legal agreement to modify ownership, my friend does.
Given the phrasing from the post, "... a compact airborne laser system for planes to shoot down heat-seeking missiles," and the links with research from a Big Technical University, a better cultural reference would be the movie Real Genius. Much better match all-told.
Not an exact analogy. A closer analogy would be to open a bar and post a sign saying, "Julian Assange not allowed." But an exact analogy would be to have no sign but give your bouncer a photo of Mr. Assange with specific instructions to prevent him from entering.
Going to the Rybka web site www.rybkachess.com there does not seem to be a way to download the source code, which would be required for releases under the GPL, assuming there is validity to the claim that he's copied other open source efforts.
I'd like to see how they gonna secure SMDs and BGAs to silver circuits scribbled on a bar napkin. Steve Wozniak no doubt would've loved if he coulda done that.
All you need to do is look at the linked article to see that they have done exactly this for paper circuits.
Conductive ink / glue (silver dust in an adhesive vehicle) is pretty standard stuff. I use it all the time in my lab to make connections that are simultaneously mechanically secure and electrically conductive.
The Gizmodo article linked in the summary is a blurb based on some research done at the University of Illinois, and, according to that blurb, published in the journal Advanced Materials ( http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1521-4095 ). Looking at the current issue of Advanced Materials, the work doesn't show up, but there are a slew of other articles that the Slashdot crowd might find very interesting.
Bricks, or reasonable approximations thereto, probably. Whole houses in one go might be difficult, though.
Google can clearly afford USD 34,000. Not even half a year of salary and benefits for one developer. So they get fined. Cost of doing business. Ignore it can carry on.
On the other hand, why would they not want to comply with what on the face of it is a good, pro-consumer law? And what happened to the corporate motto, "do not be evil"?
Disabling the paid segment of the market for Taiwan just seems so --- what's the word? ah, yes --- petulant, especially since there are alternate reactions that make more sense. Two points demerit for Google for not taking the higher ground.
ANOTHER potential disaster threatening a facility with major nuclear equipment ? oh my.
Show some respect. There's a town full of people around LANL whose lives are being threatened.
Except when it came to entering text. Yes, it's possible. No, I would never, ever want to enter anything other than a few words in that manner. Certainly nothing like a 10,000 word paper, which can easily be done without touching a mouse, ever, at least on my computers.
And for what its worth, putting search in the start bar was a GOOD thing. I rarely ever have to go digging through the start menu hierarchy any more.
Disclaimer: I have not used Win 7. All of my Windows boxes run XP (or, in some cases, 98 ... no need to update a working data-collection setup).
That sure sounds more and more like a command line. At the Unix prompt we (all should) know and love, you type the first few characters, hit TAB, and boom! you get a list of options that the system knows about as executable programs. Think of it as a highly indexed and cached search.
And I bet there are even shells that I've not used that would allow general searching -- like, type macTAB and get emacs.
Course materials and lectures for much of MIT's undergraduate curriculum, including CS courses, are available on the web. Educate yourself.
That doesn't meet your requirements of an accredited institution? Then take individual courses at your local college (many colleges and universities allow members of the community to purchase courses one by one).
That doesn't meet your requirements of an actual degree? Then take courses at a night school. Most of those are geared toward Associate's Degrees, which is really what you are looking for.
That doesn't meet your desire for a Bachelor's Degree? Sorry, you need to actually take the rest of those non-CS requirements you are eschewing to get a Bachelor's.
They scanned a printed version of the photo that appeared in a magazine. The magazine version had a copyright notice with the photographer's name in the gutter (the spaces in between columns or between the content and the edge of the page) that the radio station employees either did not scan or cropped away. There was no digital watermark mentioned in the article.