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User: a1cypher

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  1. Re:Roll on! on The Human Body May Not Be Cut Out For Space · · Score: 1

    Don't forget the control group that lives on earth and is fed/exercised on the same schedule.

  2. Re:Lesson from this story...don't be a glass hole! on AMC Theaters Allegedly Calls FBI to Interrogate a Google Glass Wearer · · Score: 1

    If there was no crime then the movie theatre should be heavily fined for abusing the time and resources of the FBI. Also the man should receive an apology and compensation for his wasted time.

    Really it should be the police who are called for this matter, and if they determine that it was likely an actual crime being committed then they could call the FBI. Hell, I'm sure the local mall-cop or security guard should have been enough to resolve this matter.

  3. Re:Hear that, Microsoft? on PC Shipments In 2013 See the Worst Yearly Decline In History · · Score: 1

    Yup, looks like you're right. But there is a plethora of apps that mimic the windows 7 start menu.

    It's a shame that they broke the start menu in windows 8, but there are still many other improvements under the hood over windows 7 that shouldn't be thrown out because of one bad feature.

  4. Re:Obligatory XKCD on 4K Is For Programmers · · Score: 1

    That's also assuming that those extra seconds dont end up being spent on Slashdot or similar distractions.

  5. Re:Hear that, Microsoft? on PC Shipments In 2013 See the Worst Yearly Decline In History · · Score: 1

    Didnt they do that already with 8.1? You can now boot directly to the desktop and they even put back the start menu.
    http://howto.cnet.com/8301-11310_39-57591261-285/how-to-boot-directly-to-the-desktop-in-windows-8.1/

    I'm likely getting a new machine for work and am very much considering Windows 8.1 with the direct to desktop mod.

  6. Re:Meaningless on Canada Quietly Offering Sanctuary To Data From the US · · Score: 1

    Also, as mentioned in the original post, companies like Cisco are considering moving their R&D to Canada where they will not be forced to include backdoors for the NSA. As someone whose main business is networking gear, I can see this as being a big selling feature to Cisco.

    Whether the actual data that is routed through the US is safe or not doesnt matter as much as being able to assure your customers that your devices dont contain NSA backdoors.

  7. Re:Interesting economics on First Survey of Commercially Viable Asteroids Estimates Only 10 Are Worth Mining · · Score: 1

    It's interesting enough that I might read it without a plot. I think if you just were to start writing about the possible future world stuff and the progression from now to then, you would have a plot. Think about the likely conflicts that might arise, the corporations that would take advantage of new technologies, and the likely response of governments and society to these changes and it could write itself.

    I find this far more interesting Sci-fi than some of the crap you see on TV now a days with aliens, magic hammers, time travel, etc... For once I would appreciate a future sci-fi based on our own likely progression assuming we dont meet crazy high tech aliens and have to pave the way for everything ourselves. No easy breaks or glossing over the details that take us from where we are now to giant multi-system race. Even just the politics of multiple human colonies amongst the stars would be amazing to think about.

  8. Re:get real, people on Musk Lashes Back Over Tesla Fire Controversy · · Score: 1

    Yeah, I'd be more concerned about the "over the air" updates.

    If he wanted you dead, all he has to do is push an update that tells the car to not brake or tell the suspension to slam you into the ground.. or to overdraw the batteries causing a fire.. or take over the steering and slam you into a wall. Or discharge all the airbags while you're traveling highway speeds... you get the idea.

    I wonder what kind of security that communication system has.

  9. Re:water bottles like you'd take to the gym? on Water Discovery Is Good News For Mars Colonists · · Score: 1

    Dumb it down for me.. how many library of congresses is 2 pints?

  10. Re:multithreaded sorts on Qualcomm Says Eight-Core Processors Are Dumb · · Score: 2

    I never meant to imply that sorting a list is a hard problem to parallelize. I was just demonstrating that some problems will introduce overhead for interprocess/inter-thread communication.

    A better example might be simulating heat transfer inside of an oven with some stuff inside. You can divide up the volume of space into N equal chunks, but at each iteration the processes must communicate their boundaries to neighbouring chunks. The smaller you make the chunks (ie the more processes) then the more of this boundary condition communications that are necessary and it eats into your speed up.

  11. Re:Similar quote from Seymour Cray on Qualcomm Says Eight-Core Processors Are Dumb · · Score: 1

    Hrm... how many oxen could you buy for the price of 1024 chickens?

  12. Re:qualcomm is right on Qualcomm Says Eight-Core Processors Are Dumb · · Score: 1

    I'd love to redline a ferrari to get the groceries, but where do I put the child seat?

  13. Re:qualcomm is right on Qualcomm Says Eight-Core Processors Are Dumb · · Score: 5, Interesting

    Parallelization does introduce it's own overhead. Some problems can be made to run parallel very easily without much effort. For example, lets say you have an unordered database of names and you want to count how many letter "A"s are in each name. You can very easily divide the database into eight equal parts and send it off to eight cores for processing and they will happily churn away until you have your answer with almost no additional overhead.

    However, different problems cant be as easily parallelized. For example, lets say you take the same database of names and you want to sort it alphabetically. You can send each chunk of the database off to be sorted on each core, but now you have 8 pieces of the database that are all sorted and need to be merged back into the original list. This extra work of merging and communicating becomes the overhead.

    This is a very simple example, but for many problems the speed gained by parallelization is reduced for every new thread. So you might get an almost 50% speedup by adding a second core, but the third core will give you maybe only 20% speedup, and the fourth 15%, etc...

    And as mentioned by others, parallelization is almost always done to improve performance, not efficiency. It would be more power efficient for the one core to do the job if you are measuring efficiency by something like cycles per watt. This doesnt make much sense in a mobile device whose paramount concern is to run a long time on a battery.

  14. Pays for itself, but not with shower curtain ring on Study Finds 3D Printers Pay For Themselves In Under a Year · · Score: 1

    I've just got my 3D printer working quite well. I bought a kit second hand from someone who didn't have time to finish it and after building my own electronics and writing my own firmware for it, I'm probably in to it about $300.

    I never really had the intention of printing enough stuff to pay for the printer, but it may still do that. One of the things I'm currently working on printing (printing out a piece a night) is a solder fume extractor. This is a relatively simple tool that sucks solder fumes through a carbon filter and normally costs ~$150 - $300. The one I'm printing should be just as good and will cost maybe $20 including plastic, fan, and filters.

    Also, if you want to try and pay off your printer, you could print new printer kits and sell them online or to friends. But, it is ONLY going to "pay" for itself if you don't value your own time, since you will spend a lot of time nitpicking, calibrating, babysitting. Although babysitting isnt as big of a deal, I just try and check on it every half hour to an hour. Many people will even just let stuff print out over night, but I'm not quite at that level of trust just yet. It's not that I care about wasting plastic, but that I don't want to die in a fire while I sleep.

    The real advantage to a 3D printer is that you can design and build your own stuff very quickly. If I want to design and build a small robot, I can draw up some wheels, a frame, some servo mounts, etc.. and have a very nice professional looking toy robot in a couple of days. Or if I want to make a simple enclosure for an electronics project I can import a 3D representation of the circuit board, draw a box around it, cut out holes for switches, connectors, LEDs, and print.

  15. Re:Oil and nuclear are separate markets on Japan's Radiation Disaster Toll: None Dead, None Sick · · Score: 1

    It is also technically possible to generate fuels from captured atmospheric carbon and water. Although this takes vast amounts of energy that is currently unavailable and uneconomical. Although, it will likely remain uneconomical so long as we can continue to pump energy out of the ground.

  16. Re:Robots on Ask Slashdot: What Makes a Great Hackathon? · · Score: 2

    As someone who enjoys tinkering with the hardware, it would be even cooler to have one team develop the robot hardware and the other develop the software. The software should be designed such that it can easily be ported to a new robot platform using the same inputs/outputs.

  17. Re:Truly Absurd on DoD Descends On DEFCAD · · Score: 1

    They are likely doing both. The full body scanners and X-Ray machines are probably meant to detect these types of non-metal weapons.
    It does make sense though that they ask legitimate manufacturers to include a metal slug since it doesn't harm legal users and could increase the detection of illegal users.

     

  18. Re:Truly Absurd on DoD Descends On DEFCAD · · Score: 2

    Well, I could see it being a problem simply because they are plastic. Think of all of the places where you have to pass through metal detectors for security. This "gun" will not set off a detector (unless the maker was kind enough to include the chunk of metal designed to set off detectors).

    Desperate people may not care that the gun isn't very safe or usable; all it takes is one bullet to assassinate someone, one bullet to kill somebody in a prison, one bullet to hijack a plane (maybe not quite doable on a plane, but maybe with more than one person with these plastic weaposn?). It also would make an excellent untraceable murder weapon. Build gun which just has to fire one round, do your business, and then toss the gun into a fire where it can be completely destroyed.

  19. Re:I won't be buying one... on New Smart Gun Company Hopes To Begin Production This Summer · · Score: 1

    Yup.. the more I think about it, the more gimicky and stupid this "invention" seems. They just want people to buy it so that they can say to friends they have a high tech sci-fi gun.

    Better yet, why not make it so that there is an iris scanner in the barrel... just point the gun at your eye and it will disable the safety.

  20. Re:I won't be buying one... on New Smart Gun Company Hopes To Begin Production This Summer · · Score: 1

    I was working under the assumption that once "unlocked", the gun would continue to fire until "locked" again.
    Not sure if this is the case, but I would imagine while hunting you would unlock it when you first enter the woods, and lock again when you're leaving for home.

  21. Re:I won't be buying one... on New Smart Gun Company Hopes To Begin Production This Summer · · Score: 4, Insightful

    Presumably because people buy guns for security, not just for entertainment at a range.

    If you're about to be attacked/killed by a burglar and you reach for your gun and pull the trigger you want to make sure as hell that the gun works. If it doesn't work, for whatever reason, you're in a worse position than you started because now the burglar has reason to incapacitate/kill you.

    I cant see this being useful for a security gun. If you reach for your gun you'll have to very consciously "unlock" it with your fingerprint. If your nervous, it's dark, or whatever, it might not recognize you. Even in the best case scenario, this unlocking will take time. Couple that with requiring a battery, and it could be trouble.

    However, if this is just being used to secure less crucial weapons such as hunting rifles, or the kind that you might only ever use at a range, I could see the fingerprint being scanner being useful. It would help to prevent children or thieves from using your weapon and when you're hunting or at the range, you presumably have the time to check the batteries and swipe your finger a second time if it fails to register you the first go.

  22. Re:Research in to warmth resistant coral on Coral-Repairing Robots Take a Step Closer To Reality · · Score: 1

    I suppose it is opinion. It just doesn't make any sense to me that our purpose is to have no impact on the universe. Not only my quoted above statement an opinion, it is also ambiguous as there is no great consensus on what it means to "improve" the world and universe. Just because the basis of my argument is an ambiguous opinion doesn't mean that my argument should carry no weight.

    In my opinion, an engineered reef is better than a dead one. So it makes sense to try provided that we can have some reasonable assurance that any human engineered reef isnt going take over the entire ocean or squeeze out native reefs (or other species for that matter). This is not a trivial problem, but I don't think its worth abandoning all-together simply because anything we make is not "natural".

  23. Re:Research in to warmth resistant coral on Coral-Repairing Robots Take a Step Closer To Reality · · Score: 1

    Also the definition of "natural" seems up in the air. Humans naturally evolved on the earth, and have naturally adapted the use of tools, and farming, and using the natural resources available to us. What makes us any less natural than any other animal? Also the idea that humans are no longer subject to natural selection seems a bit silly to me. There are plenty of things that influence a humans ability to reproduce. Children born with crippling disease often dont go on to reproduce, therefore evolution of humanity selects against crippling disease.

    The goal of human existence as a whole should not be to leave no trace, but to improve the world and universe. Granted, this does not mean that we should rape and pillage mother nature for her resources, but the goal should not be to put the entire planet on "pause", preventing any further change or adaptation, but to try and live harmoniously with whats here. If that means attempting to repair corral reefs, or even genetic engineering change in those reefs, then whose to say that is wrong? The only risk is that if we do something like engineer a better algae, we risk missing subtle properties of the current algae for behaving as it does that could have even worse effects somewhere else in the ecosystem.

    Also, if reef A dies due to whatever factor, does another area in the ocean become more compatible for supporting a reef? Perhaps the corral migrate on their own over long periods of time. Maybe the solution isnt to attempt and fix existing reefs, but to spawn entirely new ones in water that was formerly too cold to support a reef.
     

  24. Re:Topsoil-based fuels are wrongheaded in every wa on 'Energy Beet' Power Is Coming To America · · Score: 1

    Also, farming sugar beets and corn takes a lot of fossil fuels to run the tractors, ship the beets, process the beets, etc... I'm sure its still a net gain or they wouldn't be doing it, but all of that will still shave their margins a bit.

    The only advantage to burning crops for energy (essentially what they are doing) is that it can be carbon neutral if only ethanol based fossil fuels are used in its production since any carbon released when burning the ethanol is carbon that was captured by the plants that grew to produce it.

    However, I'm sure they aren't using just ethanol for the production, and also they are using fertilizer that requires lots of fossil fuels. The real shame though is that it is a waste of farmland that could have otherwise been growing useful food crops, which we need as much of as we can get, and will only need more in the foreseeable future.

  25. Re:Clealry on Blizzard Set To Debut 'Something New' At PAX East · · Score: 1, Interesting

    I would LOVE a new Warcraft RTS.

    But not like warcraft 3 where they put too much emphasis on "legends" which were single irreplacable units with super powers that the game revolves around. Too much like a pre-cursor to WoW.