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User: queazocotal

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  1. Re:Nice non-sequiteur at the end on Where Are the Raspberry Pi Zeros? (i-programmer.info) · · Score: 1

    No, not at all. Trading time for price is just fine.
    There would be no issue if the Pi zero was an open platform. It represents a local minima - much like if you can only purchase McDonalds because all the other vendors have died.

  2. Re:Nice non-sequiteur at the end on Where Are the Raspberry Pi Zeros? (i-programmer.info) · · Score: 1

    Or to be clearer - the people that can't purchase competitors devices which are more available and better documented and more open.

  3. Re:Nice non-sequiteur at the end on Where Are the Raspberry Pi Zeros? (i-programmer.info) · · Score: 4, Insightful

    The victims are the competitors that get damaged by the perception that $5 is a price that people should be paying. This is extremely hard for nearly all vendors to manage.
    This means less diversity in the market, especially if people buy a couple of Pis now, in the anticipation of a Zero being available real soon now.

  4. Fbreader. on Amazon's Thin Helvetica Syndrome: Font Anorexia vs. Kindle Readability (teleread.com) · · Score: 1, Informative

    Open source, and works just great for me.

  5. Re:huge savings on ink on Amazon's Thin Helvetica Syndrome: Font Anorexia vs. Kindle Readability (teleread.com) · · Score: 1

    The patents haven't currently quite run out.

  6. Re:They do, but it's stupid. on Porsche Builds Photovoltaic Pylon, Offsetting Luddite Position On Self-Drive (thestack.com) · · Score: 1

    It's not 3.5kW.
    It's during the day more like 9 average.
    In summer, lots more than that.
    If the factory shuts down during the night, then in summer, it is considerably better than 3.5kW. (but plastering those same solar panels onto the roof would work considerably better still)

  7. They do, but it's stupid. on Porsche Builds Photovoltaic Pylon, Offsetting Luddite Position On Self-Drive (thestack.com) · · Score: 2

    http://re.jrc.ec.europa.eu/pvg...
    Selecting Berlin, for a 2-axis tracking mount, a 1kW panel outputs on average over the year 1300kWh, or 15% or so of nominal expected power.
    This is questionably above 900kWh (11%) for a non-pointed much simpler static mount.
    However.
    7776 'solar cells' - these are not solar panels.
    The pictured thing looks very much like a simple fixed vertical panel.
    This would come out to 700kWh or so/kWp of panel.

    If we assume they talk of germany - 'up to 30000kWh/year' would mean you'd need 42kW of solar panel.
    This would be around 230m^2.
    Checking https://vimeo.com/154154924 - it gives dimensions of 25*5.5m. This is 137m^2.
    This sort of vertically oriented panel is relatively insensitive to position on the earth - as it gets worse as you go towards the equator.

    Ew. I think I see what they're doing.
    If you cover a vertical panel of 25*5m in solar panels, and point is south/north, then you get 17000 out of the south-pointing, and 4290 out of the south.
    This is (in Berlin) 21300.
    If however, we put this in the sunniest part of Spain, we get about 28000, which could hit 30000 with optimistic assumptions.

    It's a truly terrible design though from most aspects.
    If we take 50kWp of solar panels in this design, and simply lay them out flat pointed southish and inclined, we get not 21000 in Berlin, but 48000.

    Putting it in the sunniest part of spain gets you 78000.

    The numbers for this also work for '7776' solar cells. Conventional solar cells used in panels produce about 6W for the cream of the crop.

  8. Re:should be interesting on Julian Assange May Surrender To British Police On Friday (twitter.com) · · Score: 2

    Journalists unfortunately, need to get paid. If, when you are making a feature of some form, and waiting for 20 responses to FOIA - if someone comes along and writes an article on the first 15, you're pretty much screwed, and don't get paid (directly, or your employer) this means less investigative journalism. Journalism is pretty much dying - especially investigative journalism like this.

  9. Re:Mdsolar strikes again with unrealistic FUD on US Could Lower Carbon Emissions 78% With New National Transmission Network (smithsonianmag.com) · · Score: 1

    Err - no.
    The reason the overcapacity is needed 'now' is to permit development of load-shifting from coast-coast.
    This could be in the next several years, as it would become viable and profitable to source power from the opposite coast.
    Without the network overcapacity to support this, any investment dies as it would first need to build out the network - which individual schemes can't hope to do.

  10. Re:Mdsolar strikes again with unrealistic FUD on US Could Lower Carbon Emissions 78% With New National Transmission Network (smithsonianmag.com) · · Score: 2

    The problem with arguing 'the market will sort it out' is that it doesn't allow for things like this.
    If you are installing a HVDC element into the network, you will never size it to be significantly larger than now required.
    Advanced planning to provide for future needs in some manner is pretty much required, or what happens is what's lead to the increasing issues with the grid - smart people reducing the margins to bare bone.
    So, where building 3* the capacity for 1.3* the price may be possible initially, that's not going to happen if there is not an absolute requirement to do so, or funding.

  11. Re:Not that I like Trump, but... on Trump Says He'd Make Apple Build Computers In the US (businessinsider.com) · · Score: 1

    Which won't do what you hope.
    You're not going to get the same number of jobs you might in china, simply because a manufacturer setting up in the US will want to automate it as much as possible.

  12. Re:Bad research on UK Cuts Men's Recommended Weekly Alcohol To 14 Units (theguardian.com) · · Score: 5, Informative

    http://www.ncbi.nlm.nih.gov/pu...
    RESULTS:

    Male sex, being physically active, and good health status were independently associated with light to moderate drinking (P .001). An apparent protective effect of light to moderate drinking on mortality was evident in the unadjusted analysis and after adjusting for age, sex, risk factors, and cardiovascular events (adjusted hazard ratio (aHR) = 0.77, 95% confidence interval (CI) = 0.68-0.88, P .001), but after also adjusting for PASE and VAS, the relationship was no longer significant (aHR = 0.92, 95% CI = 0.80-1.05, P = .19). Follow-up physical activity was associated with baseline alcohol consumption; baseline physical activity did not predict alcohol consumption during follow-up.
    CONCLUSION:

    After accounting for health status and physical activity, light to moderate alcohol drinking had no direct protective effect on mortality.

  13. Re:Bad research on UK Cuts Men's Recommended Weekly Alcohol To 14 Units (theguardian.com) · · Score: 5, Informative

    http://www.ncbi.nlm.nih.gov/pu...
    Moderate Alcohol Consumption Is Not Associated with Reduced All-cause Mortality.
    "During 206,966 person-years of follow up, 7902 individuals died. No level of regular alcohol consumption was associated with reduced all-cause mortality. The hazard ratio and 95% confidence interval in fully adjusted analyses was 1.02 (0.94-1.11) for 7 drinks/week, 1.14 (1.02-1.28) for 7 to 14 drinks/week, 1.13 (0.96-1.35) for 14 to 21 drinks/week, and 1.45 (1.16-1.81) for 21 drinks/week.
    CONCLUSIONS:

    Moderate alcohol consumption is not associated with reduced all-cause mortality in older adults. The previously observed association may have been due to residual confounding."

  14. Re:You shouldn't use one hash. on Deprecation of MD5 and SHA1 -- Just in Time? (threatpost.com) · · Score: 1

    I have not fully read the above paper, but the initial summary seemed to be investigating the results of 'compressing' the concatenated results of the two hashes of the data, without investigating the properties of hashing the result of one algorithm hashing the others hash of the data.

  15. You shouldn't use one hash. on Deprecation of MD5 and SHA1 -- Just in Time? (threatpost.com) · · Score: 1, Interesting

    hashmd5(data) is weak.
    hashsha1(data) is weak.
    hashsha1(hashmd5(data)) is strong, and unlikely to be attacked successfully unless your key data is too short.

  16. Err - no. on Open-Source Firmware For Your Toy Drone · · Score: 4, Informative

    The above class of toy drone weighs 20 grams or so.
    In order to be required to register under the proposed new regulations, the limit is 250g.

    Mostly these are >>$100, not $20.

  17. Of course, in 'At Will' states... on Feds: Your Employer Can't Stop You From Recording Conversations At Work (huffingtonpost.com) · · Score: 1

    There is nothing preventing the employer from not continuing to employ the person.

  18. Re:Gotta love our overweening government! on Drone Ban Extends 30 Miles Around DC, Per FAA (wusa9.com) · · Score: 1

    'To suit the whims of politicians, with no oversight or process'. FTFY

  19. Re:I suppose this is how we'll transition on CA DMV Releases Draft Requirements For Autonomous Vehicles On Public Streets · · Score: 1

    https://www.youtube.com/watch?... Quadcopter holding an inverted pendulumn.

    https://www.youtube.com/watch?... - 2 axis inverted triple penduumn. (the joints are free to move)

    The backing is the utterly trivial part.
    The hard part is knowing what traffic laws to break, and when, and how to deal with others breaking laws and doing unexpected things.

  20. Re:So what? on CA DMV Releases Draft Requirements For Autonomous Vehicles On Public Streets · · Score: 3, Insightful

    Me, personally. Due to medical problems, I have reaction times that mean I cannot safely drive.
    Some sort of vehicle would be very handy.

  21. Re:I suppose this is how we'll transition on CA DMV Releases Draft Requirements For Autonomous Vehicles On Public Streets · · Score: 1

    And now subtract off the cost of a driver for at least most work, and that buys a whole lot of new hardware. On pure backing, this is a much, much easier problem for computers than humans. google 'double inverted pendulumn'

  22. If you are a chinese hacker. on Hackers Get Lazy, Build Trojan On Top of Android Rooting Utility (softpedia.com) · · Score: 2

    If you hack systems in china, it is much easier to prosecute. (I would assume)

  23. Re:Alternate Headlines on Why Legal Experts Are Up In Arms Over a Trade-Secrets Bill Microsoft Loves (cio.com) · · Score: 4, Insightful

    If this was all that was - it's not.
    Ex parte seizure is really problematic, for reasons outlined in the responses in the original article.

    In short.
    Microsoft says, without complete proof that an ex employee took sourcecode to your company, and now on the word of microsoft alone, without any rights to debate this - all they have to do is to convince a non-technical judge - they can basically shut down your entire company for a period.
    There is - in principle - a defence if they do this maliciously, but that's going to be _extraordinarily_ hard to prove absent someone actually committing to paper 'let's fake a complaint and screw this guy'.
    The process takes around a week.
    In any realistic scenario, this 'express' process is uselessly faster than a month one for other legal action, simply as by that time the code has already been moved.

  24. 'not the only possibility' on Parts of Falcon 9 Launcher Wash Ashore In England (bbc.co.uk) · · Score: 2

    = certainly not correct.
    It's CRS4 - the fourth launch to ISS.

    http://forum.nasaspaceflight.c...

    The logo wasn't painted quite the same each time, and is very clear from the part.

  25. This is the top of stage 1 of falcon 9. on Parts of the SpaceX Falcon-9 Rocket Found Off the Isles of Scilly (bbc.com) · · Score: 2

    http://www.spacex.com/sites/al...
    I don't know if it's clear what launch it's from. Several have gone into the ocean, both from attempts at landing on the barge, and ditching in the ocean.
    This is the top of the first stage. There may be an empty helium tank inside this acting as flotation. The helium tanks are really robust, and have separately survived even really fast impacts.
    http://forum.nasaspaceflight.c...