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User: Sycraft-fu

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  1. Re:I thought latency was the main issue? on New Alternatives To Silicon May Increase Chip Speeds By Orders of Magnitude. · · Score: 1

    Ahh but remember the distance we are talking about isn't linear, but rather wire length. It is how far the electrons must travel through the pathways on the chip. That can wind up being larger.

    Signal propagation is a real issue with high clock speeds. I'm not saying it is a kiss of death or anything, but it is something that can cause real issues with design.

  2. Or maybe just more than one choice on Tim Cook May Not Know Why, But Samsung Is Winning in China · · Score: 1

    Some people like smaller phones, some like larger ones. I understand that too much choice can get confusing to people, but most people want SOME choice. Apple has had a "You will do this our way," idea for a long time. Now that works when what you have is what people want, but not so much if people decide they want something else.

    Also in terms of China, Apple is at a disadvantage compared to America because it doesn't have the status symbol thing going on there. In the US it is very fashionable to have and be seen with an Apple product (though it is waining here). It started with the iPod and has continued for quite some time. It was a status symbol to have an iPod, iPhone, etc. Not so in China. It just doesn't have that same status. So people evaluate it more on its features (and cost) and how much they like those.

    Apple may have to accept that having "an" iPhone isn't going to cut it as much, they may need to have a couple options for people to choose from.

  3. No, kids need technology education on Every Public School Student In LA Will Get an iPad In 2014 · · Score: 1

    Being proficient with technology is highly important in today's job market. However, that doesn't mean they need a tablet, which is more or less just an expensive eReader and toy. Rather the right answer is for the school to have classrooms with computers for teaching those subjects that need them. I mean think about it: We don't have students go and buy a fume hood, chemical resistant table, large set of glassware, a bunch of chemicals, and so on do we? No, rather we have a chemistry classroom, a room with the necessary equipment for learning chemistry, since properly learning it takes some hands on.

    Same shit for computers. When the students are learning about something that requires a computer to do, they go to the class that has the computers. Not only does this mean the computers aren't a distraction otherwise, but the can be locked down and admin'd to only do what is needed, and are there for use for other students, you don't need one per pupil.

    For that matter, places already DO that shit. I do IT support for a university and part of my job is maintaining some instructional computer labs. We spend about $1000/computer... once every 5-8 years depending on the needs of the classroom. Also a classroom only has 10-50 computers, depending on size (10 for things like electronics labs, 50 for things like Matlab lectures). However we have way more students that use it. One of the 50 seat labs sees probably 200 students per week for a basic programming class. They just aren't all in there at the same time.

    That is the right way to do it. It is cheaper, less distraction to students, easier to administer, and being real computers you can run, well, anything you want on them.

    This is just some stupid Apple fanboy wanting shiny technology for the students.

  4. Also if the idea is eBooks, as it seems to be on Every Public School Student In LA Will Get an iPad In 2014 · · Score: 1

    An eReader in line with the Kindle or Nook would be a much better idea. Why? Well in addition to being easier to read and having a longer battery life, it is something that only does text display. You can't use it to screw around and play Angry Birds or watch Youtube instead of reading your course material.

    I remember it was problem enough when I was in highschool and the TI-82s were the big thing in math and chemistry. Students would play games on them (some of which I wrote) instead of paying attention. I can't imagine how much worse the problem is with a tablet.

  5. And it turns out on Every Public School Student In LA Will Get an iPad In 2014 · · Score: 1

    Parental engagement is the biggest predictor of academic success in kids. More than intelligence or economic status even (those are also strong predictors). The #1 most important thing really is parents that care and are engaged in their kid's lives. However that is also something you can't easily fix, you can't just magically buy something that'll make parents more involved.

  6. Paying more makes it a less terrible job on Every Public School Student In LA Will Get an iPad In 2014 · · Score: 1

    I'm not saying it is all there is too it, but it is a part of it. You'll notice most careers that require both a lot of education and have some crappy component (danger, long hours, poor work environment, etc) pay better than others. Medicine is a good example. It requires a ton of education, and it is pretty stressful/long hours. So no surprise it ends up paying quite well. If it didn't many people would choose something else.

    Most college students can compare two numbers and determine which is larger and decide that teaching is not worth it. Improving the pay scale will improve the interest in the job.

  7. One way to think about it on In Canada, a 3D-Printed Rifle Breaks On First Firing · · Score: 1

    A 5.56mm, rifle round is much smaller than a 9mm pistol round, as the number would imply. About 3.5mm less diameter. It is also lighter, of course. However the case for a 5.56 round is as big around as a 9mm case, it is just necked down at the very end to hold the bullet. It is also much longer, as the second number implies (that is cartridge length). It is over twice as long, 45mm (5.56x45mm is the spec). So what fills that extra space? More propellant. The reason for the large case, small bullet, is to have more powder to get more velocity.

    You can see it when you look at barrels too. Rifle barrels are much thicker. A 5.56mm rifle barrel might have an outer diameter around the same as a 9mm pistol barrel, simply because it has that much extra steel to deal with the stresses (pressure and heat) that it faces from the rounds.

  8. Have you looked at supplements? on The Man Who Convinced Us We Needed Vitamin Supplements · · Score: 1

    The multi-vitamins I've seen generally have 100% (or less in the case of some things) of the FDA recommended daily value. That doesn't seem to be a mega dose, at least not according to the people who research such things, it appears to be, well, the recommended amount.

  9. Or even sometimes summer on The Man Who Convinced Us We Needed Vitamin Supplements · · Score: 1

    My doctor told me I was low on vitamin D, which surprised me a little. I bike to work daily. It isn't a long ride, 4 miles, but I am still out in the sun every week day. I live in the desert too so plenty of sun.

    However, apparently I didn't have enough D. Some supplements cleared that up.

  10. Re:Banksters on Jail Time For Price-Fixing Car Parts · · Score: 4, Insightful

    Well it turns out that the US justice system is one such that people have to actually violate a law to be tried and convicted, not to just make someone on Slashdot mad. So, if you think a banker should go to jail, then let's hear the details: Who is it, what law did they break, and what evidence do you have of this? Also remember it had to be illegal at the time they did it. If new laws were introduced later in response to what happened, those don't count, the US Constitution explicitly prohibits ex post facto laws.

    "They caused the economy to crash!" is not a valid answer, and also shows a rather large amount of ignorance of the situation (if you think the downturn had a singular cause, you need to do more research).

    This whining gets a little old. People cry that "the bankers" (or "banksters" in your case) should go to jail but yet never seem to be able to cite specifics. That to me says you don't actually know of any laws broken, you are just mad and think that you're angry should be reason enough to convict someone.

    So, if there are specific cases you think should be prosecuted, then don't whine about "banksters" as some large group, any more than someone should whine about "hackers" as some large group. Post those specific cases. If not, then maybe spend some time reconsidering your position.

  11. Though the question will be backhaul on Small Town Builds Its Own Gigabyte Network; Cost To Citizens $57/month · · Score: 1

    Offering gigabit to endpoints isn't that hard. Gig Ethernet is cheap these days, GPON is likewise cheap for metro type situations. However, you can hook all the endpoints up at gig but if your backhaul to other providers isn't good, then it doesn't matter. You can have "gigabit" but only to other nodes on the network.

    So that'll be the real question is what kind of bandwidth they can buy to hook this network up to. That'll determine if it is really fast internet to homes and businesses or just a big LAN with slow 'net access.

  12. Re:Ya well on TSA Orders Searches of Valet Parked Car At Airport · · Score: 1

    You wouldn't think so, but I'm amazed at the ignorance of some law makers. Gun laws just seem to be some of the worst. I've never encountered a country who's gun laws I've looked at (not that I've looked at all of them or anything) where I've said "Ya, those all make sense." They always have some silly shit. Canada can't feel bad there.

    My point on the military was just that law makers have a resource they can consult. They can find weapons experts on the government payroll to ask questions. However those who want gun restrictions usually don't, they design them on their own, and they often end up being stupid and ineffective since the person doing it knows nothing about firearms.

    Just the way it goes, it seems, in Canada, the US, and elsewhere.

  13. Ya well on TSA Orders Searches of Valet Parked Car At Airport · · Score: 4, Insightful

    Seems to be how weapons laws go. It is rare to find a country with gun laws that are entirely sensible. I think part of the reason is that when restrictions are enacted, they are often written by people who hate guns and thus know very little about them. They then never trouble themselves to consult with their military or the like to get some information. So, you get a silly law.

  14. Re:Yep on Microsoft Is Sitting On Six Million Unsold Surface Tablets · · Score: 2

    I'll just keep using Start 8, since a start menu doesn't occlude all my running stuff when I open it.

  15. Yep on Microsoft Is Sitting On Six Million Unsold Surface Tablets · · Score: 4, Interesting

    I have no problem with Metro on a touch screen. I think it works as well as anything else I've used, better than the stock Android UI. Turns out those big tiles are really nice when you are batting at things with big, imprecise fingers. You don't want to try and operate the Windows desktop UI in touch, it doesn't work well. There are old tablets that do just that (people forget there have been Windows tablets since the XP days) and they are painful to use without a pen. Your fingers just aren't precise enough for the desktop UI.

    So makes good sense on a tablet. The issue is trying to ram it in to a desktop OS. There is doesn't make sense. You have a nice precise mouse to use. It just takes up space and occludes your work. With a mouse and keyboard, it is a bad interface.

    What they should have done (not that it would have helped the surface, there's no tablet market, there's an iPad market) it had the Metro UI for Windows RT, and not for Windows 8. Windows 8 should then have been able to run Metro programs in a resizable window. That way the tablet is usable, the desktop is usable, and it can run tablet programs, if needed.

    In fact, turns out 8 is real nice when you do just that. You pick up Stardock's Start 8, which gives you a start menu instead of start screen, and Modern Mix, which takes Metro apps and puts them in a window instead of full screen. It works really great then.

    The problem isn't with the UI, it is with where it is used.

  16. The thing is on Microsoft Is Sitting On Six Million Unsold Surface Tablets · · Score: 3, Insightful

    Most people have no use for a tablet. It is a device that is an inbetween that they don't need. They have a smartphone, so that is a small, low power, device for browsing the web n' such that travels with you everywhere. They then also have a laptop (and sometimes desktop) for when they need more serious stuff and to do thing actually productive (touch screens are not useful for most kinds of creation, even simple creation like writing an e-mail).

    Well a tablet is a device in between those two. It runs a phone OS and is only maybe a little more powerful, but is much larger. Ok... so that does what for you precisely?

    Now in some cases, people have a use for them. The medical profession is a particular one I can think of, using them to replace paper charts. But for most home users, they are a gadget without a purpose.

    However, that is not a problem for the iPad (at least not for now) because it is a fashion accessory. It is trendy to have one. People ran out and bought them not because they said "Man this solves a need I have," but because they said "OMG that is so cool, I want one!" Utility was never a concern, they wanted to have it because it was the nifty thing to have.

    Thing is, that works only for the iPad. That means there's an iPad market, not a tablet market. Other tablets aren't "cool by association" particularly MS stuff, since they've NEVER been able to pull off the cool/fashionable thing. So the Surface is going to sell for shit because there's just not a market for it. People look at it and say "Why would I want that?" since there's not the cool factor.

    If there was a reason to own a tablet on a large scale, maybe they'd have a chance, but since there isn't it isn't going to go anywhere.

  17. It might not be real. I can see the reason companies want to clarify the process is because they feel it has been misconstrued. The public opinion seems to be the "splitter" thing, like the NSA can just get any and all information at the companies on a whim, without telling anyone. So people are mad, no surprise. However what if that's not the case, if the companies are telling the truth? Maybe it is something more like the NSA has a line to these companies, and can make requests and the companies, upon deciding it is a valid request, can send them the data directly down that line? That's rather different.

    So perhaps that's more what is going on. The program isn't quite as scary as people believe it is, and companies want to tell people how it really works, but can't without breaking the law.

    Who knows at this point.

  18. And so far on Pre-Dawn Wireless Emergency Alert Wakes Up NYC · · Score: 1

    It has never been used. Remember this is all just part of the Emergency Alert System, the thing radio and TV has had forever. It is just integrated in to phones now, since more people are using those. The president has always had the ability to issue an alert on radio and TV. The FCC 'owns' the public airwaves, they can demand their use, if needed.

    So far, even during 9/11, there has never been a presidential alert. So clearly they save it only for the really, really, big things, hence why you can't turn it off.

  19. Re:Also on Hardly Anyone Is Buying 'Smart Guns' · · Score: 1

    One of the big problems was going revolvers to automatics. Revolvers tend to have a really heavy trigger pull. A DA trigger pull can be 15 pounds or more on a revolver. So the cops got used to poor handling. They'd put their fingers on the trigger all the time. Heavy enough that it is hard for bad handling to cause a discharge. Then they changed to Glock's which have a 5.5 pound pull, normally. Then the problems started happening because of the bad handling.

    The NYPD's solution, rather than train their officers how to use their fucking guns, was to have Glock make a heavy trigger spring. It is called the "New York" trigger http://glock.com/english/options_triggerspring.htm.

  20. Yep on Hardly Anyone Is Buying 'Smart Guns' · · Score: 2

    If these things were so amazing, you'd think the police would use them. After all, they aren't in a situation like the military, where you might need to use somebody else's weapon, and it IS an occasional problem where the police have their own weapons taken and used against them. Plus it sets a good example.

    So they should be all over them, right?

    Ya well, not so much for the reasons the original poster detailed. Reliability is a big one. You'd have to prove the reliability of the system, in a bunch of trials and demos before people would be convinced. It would need to be real reliable too, around the same reliability as the mechanical systems (guns do jam sometimes). If a given weapon has a reliability of 1 problem in 5000 rounds and your smart system causes problems at a rate of about 1 in 50, there's going to be little interest.

    Remote issues would be another one. The system would need to be demonstrated to be hardened against remote interference. The last thing the police would want is some electrical system that could disable guns remotely, and even worse, silently. You can harden against that, but it would need to be done and demonstrated effective.

    Price is another real concern. How much is something like this going to add to the cost of a gun? I could easily see it being a few hundred dollars. For example have a look at something like an EOTech weapon sight. That's an electronic sight, runs on batteries, that is designed to survive the rigors of battle (the US military uses them). They are $400-700 roughly, depending on options. So, not hard to believe an electronic safety gadget might cost the same. That can double, or more, the cost of many firearms. That is going to be a rather hard sell to people.

    If someone can demonstrate a cheap, reliable, solution, well then I can see there being interest in it, at least in some cases. However I've yet to hear of one. As such, no surprise nobody is buying.

  21. Also on Hardly Anyone Is Buying 'Smart Guns' · · Score: 1

    It could lead to LESS safety with guns. So with a smart gun people could say "I don't have to worry, it is a smart gun!" and not handle it as safely.

    Guns are NOT dangerous devices, what they are is powerful and unforgiving. Dangerous would imply something like a lion, that might just attack for no perceivable reason. A gun only goes off when the right set of circumstances are met.

    For example, want to have no chance of a gun firing? Simply remove the ammunition. If there's not a round in the chamber then there is no way it can fire, period, without that being changed.

  22. As Wikipedia likes to say on Hardly Anyone Is Buying 'Smart Guns' · · Score: 1

    [citation needed]

    Let's get some citations on your stats of smart gun reliability and on gun deaths. It gets rather tiring to see people make up and spout off numbers to support their preconceived notions. Provide support, and think about the quality of your source.

  23. Ok but if that's your attitude on Kernel Dev Tells Linus Torvalds To Stop Using Abusive Language · · Score: 2

    Don't whine if people do and development slows.

    You might want some people from Intel in on the kernel development. They have some of the best in the business at optimization. If you want to tell them all off that's your prerogative, but don't then cry if they say "Ok, we will leave."

  24. Re:It has a deep tradition it seems on The Little Bomb-Detecting Device That Couldn't · · Score: 3, Interesting

    In plenty of places, you can put a well wherever you like and it'll work. I'm quite sure that's the case on my grandfather's property. There's a lot of homes there with their own wells, there's presumably a big aquifer or the like underneath (I've never bothered to check to see what). So the reason dowsing worked was that any spot was fine.

    He did it just because he believed it was how it was done. Of course each time it 'worked' and as such he kept doing it.

    What I found interesting about the thing was that it was a 'common man' kind of thing for him and others. He wasn't a huckster that went around dowsing for people, he did it himself, for his wells, and just using whatever Y shaped stick he'd come across. To him, it wasn't mystical, it was just a process one did like so much else in farming and ranching and it was something anyone could, and would, do.

    I think that might have something to do with why dowsers keep believing in it. There seems to be a real strong cultural thing that dowsing just works, and so they believe that must be the case.

  25. In the case of my grandpa on The Little Bomb-Detecting Device That Couldn't · · Score: 1

    I imagine anywhere on his property would have worked. In total he ended up putting in 4 wells in different locations, spread around, for different purposes. Seems like a safe bet there was an aquifer or the like below all of it. I'm sure he could have chosen any spot, and he already knew the area he wanted it in. He just dowsed for the specific spot.