Slashdot Mirror


User: egcagrac0

egcagrac0's activity in the archive.

Stories
0
Comments
834
First seen
Last seen
Profile
(view on slashdot.org)

Comments · 834

  1. Re:Unbelievable on Utilities Fight Back Against Solar Energy · · Score: 1

    "Backfeed" as you call it, requires precision phase alignment or kablooey.

    ...Which every grid tie inverter on the market already does.

  2. Re:Unbelievable on Utilities Fight Back Against Solar Energy · · Score: 1

    So you think you can run an entire factory off an extension cord?

    Where did I suggest that inadequately sized conductors would be safe?

    The reality is that there will always be demand on the grid; if they're burning diesel to make electricity to satisfy that demand, they can burn less with distributed PV backfeeding.

  3. Unbelievable on Utilities Fight Back Against Solar Energy · · Score: 1, Interesting

    If you can't connect backfeed to the grid, you can't connect new load to the grid, either.

    It shouldn't matter which way the watts are flowing for a particular customer.

  4. Re:How's that supposed to help? on Tesla Updates Model S Software As a Precaution Against Unsafe Charging · · Score: 1

    I'm surprised that people buying an electric car aren't getting a new circuit installed for charging.

  5. Explains it all on RSA Flatly Denies That It Weakened Crypto For NSA Money · · Score: 1

    we have never entered into any contract or engaged in any project with the intention of weakening RSA's products, or introducing potential 'backdoors' into our products for anyone's use.

    Not corrupt, just incompetent.

  6. Re:Reminds me of Armatron on One-Armed UBR-1 Points the Way To Cheaper Robots · · Score: 1

    I don't understand that... mobile robots do seem to be allowed by OSHA.

    Further, presence-sensing systems as a means of guarding do seem to be acceptable, provided they have adequate reliability and are effective... so if the gizmo can always determine someone got too close, and it can always stop safely (or at least slow down to the recommended slow speed)... that should be OK.

    On the other hand, I have some concerns about the usefulness of a robot that can't lift a six-pack.

    A tool should be both useful and safe. This seems a little too safe, like the plastic saw you might give a 3 year old to play with.

  7. Reminds me of Armatron on One-Armed UBR-1 Points the Way To Cheaper Robots · · Score: 1

    Seems cool, but it can't lift very much (about 3 pounds).

  8. Re:Numerical computation is pervasive on 'Approximate Computing' Saves Energy · · Score: 1

    how much would it be off by 1 million transactions?

    That depends entirely on the dataset.

    If all the transactions are dealing in units no smaller than $.01, you should see no error truncating to the nearest $.0001, no matter the number of transactions.

    If you're worried, just create an account called "Salami" and post the rounding errors there.

  9. Re:Analog on 'Approximate Computing' Saves Energy · · Score: 1

    Absolute accuracy may not be possible, but plenty-good-enough accuracy is achievable for a lot of different types of problems.

    The same can be said of digital computers.

  10. Re:Numerical computation is pervasive on 'Approximate Computing' Saves Energy · · Score: 1

    we will see this used on things where it shouldn't be, such as financial transactions.

    I, for one, am OK with 1/10000th of a dollar accuracy.

    Heck, within 1/640th of a cent ought to be good enough for anybody.

  11. Re:i say: put your money where your mouth is. on Google, Apple, Facebook, Twitter, Microsoft, Yahoo Form Alliance Against NSA · · Score: 1

    It's all in how the message is delivered.

    The NSA is gathering information from the internet, ostensibly to fight terrorism.

    The government is spying on everything you do online. Would you like to know more?

    One of these presentations may get a few more of the bread-and-circuses crowd interested.

  12. Re:Bitcoiners on reddit are completely delusional on Bitcoin Exchange Value Halves After Chinese Ban · · Score: 1

    Most people don't make purchases by mailing a bundle of cash to a distant stranger. If they did, charge back mechanisms would be equally important for cash transactions.

  13. Re:Crypto COMMODITY on Bitcoin Exchange Value Halves After Chinese Ban · · Score: 1
  14. Re:Time to switch gears on Facebook Tracks the Status Updates and Messages You Don't Write Too · · Score: 2

    Expect to see a plugin to helpfully upload your data to the cloud next Thursday.

  15. Re:Pulsars need to eat, too on Pulsar Gets the Munchies, Snacks On an Asteroid · · Score: 1

    As I read it, AC is saying that trigonometry works better with lengths than with angles.

    I say bullshit, the math is fine, the problem is comparing the 29 cent plastic protractor with a micrometer.

    I also don't object to us using micrometers instead of protractors, since we know how to build a micrometer pretty well. I do object to indicting the math and saying "measuring angles doesn't work as well!" when the problem isn't the angle, but our ability to measure it.

    Let's upgrade that protractor to a sextant and see if the math works better.

  16. Re:what if the water leaks or evaporates? on NuScale Power Awarded $226 Million To Deploy Small Nuclear Reactor Design · · Score: 2

    These have a smaller core. In the event of a catastrophic failure, there is a much smaller meltdown.

    As I understand it, the whole reactor lives in a giant pool of water.

    Also, this reactor appears to be able to self-cool without external power. (Core cooling is by convection, not pumped coolant.)

  17. Re:Cloaking Device on 'Darkness Ray' Beams Invisibility From a Distance · · Score: 1

    Just hide smaller stuff.

    The invisibility ray, combined with a shrink ray...

  18. Re:Pulsars need to eat, too on Pulsar Gets the Munchies, Snacks On an Asteroid · · Score: 1

    Time measurement allows much more precise triangulation than angular measurement.

    No, our instrumentation for angular measurement is less precise than our instrumentation for time measurement.

    Either method should allow for precise triangulation, within the limits of the instrumentation.

  19. Re:Stock Certificates on Bitcoin Token Maker Suspends Operation After Hearing From Federal Gov't · · Score: 1

    More aptly, how is this different than printing out a paper wallet for a friend?

  20. Re:Go ALL THE WAY OUT! on ITU Standardizes 1Gbps Over Copper, But Services Won't Come Until 2015 · · Score: 1

    Rural electrification doesn't require a separate circuit for each customer. Everyone wants pretty much the same 60 Hz signal as everyone else.

    If you try running all the houses in a neighborhood in parallel with communications circuits, you end up with party lines - not inherently bad with TCP/IP, but you may have difficulty all watching video at the same time.

  21. Re:Go ALL THE WAY OUT! on ITU Standardizes 1Gbps Over Copper, But Services Won't Come Until 2015 · · Score: 1

    The US is one of the least dense countries in the world -- especially at its population.

    Talking to the population around here, most of them seem pretty dense. Where they live is pretty spread out, however.

  22. Re:Go ALL THE WAY OUT! on ITU Standardizes 1Gbps Over Copper, But Services Won't Come Until 2015 · · Score: 1

    Last report I saw on Obamas broadband initiative was that it cost $80 BILLION dollars to increase the number of people that could get broadband from 96% to 98%.

    It would cost less to pay people $500/year for the next few decades to live without broadband. (Some people will gladly take this tradeoff.)

    We can learn a lot from dystopian science fiction.

  23. Re:Edge Use Cases on Six Electric Cars Can Power an Office Building · · Score: 1

    Not sure if the utilities will allow people to connect their vehicle chargers to an off-peak meter (like is used in some places for electric water heaters).

    Charging the car at night and using the stored energy to power some of the load during the day (when the car isn't away) might be viable.

  24. Re:Why? on Google's Plan To Kill the Corporate Network · · Score: 1

    Dogs eat cat poop, too.

    I've yet to see a cat eat cat or dog poop.

  25. Re:Stop using Photomosaic as a generic term on Gift Idea: Custom Photomosaics With AndreaMosaic and PhotoGrabber · · Score: 2